# SOURCE【ソース】 vs こいびと日記

The clearest difference is in-app purchases: SOURCE【ソース】 at none against こいびと日記's 2. SOURCE【ソース】 also leads on iOS requirement (13.0 vs 17.0). こいびと日記's advantage is update cadence (fortnightly vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. こいびと日記 sells 2 in-app purchases, starting at $1.99 per 7 days. SOURCE【ソース】 asks for nothing beyond the download.

SOURCE【ソース】 ships an update every 6 weeks, こいびと日記 fortnightly. The most recent releases landed on September 14, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | SOURCE【ソース】 | こいびと日記 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 4 MB | 23 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [shingo kamei](https://appshunter.io/developer/1256845824) | [Starcrown Inc](https://appshunter.io/developer/1082624152) |

## What reviewers say

### SOURCE【ソース】

[App page](https://appshunter.io/ios/app/source/id6474589330)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is SOURCE【ソース】 free?

SOURCE【ソース】 is free to download, with no in-app purchases.

### Is こいびと日記 free?

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

### Do SOURCE【ソース】 or こいびと日記 have ads?

Neither SOURCE【ソース】 nor こいびと日記 shows ads.

### Which is updated more often, SOURCE【ソース】 or こいびと日記?

SOURCE【ソース】 ships an update every 6 weeks, and こいびと日記 fortnightly. Most recently, SOURCE【ソース】 was updated on September 14, 2026 and こいびと日記 on September 13, 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.*