# Trigonometry Calculator. vs 鉄筋電卓 − 重量・定尺・配筋・生コン

The clearest difference is ads: 鉄筋電卓 − 重量・定尺・配筋・生コン at none against Trigonometry Calculator.'s shown. 鉄筋電卓 − 重量・定尺・配筋・生コン also leads on update cadence (every 2 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Trigonometry Calculator. sells 2 in-app purchases, starting at $2.99 per month and 鉄筋電卓 − 重量・定尺・配筋・生コン sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Trigonometry Calculator. ships an update every 2 weeks, 鉄筋電卓 − 重量・定尺・配筋・生コン every 2 days. The most recent releases landed on September 9, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | Trigonometry Calculator. | 鉄筋電卓 − 重量・定尺・配筋・生コン |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/trigonometry-calculator/id6741517618/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 64 MB | 63 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Horitech](https://appshunter.io/developer/1794537335) | [Moeki Kozawa](https://appshunter.io/developer/1770452138) |

## What reviewers say

### Trigonometry Calculator.

[App page](https://appshunter.io/ios/app/trigonometry-calculator/id6741517618)

This app calculates key values for right-angled and scalene triangles with high precision. It offers a user-friendly interface, flexible angle units, and includes a reference guide to trigonometric formulas. A subscription unlocks calculation steps and removes ads.

**Highlights:** Right-angled & scalene triangle support, Formula reference guide, Accurate side, angle, and area calculations, High precision to 14 decimal places, Flexible angle units (degrees/radians), User-friendly interface

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Annual | $24.99 | per year |


### 鉄筋電卓 − 重量・定尺・配筋・生コン

[App page](https://appshunter.io/ios/app/id6783316434)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rebar Calc Pro | $4.99 | one-time |


## Frequently asked questions

### Is Trigonometry Calculator. free?

Trigonometry Calculator. is free to download, with in-app purchases available.

### Is 鉄筋電卓 − 重量・定尺・配筋・生コン free?

鉄筋電卓 − 重量・定尺・配筋・生コン is free to download, with in-app purchases available.

### Do Trigonometry Calculator. or 鉄筋電卓 − 重量・定尺・配筋・生コン have ads?

Trigonometry Calculator. shows ads; 鉄筋電卓 − 重量・定尺・配筋・生コン does not.

### Which is updated more often, Trigonometry Calculator. or 鉄筋電卓 − 重量・定尺・配筋・生コン?

Trigonometry Calculator. ships an update every 2 weeks, and 鉄筋電卓 − 重量・定尺・配筋・生コン every 2 days. Most recently, Trigonometry Calculator. was updated on September 9, 2026 and 鉄筋電卓 − 重量・定尺・配筋・生コン on September 4, 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.*