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Terms of Use
All iPhone apps by Nattapon Kittisuphat · Last updated: October 27, 2026
Plain terms for using our iPhone apps. By downloading or using an app you agree to them. They sit alongside Apple’s standard Licensed Application End User License Agreement; where the two differ for your use of an app, these terms add to it.
The apps are published on the Apple App Store by Nattapon Kittisuphat (“we”, “us”). What each app does with your data is explained in the privacy policy.
Jump to: General terms · Notes by kind of app · Countdown Day · Fall Asleep · Sleep Diary · All apps · Contact
General terms (all apps)
These terms of use apply to all apps published by Nattapon Kittisuphat ("Nattapon Kittisuphat", "we", "us") on the Apple App Store. By downloading or using any of our apps, you agree to these terms.
1. Acceptance of Terms
By accessing or using our apps, you agree to be bound by these Terms of Use. If you do not agree, do not use the app.
2. Use of the App
Our apps are provided for personal, non-commercial use. You agree to:
- Use the app only for its intended purpose.
- Not reverse engineer, modify, or distribute the app or its content.
- Not use the app for any unlawful purpose.
- Not attempt to interfere with the app's functionality or security.
3. Subscriptions & In-App Purchases
Some of our apps offer auto-renewable subscriptions and one-time purchases:
- Payment is charged to your Apple ID account at confirmation of purchase.
- Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period.
- You can manage and cancel subscriptions in your Apple ID account settings (Settings → Apple ID → Subscriptions).
- Any unused portion of a free trial period will be forfeited when you purchase a subscription.
- Prices may vary by region and are subject to change.
4. Intellectual Property
All content in our apps — including designs, icons, illustrations, text, and code — is owned by Nattapon Kittisuphat and protected by copyright laws. You may not reproduce or distribute any part of our apps without written permission.
5. Disclaimer
Our apps are provided "as is" without warranties of any kind. We do not guarantee that the app will be error-free or uninterrupted. For fitness and health-related apps, the content is for informational purposes only and should not replace professional medical advice.
For credential-storing apps (One Time Password): you are responsible for safeguarding your master device, App Lock PIN, backup passphrase, and iCloud account. Loss of these may make stored 2FA codes or passwords unrecoverable. Always keep your own backup of critical accounts (such as printed recovery codes from each service).
6. Limitation of Liability
To the maximum extent permitted by law, Nattapon Kittisuphat shall not be liable for any indirect, incidental, or consequential damages arising from your use of our apps.
7. Changes to These Terms
We may update these terms from time to time. Changes will be posted on this page with an updated date. Continued use of the app after changes constitutes acceptance of the new terms.
8. Contact Us
If you have questions about these terms, contact us at:
Email: [email protected]
Notes by kind of app
Health, fitness and wellness apps
HomeFit - 7 Min Workout Plan · Pulse: Heart Rate Monitor BPM · BMI Formula - My Wellness · Calorie AI & Weight Loss Diet · 7-Minute Workout and Calm Mind · Stretch Day: Bend & Stretching · Tracker: Quit Smoking & Vaping · Diet Tracker Life Fasting 16:8
These apps give general information and estimates. They are not medical devices and do not diagnose, treat or prevent any condition. Tracking a quit attempt or a fast is a personal tool, not treatment. Pulse reads your pulse through the camera and gives an estimate; calorie and nutrition values from photos or databases are approximate. Talk to a doctor before changing your exercise, diet or medication, and stop if something feels wrong.
Sleep apps
Fall Asleep: Rain Sleep Sounds · Sleep Diary: Morning Log
Sleep sounds and a sleep diary are personal tools, not treatment. If poor sleep lasts for weeks or affects your day, talk to a clinician.
Reference and calculation apps
Aviation Maintenance Exam Prep · Tap Drill Chart & CNC Speeds · HazMat Guide - NIOSH ERG 2024 · Texas Offense Card: Penal Code · Nav Rules of the Road: COLREGS · Crosswind E6B Flight Computer · FERS Retirement Date Planner · Pool Water Log & Calculator
These apps present reference material and calculations to help you work faster. They are not a substitute for the official publication, chart, statute, manual or professional advice that applies to your situation. Check the official source before you rely on a result for anything safety-critical, legal, financial or regulated.
Inkweek: DBT Diary Card
Inkweek is a diary tool, not therapy and not a crisis service. If you are in crisis or at risk of harming yourself, contact local emergency services or a helpline.
One Time Password: 2FA Vault
You are responsible for safeguarding your device, App Lock PIN, backup passphrase and iCloud account. Losing them may make stored 2FA codes or passwords unrecoverable; we cannot recover them for you.
Extra terms for apps with their own purchases
Where an app has its own subscription or purchase terms, they are below and apply in addition to the general terms.
Where Did I Park - Walk Back
Where Did I Park - Walk Back (Car Finder). Car Finder Plus is available as Lifetime, a one-time purchase, or Monthly, an auto-renewable subscription. Monthly renews automatically each month unless you cancel at least 24 hours before the end of the current period. Cancelling stops the next renewal; you keep Plus until the end of the period you paid for. Lifetime does not cancel a Monthly plan, so cancel it yourself in your Apple Account settings. When Plus ends, what you saved stays viewable. Car Skins are one-time purchases. Refunds are handled by Apple under its policies: reportaproblem.apple.com.
Countdown Day · Widget & Timer
Agreement
The Countdown Day app is published on the Apple App Store by Nattapon Kittisuphat ("we", "us"). Apple's standard Licensed Application End User License Agreement also applies; these terms add to it for your use of the app. Our privacy policy explains what data the app uses.
What the app is
A countdown and day-counter app with widgets, reminders and share cards. Day counts are calculated on your device from the dates you enter and your device's clock and time zone. The app is a personal planning aid. It is not a source of legal, tax, immigration or other official deadlines, and it should not be your only reminder for anything important; always check the date with whoever sets it.
Using the app
- Use it for personal, non-commercial purposes.
- Do not copy, modify, reverse engineer or redistribute the app, its artwork or its code, or try to get around purchases or ads.
- Do not use the app to break the law or anyone else's rights.
Your content
The countdowns, notes and photos you add are yours. They stay on your device and in your own iCloud, and we do not claim any rights in them. Only add photos you have the right to use. Stock photos found in the app come from Unsplash under the Unsplash License, and the app credits each photographer. Keep your own backups of anything you cannot replace: sync and backup depend on iCloud and may not always be available.
Purchases and subscriptions
The app is free to download and use. Optional purchases are sold by Apple through the App Store:
- Day Pro yearly and Day Pro monthly, auto-renewing subscriptions;
- Day Pro lifetime, a one-time purchase;
- Essentials, a one-time purchase that removes ads and unlocks the photo widget.
Day Pro unlocks the features marked Pro in the app, such as extra themes, layouts and sizes, photo widgets, Auto iCloud Sync and backup, and removes ads. Prices are shown in the app before you buy and can vary by country.
- Payment is charged to your Apple Account when you confirm the purchase.
- Subscriptions renew automatically at the end of each period (year or month) unless you cancel at least 24 hours before it ends. Your Apple Account is charged for the renewal within the 24 hours before the period ends.
- Free trial: the yearly plan may start with a free trial (currently 3 days; the length shown on the purchase screen applies). If you do not cancel at least 24 hours before the trial ends, the yearly subscription starts and is charged. The app also sends a reminder before the trial ends if you allow notifications.
- Manage or cancel in iOS Settings → your name → Subscriptions. Cancelling stops the next renewal; you keep Day Pro until the end of the period you paid for.
- Refunds are handled by Apple under its policies: reportaproblem.apple.com.
- Purchases work on every device signed in with the same Apple Account. Use Restore Purchases on the Day Pro screen. The older Remove Ads purchase can still be restored and counts as Essentials.
We may change which features are free or paid in future versions. Anything you have already bought keeps working for as long as the app is offered.
Ads
Free use of the app shows ads, as described in the privacy policy. Day Pro, Essentials and Remove Ads owners do not see ads.
Services from other companies
Some features rely on other companies: Apple (App Store, iCloud, notifications, widgets), Google (ads), Unsplash (stock photos), OneSignal (push) and Mixpanel (analytics). Their own terms apply to their services, and we are not responsible for their availability.
Ownership
The app, its design, artwork, text and code belong to us or our licensors and are protected by copyright. Buying an item gives you a personal licence to use it in the app, not ownership of the content.
No warranty
The app is provided "as is". We work to keep it accurate and reliable, but we do not promise it will be error-free or always available, that reminders will always arrive (they depend on iOS settings and limits), or that iCloud sync will never fail.
Limitation of liability
To the extent the law allows, we are not liable for indirect, incidental or consequential damages from using the app, including a missed date or lost data. Our total liability is limited to the amount you paid for the app in the 12 months before the claim. Nothing here limits rights you have under consumer law that cannot be waived.
Changes
We may update these terms; the date at the top shows the latest version. Continuing to use the app after a change means you accept the updated terms.
Governing law
These terms are governed by the laws of the State of Delaware, United States, without regard to conflict-of-law rules, except where your local consumer law says otherwise.
Contact
Use the contact form and mention "Countdown Day app". See also the support page.
Fall Asleep: Rain Sleep Sounds
Plain terms for using the Fall Asleep: Rain Sleep Sounds app. By downloading or using it you agree to them.
The app is published by Nattapon Kittisuphat ("we", "us") on the Apple App Store. Apple's standard Licensed Application End User License Agreement also applies; where the two differ for your use of the app, these terms add to it.
1. What the app is
A player for relaxing sounds with a sleep timer, reminders and general sleep information. It is not a medical device, does not diagnose or treat insomnia or any other condition, and is not a substitute for a doctor. If poor sleep lasts for weeks or affects your day, talk to a clinician.
2. Using the app
- Use it for personal, non-commercial purposes.
- Do not copy, modify, reverse engineer or redistribute the app, its sounds or artwork.
- Keep the volume at a safe level, especially with headphones and when sleeping.
3. Subscriptions and purchases
The app is free to download. Optional purchases include the Plus yearly subscription, a lifetime unlock, room passes and themes. Prices are shown in the app before you buy and can vary by country.
- Payment is charged to your Apple ID when you confirm the purchase.
- Plus renews automatically each year unless you cancel at least 24 hours before the end of the current period. Your Apple ID is charged for the renewal within the 24 hours before the period ends.
- Free trial: Plus may start with a 7-day free trial. If you do not cancel at least 24 hours before the trial ends, the yearly subscription starts and is charged. Any unused part of a free trial ends when you buy a subscription.
- Manage or cancel in iOS Settings → your name → Subscriptions. Cancelling stops the next renewal; you keep Plus until the end of the period you paid for.
- Refunds are handled by Apple under its policies: reportaproblem.apple.com.
- One-time purchases are yours on every device signed in with the same Apple ID; use "Restore Purchases" in the app's Settings.
4. Ads
The free version shows ads, as described in the privacy policy. Rewarded ads that unlock a theme or room for 24 hours are always optional.
5. Ownership
The app, its sounds, artwork, text and code belong to us or our licensors and are protected by copyright. Buying an item gives you a personal licence to use it in the app, not ownership of the content.
6. No warranty
The app is provided "as is". We work to keep it reliable, but we do not promise it will be error-free or always available, or that it will improve your sleep. Do not rely on the app as your only alarm for anything important.
7. Limitation of liability
To the extent the law allows, we are not liable for indirect, incidental or consequential damages from using the app. Our total liability is limited to the amount you paid for the app in the 12 months before the claim. Nothing here limits rights you have under consumer law that cannot be waived.
8. Changes
We may update these terms; the date at the top shows the latest version. Continuing to use the app after a change means you accept the updated terms.
9. Governing law
These terms are governed by the laws of the State of Delaware, United States, without regard to conflict-of-law rules, except where your local consumer law says otherwise.
10. Contact
Use the contact form (mention "Fall Asleep app"). See also the support page.
Sleep Diary: Morning Log
Plain terms for using the Sleep Diary: Morning Log app. By downloading or using it you agree to them.
The app is published by Nattapon Kittisuphat ("we", "us") on the Apple App Store. Apple's standard Licensed Application End User License Agreement also applies; where the two differ for your use of the app, these terms add to it.
1. What the app is
A sleep diary you fill in yourself each morning, with a chart of recent nights and a PDF report you can share. A personal record, not a medical assessment. It does not measure, diagnose or treat insomnia or any other condition, gives no score or advice, and is not a substitute for a doctor. Times filled from Apple Health are copied as saved there; check and edit them before saving. If poor sleep lasts for weeks or affects your day, talk to a clinician.
2. Using the app
- Use it for personal, non-commercial purposes.
- Do not copy, modify, reverse engineer or redistribute the app or its artwork.
- You are responsible for what you enter and for the reports you share.
3. Lifetime purchase
The app is free to download. The optional Lifetime unlock is a one-time purchase, not a subscription — nothing renews and nothing is charged again. It removes ads, shows thirty nights in the chart, adds 14-night and custom-range PDF reports, and unlocks backup export and import. The price is shown in the app before you buy and can vary by country. Everything you entered while free stays free.
- Payment is charged to your Apple ID when you confirm the purchase.
- Restore: Lifetime is yours on every device signed in with the same Apple ID. Use "Restore purchases" in the app's Settings (or "Restore" on the purchase screen).
- Refunds are handled by Apple under its policies: reportaproblem.apple.com.
4. Ads
The free version shows ads, as described in the privacy policy. Rewarded ads that show thirty nights and pause ads for 24 hours are always optional.
5. Your data
Your diary is stored only on your iPhone. We cannot recover it if you delete the app or lose your phone, so export a backup file (Lifetime) if you want a copy.
6. Ownership
The app, its artwork, text and code belong to us or our licensors and are protected by copyright. Your diary entries belong to you.
7. No warranty
The app is provided "as is". We work to keep it reliable, but we do not promise it will be error-free or always available, or that it will improve your sleep.
8. Limitation of liability
To the extent the law allows, we are not liable for indirect, incidental or consequential damages from using the app. Our total liability is limited to the amount you paid for the app in the 12 months before the claim. Nothing here limits rights you have under consumer law that cannot be waived.
9. Changes
We may update these terms; the date at the top shows the latest version. Continuing to use the app after a change means you accept the updated terms.
10. Governing law
These terms are governed by the laws of the State of Delaware, United States, without regard to conflict-of-law rules, except where your local consumer law says otherwise.
11. Contact
Email [email protected] (mention "Sleep Diary"). See also the support page.
Apps covered
These terms apply to each app below. Apps with their own purchase terms are listed above.
- Funny Voice Changer - Effects · privacy
- HomeFit - 7 Min Workout Plan · privacy
- Pulse: Heart Rate Monitor BPM · privacy
- Daily Quotes Motivation & Life · privacy
- Nour - Recipes & Cookbook · privacy
- Calorie AI & Weight Loss Diet · privacy
- BMI Formula - My Wellness · privacy
- Best OCR: Image to Text · privacy
- One Time Password: 2FA Vault · privacy
- Batchrunner: Mass Group Text · privacy
- 7-Minute Workout and Calm Mind · privacy
- Meme Generator: Maker Creator · privacy
- Reclaim: App Blocker & Focus · privacy
- Tracker: Quit Smoking & Vaping · privacy
- Stretch Day: Bend & Stretching · privacy
- Diet Tracker Life Fasting 16:8 · privacy
- Aviation Maintenance Exam Prep · privacy
- Tap Drill Chart & CNC Speeds · privacy
- HazMat Guide - NIOSH ERG 2024 · privacy
- Texas Offense Card: Penal Code · privacy
- Inkweek: DBT Diary Card · privacy
- Crosswind E6B Flight Computer · privacy
- FERS Retirement Date Planner · privacy
- Binyan: Biblical Hebrew Verbs · privacy
- Pool Water Log & Calculator · privacy
- Shot List & Shoot Day Board · privacy
Contact
Questions about these terms: email [email protected] and mention the app’s name.