# Algorithms HQ vs TriGoTriFree

The clearest difference is update cadence: TriGoTriFree at every 5 months against Algorithms HQ's every 16 months. TriGoTriFree also leads on device support (3 vs 1) and iOS requirement (7.0 vs 15.6). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Algorithms HQ ships an update every 16 months, TriGoTriFree every 5 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Algorithms HQ | TriGoTriFree |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/algorithms-hq/id660610218/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 3 MB | 36 MB |
| Requires iOS | 15.6 | **7.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cyril Carrez](https://appshunter.io/developer/660610221) | [Giovanni Bellu'](https://appshunter.io/developer/656437500) |

## What reviewers say

### Algorithms HQ

[App page](https://appshunter.io/ios/app/algorithms-hq/id660610218)

Learn computer science algorithms through interactive animations. Visualize data manipulation and execution step-by-step with pseudo-code tracking and variable value updates. Quickly reference algorithm characteristics and customize input data for deeper understanding.

**Highlights:** Animated algorithm execution, Step-by-step instruction control, Pseudo-code and variable tracking, Customizable input data, Algorithm reference guide, Data structure evolution visualization

**Features:** macOS Compatibility

**In-app purchases:** none


### TriGoTriFree

[App page](https://appshunter.io/ios/app/trigotrifree/id744433892)

This educational app helps solve triangle problems. It offers a free version for right-angled triangles and a full version for general triangles. Users can easily select different triangle cases to solve.

**Highlights:** Solve right-angled triangles, Select various triangle cases, Educational tool for geometry, Free functionality for basic cases, Upgrade available for general triangles

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Algorithms HQ free?

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

### Is TriGoTriFree free?

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

### Do Algorithms HQ or TriGoTriFree have ads?

Neither Algorithms HQ nor TriGoTriFree shows ads.

### Which is updated more often, Algorithms HQ or TriGoTriFree?

Algorithms HQ ships an update every 16 months, and TriGoTriFree every 5 months. Most recently, Algorithms HQ was updated on November 1, 2026 and TriGoTriFree on November 1, 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.*