# Trigonometric Calculation vs 土量計算ノート

The clearest difference is ads: 土量計算ノート at none against Trigonometric Calculation's shown. Trigonometric Calculation's advantage is iOS requirement (15.5 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Trigonometric Calculation ships an update every 6 weeks, 土量計算ノート monthly. The most recent releases landed on September 27, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Trigonometric Calculation | 土量計算ノート |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Monthly** |
| Size | 5 MB | 2 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Risako Asai](https://appshunter.io/developer/1671273580) | [SHINOBU MIYAHIRA](https://appshunter.io/developer/6782739570) |

## What reviewers say

### Trigonometric Calculation

[App page](https://appshunter.io/ios/app/trigonometric-calculation/id1636196284)

**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 Trigonometric Calculation free?

Trigonometric Calculation 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 Trigonometric Calculation or 土量計算ノート have ads?

Trigonometric Calculation shows ads; 土量計算ノート does not.

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

Trigonometric Calculation ships an update every 6 weeks, and 土量計算ノート monthly. Most recently, Trigonometric Calculation was updated on September 27, 2026 and 土量計算ノート on October 1, 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.*