# iMath vs Triangle Calculator Pythagoras

The clearest difference is review sentiment: iMath at 57% against Triangle Calculator Pythagoras's 0%. iMath also leads on in-app purchases (none vs 3) and ads (none vs shown). Triangle Calculator Pythagoras's advantage is rating (4.0 vs 2.9) and update cadence (monthly vs every 6 months). On price and device support there is nothing between them.

Both are free to download. Triangle Calculator Pythagoras sells 3 in-app purchases, starting at $1.99 per 7 days. iMath asks for nothing beyond the download.

Triangle Calculator Pythagoras holds the better App Store score, 4.0 against 2.9. That said, the two scores are not equally well evidenced: iMath has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 57% of iMath's written reviews are positive against 0% of Triangle Calculator Pythagoras's, so the app with the better star average is not the one people write more warmly about.

iMath ships an update every 6 months, Triangle Calculator Pythagoras monthly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iMath | Triangle Calculator Pythagoras |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (7 ratings)](https://appshunter.io/ios/app/imath/id301521528/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/triangle-calculator-pythagoras/id1600108278/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | **57.1% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 22 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rafael Cimatti](https://appshunter.io/developer/1504134395) | [Muhammed Samil DEMIR](https://appshunter.io/developer/1600108280) |

## What reviewers say

### iMath

[App page](https://appshunter.io/ios/app/imath/id301521528)

This app assists with various math calculations, including quadratic equations, the Pythagorean theorem, and logarithms. It displays the formulas used to aid learning and features an easy-to-use interface for checking homework or teaching others.

**Highlights:** Calculates quadratic equations, Calculates Pythagoras theorem, Calculates logarithm equations, Displays formulas for learning, Easy-to-use interface, Custom problem submission

**Features:** macOS Compatibility

**In-app purchases:** none


### Triangle Calculator Pythagoras

[App page](https://appshunter.io/ios/app/triangle-calculator-pythagoras/id1600108278)

This geometry tool simplifies right-angled triangle calculations. It instantly solves for missing sides, angles, area, and perimeter using the Pythagorean theorem and trigonometry. It also displays the formulas used for each calculation, aiding understanding.

**Highlights:** Pythagorean Theorem Solver, Trigonometry Functions, Instant Area and Perimeter Calculation, View Calculation Formulas, Input known measurements to find missing values

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Monthly Premium | $4.99 | per month |
| Premium Yearly | $19.99 | per year |


## Frequently asked questions

### Is iMath free?

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

### Is Triangle Calculator Pythagoras free?

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

### Which has better reviews, iMath or Triangle Calculator Pythagoras?

Triangle Calculator Pythagoras is rated higher. iMath averages 2.9 out of 5 from 7 ratings, while Triangle Calculator Pythagoras averages 4.0 from 1 ratings.

### Do iMath or Triangle Calculator Pythagoras have ads?

Triangle Calculator Pythagoras shows ads; iMath does not.

### Which is updated more often, iMath or Triangle Calculator Pythagoras?

iMath ships an update every 6 months, and Triangle Calculator Pythagoras monthly. Most recently, iMath was updated on October 23, 2026 and Triangle Calculator Pythagoras on October 24, 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.*