# tsubomaster vs Aiboou

The clearest difference is in-app purchases: tsubomaster at none against Aiboou's 1. Aiboou's advantage is ads (none vs shown) and update cadence (every 9 days vs every 6 months). On price and iOS requirement there is nothing between them.

Both are free to download. Aiboou sells 1 in-app purchase, starting at $2.99 per month. tsubomaster asks for nothing beyond the download.

tsubomaster ships an update every 6 months, Aiboou every 9 days. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | tsubomaster | Aiboou |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 9 days** |
| Size | 9 MB | 57 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [JK-SCIENCE CO., LTD.](https://appshunter.io/developer/493464594) | [Kento Fukui](https://appshunter.io/developer/852236897) |

## What reviewers say

### tsubomaster

[App page](https://appshunter.io/ios/app/tsubomaster/id493464591)

**Features:** macOS Compatibility

**In-app purchases:** none


### Aiboou

[App page](https://appshunter.io/ios/app/aiboou/id6783070809)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $2.99 | per month |


## Frequently asked questions

### Is tsubomaster free?

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

### Is Aiboou free?

Aiboou is free to download, with in-app purchases available.

### Do tsubomaster or Aiboou have ads?

tsubomaster shows ads; Aiboou does not.

### Which is updated more often, tsubomaster or Aiboou?

tsubomaster ships an update every 6 months, and Aiboou every 9 days. Most recently, tsubomaster was updated on September 8, 2026 and Aiboou on September 17, 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.*