# Right Triangle vs Triangle Calculator Pythagoras

The clearest difference is ads: Right Triangle at none against Triangle Calculator Pythagoras's shown. Right Triangle also leads on ratings volume (6 vs 1) and iOS requirement (15.0 vs 17.0). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. Right Triangle sells 8 one-off in-app purchases and Triangle Calculator Pythagoras sells 5 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Triangle Calculator Pythagoras holds the better App Store score, 4.0 against 3.8. That said, the two scores are not equally well evidenced: Right Triangle has 6 ratings behind it against 1, so its average is the more settled of the two.

Right Triangle ships an update every 3 weeks, Triangle Calculator Pythagoras every 11 days. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Right Triangle | Triangle Calculator Pythagoras |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (6 ratings)](https://appshunter.io/ios/app/right-triangle-calculator/id1567415770/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/triangle-calculator-pythagoras/id1600108278/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 180 MB | 22 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [Muhammed Samil DEMIR](https://appshunter.io/developer/1600108280) |

## What reviewers say

### Right Triangle

[App page](https://appshunter.io/ios/app/right-triangle-calculator/id1567415770)

Instantly solve geometry homework and prepare for exams with this free calculator. It provides complete step-by-step solutions for all triangle quantities, including legs, hypotenuse, height, angles, perimeter, and area. Access learning videos and manage your solutions.

**Highlights:** Step-by-step solutions, Calculates legs, hypotenuse, height, angles, perimeter, area, Supports all length units, Curated learning videos, Feedback on incorrect inputs, Manage saved solutions

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Remove Ads | $2.99 | one-time |
| Lifetime Access | $2.99 | one-time |


### Triangle Calculator Pythagoras

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

Solve for missing sides and angles in right and any triangle. Visualize results with values on the drawing and view step-by-step solutions. Includes a formula library and calculation history.

**Highlights:** Right triangle solver, Any triangle solver (SSS, SAS, ASA, AAS, SSA), Visual triangle drawing with values, Step-by-step formula explanations, Formula library, Calculation history, Degrees, minutes, seconds angle input (Pro)

**Features:** macOS Compatibility, Family Sharing, iPhone Duo support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Monthly Premium | $4.99 | per month |
| Premium Yearly | $24.99 | per year |
| Pro Lifetime | $29.99 | one-time |
| Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Right Triangle free?

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

### Is Triangle Calculator Pythagoras free?

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

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

Triangle Calculator Pythagoras is rated higher. Right Triangle averages 3.8 out of 5 from 6 ratings, while Triangle Calculator Pythagoras averages 4.0 from 1 ratings.

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

Triangle Calculator Pythagoras shows ads; Right Triangle does not.

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

Right Triangle ships an update every 3 weeks, and Triangle Calculator Pythagoras every 11 days. Most recently, Right Triangle was updated on November 7, 2026 and Triangle Calculator Pythagoras on November 3, 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.*