# FERIA group アプリ vs Mental Leap Checker

The clearest difference is ads: FERIA group アプリ at none against Mental Leap Checker's shown. Mental Leap Checker's advantage is update cadence (every 11 days vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

FERIA group アプリ ships an update every 4 months, Mental Leap Checker every 11 days. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | FERIA group アプリ | Mental Leap Checker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 11 days** |
| Size | 77 MB | 83 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [FERIA co.,ltd.](https://appshunter.io/developer/1319065609) | [Akatsukido Co., Ltd.](https://appshunter.io/developer/1801122880) |

## What reviewers say

### FERIA group アプリ

[App page](https://appshunter.io/ios/app/feria-group/id1319065610)

**Features:** Apple Wallet

**In-app purchases:** none


### Mental Leap Checker

[App page](https://appshunter.io/ios/app/mental-leap-checker/id6743070241)

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

**In-app purchases:** none


## Frequently asked questions

### Is FERIA group アプリ free?

FERIA group アプリ is free to download, with no in-app purchases.

### Is Mental Leap Checker free?

Mental Leap Checker is free to download, with no in-app purchases.

### Do FERIA group アプリ or Mental Leap Checker have ads?

Mental Leap Checker shows ads; FERIA group アプリ does not.

### Which is updated more often, FERIA group アプリ or Mental Leap Checker?

FERIA group アプリ ships an update every 4 months, and Mental Leap Checker every 11 days. Most recently, FERIA group アプリ was updated on November 2, 2026 and Mental Leap Checker on October 30, 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.*