# 99 More vs Sonic Math

The clearest difference is in-app purchases: 99 More at none against Sonic Math's 1. Sonic Math's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Sonic Math sells 1 one-off in-app purchase. 99 More asks for nothing beyond the download.

99 More ships an update every 2 months, Sonic Math every 3 weeks. The most recent releases landed on September 9, 2026 and August 28, 2026 respectively.

## The numbers

| Metric | 99 More | Sonic Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 32 MB | 37 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DAISUKE MATSUYOSHI](https://appshunter.io/developer/1545916488) | [MASAKI CHIBA](https://appshunter.io/developer/1890488277) |

## What reviewers say

### 99 More

[App page](https://appshunter.io/ios/app/99-more-app-for-mental-math/id6446323889)

**Features:** macOS Compatibility

**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 99 More free?

99 More 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 99 More or Sonic Math have ads?

Both 99 More and Sonic Math show ads.

### Which is updated more often, 99 More or Sonic Math?

99 More ships an update every 2 months, and Sonic Math every 3 weeks. Most recently, 99 More was updated on September 9, 2026 and Sonic Math on August 28, 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.*