# こいびと日記 vs DaysFolio

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.

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.

## The numbers

| Metric | こいびと日記 | DaysFolio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Size | 23 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Starcrown Inc](https://appshunter.io/developer/1082624152) | [Hangzhou Qiangdi Technology Co., Ltd](https://appshunter.io/developer/6801991958) |

## What reviewers say

### こいびと日記

[App page](https://appshunter.io/ios/app/365/id6764788921)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $1.99 | per 7 days |
| Yearly Pro | $29.99 | per year |


### DaysFolio

[App page](https://appshunter.io/ios/app/daysfolio-countdown-and-counter/id6807710980)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DaysFolio Pro Monthly | $2.99 | per month |
| DaysFolio Pro Yearly | $14.99 | per year |
| DaysFolio Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is こいびと日記 free?

こいびと日記 is free to download, with in-app purchases available.

### Is DaysFolio free?

DaysFolio is free to download, with in-app purchases available.

### Do こいびと日記 or DaysFolio have ads?

Neither こいびと日記 nor DaysFolio shows ads.

### Which is updated more often, こいびと日記 or DaysFolio?

こいびと日記 ships an update fortnightly, and DaysFolio every 9 days. Most recently, こいびと日記 was updated on October 17, 2026 and DaysFolio on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*