# Trigonometry calc vs EPHS Trig

The clearest difference is in-app purchases: EPHS Trig at none against Trigonometry calc's 1. EPHS Trig also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Trigonometry calc sells 1 one-off in-app purchase. EPHS Trig asks for nothing beyond the download.

## The numbers

| Metric | Trigonometry calc | EPHS Trig |
| --- | --- | --- |
| 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 | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 0 MB |
| Requires iOS | 15.6 | **15.2** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bo Kalvslund](https://appshunter.io/developer/572272193) | [Eden Prairie High School](https://appshunter.io/developer/1437551414) |

## 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 |


### EPHS Trig

[App page](https://appshunter.io/ios/app/ephs-trig/id1628341689)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Trigonometry calc free?

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

### Is EPHS Trig free?

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

### Do Trigonometry calc or EPHS Trig have ads?

Trigonometry calc shows ads; EPHS Trig does not.

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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.*