# Calculation Training For Brain vs おかね脳トレ

The clearest difference is in-app purchases: おかね脳トレ at none against Calculation Training For Brain's 1. おかね脳トレ also leads on update cadence (every 4 weeks vs every 5 months). Calculation Training For Brain's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Calculation Training For Brain sells 1 one-off in-app purchase. おかね脳トレ asks for nothing beyond the download.

Calculation Training For Brain ships an update every 5 months, おかね脳トレ every 4 weeks. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Calculation Training For Brain | おかね脳トレ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (14 ratings)](https://appshunter.io/ios/app/calculation-training-for-brain/id1159243202/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 86.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 97 MB | 42 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Masaki Kanno](https://appshunter.io/developer/843112443) | [KODAI MURAKAMI](https://appshunter.io/developer/6783250126) |

## What reviewers say

### Calculation Training For Brain

[App page](https://appshunter.io/ios/app/calculation-training-for-brain/id1159243202)

Practice basic math calculations with this engaging app designed for all ages. Improve mental math skills through fun, game-like exercises. Choose your difficulty, duration, and calculation type for daily brain training.

**Highlights:** Basic math calculation practice, Suitable for all ages, Game-like engagement, Customizable difficulty, duration, and calculation type, Addition, subtraction, multiplication, division, and mixed operations

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


### おかね脳トレ

[App page](https://appshunter.io/ios/app/5/id6799604734)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calculation Training For Brain free?

Calculation Training For Brain is free to download, with in-app purchases available.

### Is おかね脳トレ free?

おかね脳トレ is free to download, with no in-app purchases.

### Do Calculation Training For Brain or おかね脳トレ have ads?

Both Calculation Training For Brain and おかね脳トレ show ads.

### Which is updated more often, Calculation Training For Brain or おかね脳トレ?

Calculation Training For Brain ships an update every 5 months, and おかね脳トレ every 4 weeks. Most recently, Calculation Training For Brain was updated on October 7, 2026 and おかね脳トレ on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*