# Chainon. vs maiA公式アプリ

Chainon. and maiA公式アプリ 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. ships an update every 41 months, maiA公式アプリ every 38 months. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Chainon. | maiA公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 38 months** |
| Size | 3 MB | 39 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kazuki Iwashita](https://appshunter.io/developer/1572807913) | [AIKA ONO](https://appshunter.io/developer/1576447490) |

## What reviewers say

### Chainon.

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

**In-app purchases:** none


### maiA公式アプリ

[App page](https://appshunter.io/ios/app/maia/id1576447488)

**In-app purchases:** none


## Frequently asked questions

### Is Chainon. free?

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

### Is maiA公式アプリ free?

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

### Do Chainon. or maiA公式アプリ have ads?

Neither Chainon. nor maiA公式アプリ shows ads.

### Which is updated more often, Chainon. or maiA公式アプリ?

Chainon. ships an update every 41 months, and maiA公式アプリ every 38 months. Most recently, Chainon. was updated on September 9, 2026 and maiA公式アプリ on September 8, 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.*