こいびと日記 vs DaysFolio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
DaysFolio
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DaysFolio keeps birthdays, anniversaries, and important dates organized around the people and things that matter. Count up from past moments, count down to what is next, and keep upcoming dates in view. · Archives & moments: keep multiple moments in each archive, pin archives, search, and add notes · Dates: record Gregorian dates and lunar birthdays, with repeat options for recurring moments · Reminders: set a basic reminder for an important date; DaysFolio Pro adds multiple and custom reminders · Widgets: Home Screen and Lock Screen widgets show today and upcoming moments · Your data: stored on your device by default, with manual backup export and import Free: up to 3 archives, up to 3 moments per archive, and one basic reminder per moment. DaysFolio Pro unlocks more archives and moments, advanced reminders, and optional iCloud sync. Privacy Policy: https://qiangditech.com/products/daysfolio/privacy DaysFolio Terms of Service: https://qiangditech.com/products/daysfolio/terms Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Contact: info@qiangditech.com
Screenshots
Verdict
こいびと日記 and DaysFolio are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. こいびと日記 sells 2 in-app purchases, starting at $1.99 per 7 days and DaysFolio sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
こいびと日記 ships an update fortnightly, DaysFolio every 9 days. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.
| Parameter | こいびと日記 | DaysFolio |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 23 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Starcrown Inc | Hangzhou Qiangdi Technology Co., Ltd |
In-app purchases
こいびと日記
- Weekly Pro3 Days trial$1.997 Days
- Yearly Pro$29.991 Year
DaysFolio
- DaysFolio Pro Monthly$2.991 Month
- DaysFolio Pro Yearly$14.991 Year
- DaysFolio Pro Lifetime$39.99
