# Isosceles Triangle vs Geometry Calculator Plus

The clearest difference is price: Isosceles Triangle at Free against Geometry Calculator Plus's $2.99. Isosceles Triangle also leads on update cadence (every 3 weeks vs every 23 months) and iOS requirement (15.0 vs 17.0). Geometry Calculator Plus's advantage is in-app purchases (none vs 8). On ads and device support there is nothing between them.

Isosceles Triangle is free to download; Geometry Calculator Plus costs $2.99 up front. Isosceles Triangle sells 8 one-off in-app purchases. Geometry Calculator Plus asks for nothing beyond the download.

Isosceles Triangle ships an update every 3 weeks, Geometry Calculator Plus every 23 months. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Isosceles Triangle | Geometry Calculator Plus |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 23 months |
| Size | 180 MB | 1 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) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### Isosceles Triangle

[App page](https://appshunter.io/ios/app/isosceles-triangle/id1568944138)

**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 |
| +150 User Tokens | $0.99 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $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 |


### Geometry Calculator Plus

[App page](https://appshunter.io/ios/app/geometry-calculator-plus/id1631941395)

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

**In-app purchases:** none


## Frequently asked questions

### Is Isosceles Triangle free?

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

### Is Geometry Calculator Plus free?

Geometry Calculator Plus costs $2.99, with no in-app purchases.

### Do Isosceles Triangle or Geometry Calculator Plus have ads?

Neither Isosceles Triangle nor Geometry Calculator Plus shows ads.

### Which is updated more often, Isosceles Triangle or Geometry Calculator Plus?

Isosceles Triangle ships an update every 3 weeks, and Geometry Calculator Plus every 23 months. Most recently, Isosceles Triangle was updated on October 25, 2026 and Geometry Calculator Plus on October 12, 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.*