# セット図メーカー vs Onga9

The clearest difference is price: Onga9 at Free against セット図メーカー's $2.99. Onga9 also leads on in-app purchases (none vs 3) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Onga9 is free to download; セット図メーカー costs $2.99 up front. セット図メーカー sells 3 one-off in-app purchases. Onga9 asks for nothing beyond the download.

セット図メーカー ships an update every 6 weeks, Onga9 every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | セット図メーカー | Onga9 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Size | 24 MB | 14 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [kohei katashima](https://appshunter.io/developer/1836925585) | [Kenta Terunuma](https://appshunter.io/developer/1883249034) |

## What reviewers say

### セット図メーカー

[App page](https://appshunter.io/ios/app/id6751807418)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| コーヒー一杯分 | $0.99 | one-time |
| もう一度アプリ購入 | $2.99 | one-time |
| たっぷり応援！ | $5.99 | one-time |


### Onga9

[App page](https://appshunter.io/ios/app/onga9/id6760211706)

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

**In-app purchases:** none


## Frequently asked questions

### Is セット図メーカー free?

セット図メーカー costs $2.99, and also offers in-app purchases.

### Is Onga9 free?

Onga9 is free to download, with no in-app purchases.

### Do セット図メーカー or Onga9 have ads?

セット図メーカー shows ads; Onga9 does not.

### Which is updated more often, セット図メーカー or Onga9?

セット図メーカー ships an update every 6 weeks, and Onga9 every 3 days. Most recently, セット図メーカー was updated on October 25, 2026 and Onga9 on October 24, 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.*