# 脳からダイエット vs Devdy

The clearest difference is ads: Devdy at none against 脳からダイエット's shown. Devdy also leads on iOS requirement (11.0 vs 16.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

脳からダイエット ships an update every 3 weeks, Devdy fortnightly. The most recent releases landed on September 9, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | 脳からダイエット | Devdy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 25 MB | 59 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Akira Fujisawa](https://appshunter.io/developer/1533514621) | [Devenue Inc.](https://appshunter.io/developer/1691267014) |

## What reviewers say

### 脳からダイエット

[App page](https://appshunter.io/ios/app/id1566582659)

**Features:** macOS Compatibility

**In-app purchases:** none


### Devdy

[App page](https://appshunter.io/ios/app/devdy/id6468541269)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 脳からダイエット free?

脳からダイエット is free to download, with no in-app purchases.

### Is Devdy free?

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

### Do 脳からダイエット or Devdy have ads?

脳からダイエット shows ads; Devdy does not.

### Which is updated more often, 脳からダイエット or Devdy?

脳からダイエット ships an update every 3 weeks, and Devdy fortnightly. Most recently, 脳からダイエット was updated on September 9, 2026 and Devdy on September 19, 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.*