# Checkmate vs 土量計算ノート

The clearest difference is device support: Checkmate at 3 against 土量計算ノート's 1. Checkmate also leads on iOS requirement (12.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Checkmate ships an update every 2 months, 土量計算ノート monthly. The most recent releases landed on September 30, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Checkmate | 土量計算ノート |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 47 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NIHON SOFTEC K.K.](https://appshunter.io/developer/958392233) | [SHINOBU MIYAHIRA](https://appshunter.io/developer/6782739570) |

## What reviewers say

### Checkmate

[App page](https://appshunter.io/ios/app/checkmate/id1370269290)

**Features:** macOS Compatibility

**In-app purchases:** none


### 土量計算ノート

[App page](https://appshunter.io/ios/app/id6791828017)

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

**In-app purchases:** none


## Frequently asked questions

### Is Checkmate free?

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

### Is 土量計算ノート free?

土量計算ノート is free to download, with no in-app purchases.

### Do Checkmate or 土量計算ノート have ads?

Neither Checkmate nor 土量計算ノート shows ads.

### Which is updated more often, Checkmate or 土量計算ノート?

Checkmate ships an update every 2 months, and 土量計算ノート monthly. Most recently, Checkmate was updated on September 30, 2026 and 土量計算ノート on October 15, 2026.

---

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