# CHAINON【公式アプリ】 vs Chainon.

CHAINON【公式アプリ】 and Chainon. 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. Neither carries in-app purchases, so what you see is what you pay.

CHAINON【公式アプリ】 ships an update every 56 months, Chainon. every 41 months. The most recent releases landed on May 16, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | CHAINON【公式アプリ】 | Chainon. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 56 months | **Every 41 months** |
| Size | 27 MB | 3 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YUNA INOMATA](https://appshunter.io/developer/1544186392) | [Kazuki Iwashita](https://appshunter.io/developer/1572807913) |

## What reviewers say

### CHAINON【公式アプリ】

[App page](https://appshunter.io/ios/app/chainon/id1544186389)

**In-app purchases:** none


### Chainon.

[App page](https://appshunter.io/ios/app/chainon/id1572807911)

**In-app purchases:** none


## Frequently asked questions

### Is CHAINON【公式アプリ】 free?

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

### Is Chainon. free?

Chainon. is free to download, with no in-app purchases.

### Do CHAINON【公式アプリ】 or Chainon. have ads?

Neither CHAINON【公式アプリ】 nor Chainon. shows ads.

### Which is updated more often, CHAINON【公式アプリ】 or Chainon.?

CHAINON【公式アプリ】 ships an update every 56 months, and Chainon. every 41 months. Most recently, CHAINON【公式アプリ】 was updated on May 16, 2026 and Chainon. on September 9, 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.*