# maiA公式アプリ vs ARUM　公式アプリ

maiA公式アプリ and ARUM　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.

maiA公式アプリ ships an update every 38 months, ARUM　公式アプリ every 39 months. The most recent releases landed on September 8, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | maiA公式アプリ | ARUM　公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 38 months** | Every 39 months |
| Size | 39 MB | 19 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AIKA ONO](https://appshunter.io/developer/1576447490) | [MAKI MUTOU](https://appshunter.io/developer/1628714807) |

## What reviewers say

### maiA公式アプリ

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

**In-app purchases:** none


### ARUM　公式アプリ

[App page](https://appshunter.io/ios/app/arum/id1628714804)

**In-app purchases:** none


## Frequently asked questions

### Is maiA公式アプリ free?

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

### Is ARUM　公式アプリ free?

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

### Do maiA公式アプリ or ARUM　公式アプリ have ads?

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

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

maiA公式アプリ ships an update every 38 months, and ARUM　公式アプリ every 39 months. Most recently, maiA公式アプリ was updated on September 8, 2026 and ARUM　公式アプリ on September 25, 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.*