# 99 More vs 暗算Blitz

The clearest difference is in-app purchases: 99 More at none against 暗算Blitz's 1. 99 More also leads on iOS requirement (15.6 vs 17.6). 暗算Blitz's advantage is update cadence (daily vs every 2 months). On price, ads and device support there is nothing between them.

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

99 More ships an update every 2 months, 暗算Blitz daily. The most recent releases landed on September 27, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 99 More | 暗算Blitz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Daily** |
| Size | 32 MB | 54 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DAISUKE MATSUYOSHI](https://appshunter.io/developer/1545916488) | [Toshihide KAWAI](https://appshunter.io/developer/1598098272) |

## 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


### 暗算Blitz

[App page](https://appshunter.io/ios/app/blitz/id6741730652)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム・ユーザー | $14.99 | one-time |


## Frequently asked questions

### Is 99 More free?

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

### Is 暗算Blitz free?

暗算Blitz is free to download, with in-app purchases available.

### Do 99 More or 暗算Blitz have ads?

Both 99 More and 暗算Blitz show ads.

### Which is updated more often, 99 More or 暗算Blitz?

99 More ships an update every 2 months, and 暗算Blitz daily. Most recently, 99 More was updated on September 27, 2026 and 暗算Blitz on October 3, 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.*