# Itsu vs おトク判定機

The clearest difference is in-app purchases: Itsu at none against おトク判定機's 1. Itsu also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.4). おトク判定機's advantage is ads (none vs shown) and update cadence (monthly vs every 14 months). On price there is nothing between them.

Both are free to download. おトク判定機 sells 1 one-off in-app purchase. Itsu asks for nothing beyond the download.

Itsu ships an update every 14 months, おトク判定機 monthly. The most recent releases landed on September 19, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Itsu | おトク判定機 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 14 months | **Monthly** |
| Size | 6 MB | 1 MB |
| Requires iOS | **15.0** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [risaiku LLC.](https://appshunter.io/developer/1028305769) | [Comlinks Co. Ltd.](https://appshunter.io/developer/1668250557) |

## What reviewers say

### Itsu

[App page](https://appshunter.io/ios/app/itsu-log/id1528106560)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Itsu free?

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

### Is おトク判定機 free?

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

### Do Itsu or おトク判定機 have ads?

Itsu shows ads; おトク判定機 does not.

### Which is updated more often, Itsu or おトク判定機?

Itsu ships an update every 14 months, and おトク判定機 monthly. Most recently, Itsu was updated on September 19, 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.*