# Trigonometry calc vs Bend Calculator

The clearest difference is ads: Bend Calculator at none against Trigonometry calc's shown. Bend Calculator also leads on update cadence (every 4 days vs every 3 months). Trigonometry calc's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. Trigonometry calc sells 1 one-off in-app purchase and Bend Calculator sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Trigonometry calc ships an update every 3 months, Bend Calculator every 4 days. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Trigonometry calc | Bend Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/trigonometry-calc/id1306864057/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 15 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bo Kalvslund](https://appshunter.io/developer/572272193) | [Reva Desai](https://appshunter.io/developer/1780266324) |

## What reviewers say

### Trigonometry calc

[App page](https://appshunter.io/ios/app/trigonometry-calc/id1306864057)

Calculate side lengths and angles in right-angled triangles using Pythagorean theorem and trigonometry functions. Learn basic trigonometry concepts. An optional premium version removes ads and unlocks a general triangle calculator.

**Highlights:** Calculate side lengths, Calculate angles, Pythagorean Theorem, Trigonometry functions, Learn simple trigonometry, General triangle calculator (premium)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | one-time |


### Bend Calculator

[App page](https://appshunter.io/ios/app/bend-calculator/id6809162404)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly Access | $4.99 | per month |
| Pro Yearly Access | $29.99 | per year |


## Frequently asked questions

### Is Trigonometry calc free?

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

### Is Bend Calculator free?

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

### Do Trigonometry calc or Bend Calculator have ads?

Trigonometry calc shows ads; Bend Calculator does not.

### Which is updated more often, Trigonometry calc or Bend Calculator?

Trigonometry calc ships an update every 3 months, and Bend Calculator every 4 days. Most recently, Trigonometry calc was updated on October 24, 2026 and Bend Calculator on October 18, 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.*