# ウクレレ入門 vs おトク判定機

The clearest difference is ads: おトク判定機 at none against ウクレレ入門's shown. おトク判定機 also leads on update cadence (monthly vs every 8 months). ウクレレ入門's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 17.4). On price and in-app purchases there is nothing between them.

Both are free to download. ウクレレ入門 sells 1 one-off in-app purchase and おトク判定機 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ウクレレ入門 ships an update every 8 months, おトク判定機 monthly. The most recent releases landed on September 7, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ウクレレ入門 | おトク判定機 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Monthly** |
| Size | 32 MB | 1 MB |
| Requires iOS | **14.0** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SHINGO MATSUO](https://appshunter.io/developer/1493414113) | [Comlinks Co. Ltd.](https://appshunter.io/developer/1668250557) |

## What reviewers say

### ウクレレ入門

[App page](https://appshunter.io/ios/app/and/id6450103738)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| アプリ内の広告削除 | $2.99 | one-time |


### おトク判定機

[App page](https://appshunter.io/ios/app/id6754601271)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy coffee to developers | $0.99 | one-time |


## Frequently asked questions

### Is ウクレレ入門 free?

ウクレレ入門 is free to download, with in-app purchases available.

### Is おトク判定機 free?

おトク判定機 is free to download, with in-app purchases available.

### Do ウクレレ入門 or おトク判定機 have ads?

ウクレレ入門 shows ads; おトク判定機 does not.

### Which is updated more often, ウクレレ入門 or おトク判定機?

ウクレレ入門 ships an update every 8 months, and おトク判定機 monthly. Most recently, ウクレレ入門 was updated on September 7, 2026 and おトク判定機 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.*