# ことりにっき vs IKURU 公式アプリ

The clearest difference is in-app purchases: IKURU 公式アプリ at none against ことりにっき's 1. IKURU 公式アプリ also leads on ads (none vs shown). ことりにっき's advantage is update cadence (every 6 weeks vs every 38 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ことりにっき sells 1 one-off in-app purchase. IKURU 公式アプリ asks for nothing beyond the download.

ことりにっき ships an update every 6 weeks, IKURU 公式アプリ every 38 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | ことりにっき | IKURU 公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 38 months |
| Size | 17 MB | 36 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Akira Sakagami](https://appshunter.io/developer/1438357557) | [EMI HIRANO](https://appshunter.io/developer/1553855307) |

## What reviewers say

### ことりにっき

[App page](https://appshunter.io/ios/app/id1438357558)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 有料オプション | $2.99 | one-time |


### IKURU 公式アプリ

[App page](https://appshunter.io/ios/app/ikuru/id1553855305)

**In-app purchases:** none


## Frequently asked questions

### Is ことりにっき free?

ことりにっき is free to download, with in-app purchases available.

### Is IKURU 公式アプリ free?

IKURU 公式アプリ is free to download, with no in-app purchases.

### Do ことりにっき or IKURU 公式アプリ have ads?

ことりにっき shows ads; IKURU 公式アプリ does not.

### Which is updated more often, ことりにっき or IKURU 公式アプリ?

ことりにっき ships an update every 6 weeks, and IKURU 公式アプリ every 38 months. Most recently, ことりにっき was updated on October 26, 2026 and IKURU 公式アプリ on October 27, 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.*