# ねこ計算ドリル vs Sonic Math

The clearest difference is in-app purchases: ねこ計算ドリル at none against Sonic Math's 1. ねこ計算ドリル also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Sonic Math sells 1 one-off in-app purchase. ねこ計算ドリル asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ねこ計算ドリル | Sonic Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 27 MB | 37 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kaori Kurosawa](https://appshunter.io/developer/1777069285) | [MASAKI CHIBA](https://appshunter.io/developer/1890488277) |

## What reviewers say

### ねこ計算ドリル

[App page](https://appshunter.io/ios/app/id6755174772)

**In-app purchases:** none


### Sonic Math

[App page](https://appshunter.io/ios/app/sonic-math-mental-math-drill/id6765611618)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Unlock | $1.99 | one-time |


## Frequently asked questions

### Is ねこ計算ドリル free?

ねこ計算ドリル is free to download, with no in-app purchases.

### Is Sonic Math free?

Sonic Math is free to download, with in-app purchases available.

### Do ねこ計算ドリル or Sonic Math have ads?

Sonic Math shows ads; ねこ計算ドリル does not.

### Which is updated more often, ねこ計算ドリル or Sonic Math?

ねこ計算ドリル ships an update every 3 weeks, and Sonic Math every 3 weeks. Most recently, ねこ計算ドリル was updated on October 7, 2026 and Sonic Math on October 13, 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.*