Temporary Note vs こいびと日記
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Temporary Note
Organize important notes and photos with scheduled deletion. Save content like reservations or temporary images, and set them to auto-delete after a specified date. Offers optional subscription for advanced features like hiding content and full backup/restore.
- Add notes and photos
- Set scheduled deletion dates
- Hide notes and photos with biometric authentication
- Backup and restore memos and photos
- Add links and comments separately
- Manage and remove notes
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You can manage draft notes Save only important and organized content in your photo album or existing organized memo app! Store photos without text in my photo album, such as mart gallery photos, rental car photos, and flyer photos, to be deleted soon Save notes that do not require a period, such as accommodation reservations and used transaction numbers! You can set the deletion date and make it complete. Please refer to the post function below Basic function: - You can add notes and photos - It is saved when adding a photo, so you can delete completely duplicate photos right away. - Added photos can be put back in place. - You can add links and comments separately - You can keep, delete and remove notes. - You can back up the shape of the currently saved memo and all photos as it is (however, a subscription is required for restoration) Subscription features: - Hide function is available - Hidden notes or photos can be checked again through biometric authentication. - These options can be found in the ‘Additional Features’ tab - You can set the scheduled deletion date - If you run the app after the set time, memos that have passed the due date will be deleted. - You can restore the shape of the currently saved memo and all photos as it is * Subscription products in the app provide the following services - 2-Week Free Trial: Totally free, no restrictions, you can cancel anytime - Payment details will be charged to your iTunes account upon confirmation - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current subscription period. - Subscription period: 1 year, 1 month - Account will be charged for renewal no later than 24-hours prior to the end of the current period, and you will be notified of the renewal fee. - Subscription price 1-year plan: KRW 6,600/year 1 month plan: 660 won / month - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - No cancellation of the current subscription is allowed while the subscription period is active. - Any unused portion of a free trial period will be forfeited when the user purchases the corresponding subscription Terms of use, including the Terms of Service, can be checked at any time on the product purchase screen in the app. Terms of Service: https://remain-service.tistory.com/4
こいびと日記
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Koibito Diary is a gentle 365-day journal for writing to, or about, someone you love. What you can do: - Answer one daily prompt at any length you like - Record your mood in five levels and attach one photo - Review your streaks and monthly flow on the calendar - Look back through recent memories and small signs Koibito Pro unlocks: - PDF export for a full year of entries - Custom prompts - All themes Koibito Pro is an auto-renewable subscription with weekly and yearly plans. The price and renewal period are shown in the app and on the App Store purchase confirmation screen before purchase. Purchases can be restored with your Apple ID. The app uses Apple's standard EULA and includes a Privacy Policy link in the app. Koibito Pro offers weekly and yearly auto-renewable plans. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://starcrown.co.jp/privacy
Screenshots
Verdict
The clearest difference is iOS requirement: Temporary Note at 15.0 against こいびと日記's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Temporary Note sells 2 in-app purchases, starting at $0.49 per month and こいびと日記 sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Temporary Note ships an update every 10 days, こいびと日記 fortnightly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | Temporary Note | こいびと日記 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 10 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 17 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | remain.corp | Starcrown Inc |
In-app purchases
Temporary Note
- Activate features per month$0.491 Month
- Activate features per year$4.991 Year
こいびと日記
- Weekly Pro3 Days trial$1.997 Days
- Yearly Pro$29.991 Year









