# 暗算Blitz vs SHEETEST

The clearest difference is in-app purchases: SHEETEST at none against 暗算Blitz's 1. 暗算Blitz's advantage is update cadence (daily vs every 5 days). On price, ads, device support and iOS requirement there is nothing between them.

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

暗算Blitz ships an update daily, SHEETEST every 5 days. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 暗算Blitz | SHEETEST |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Every 5 days |
| Size | 54 MB | 4 MB |
| Requires iOS | 17.6 | **17** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Toshihide KAWAI](https://appshunter.io/developer/1598098272) | [Saya Tachikawa](https://appshunter.io/developer/6794575661) |

## What reviewers say

### 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 |


### SHEETEST

[App page](https://appshunter.io/ios/app/sheetest/id6794575659)

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

**In-app purchases:** none


## Frequently asked questions

### Is 暗算Blitz free?

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

### Is SHEETEST free?

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

### Do 暗算Blitz or SHEETEST have ads?

Both 暗算Blitz and SHEETEST show ads.

### Which is updated more often, 暗算Blitz or SHEETEST?

暗算Blitz ships an update daily, and SHEETEST every 5 days. Most recently, 暗算Blitz was updated on October 3, 2026 and SHEETEST on October 14, 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.*