# Algorithms HQ vs Dunbar148 (Dunbar)

The clearest difference is update cadence: Dunbar148 (Dunbar) at every 3 weeks against Algorithms HQ's every 16 months. Dunbar148 (Dunbar) also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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, Dunbar148 (Dunbar) every 3 weeks. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Algorithms HQ | Dunbar148 (Dunbar) |
| --- | --- | --- |
| 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 | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 3 MB | 51 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Cyril Carrez](https://appshunter.io/developer/660610221) | [Dunbar App Inc.](https://appshunter.io/developer/1711677340) |

## 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


### Dunbar148 (Dunbar)

[App page](https://appshunter.io/ios/app/dunbar148-dunbar/id6469200374)

**In-app purchases:** none


## Frequently asked questions

### Is Algorithms HQ free?

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

### Is Dunbar148 (Dunbar) free?

Dunbar148 (Dunbar) is free to download, with no in-app purchases.

### Do Algorithms HQ or Dunbar148 (Dunbar) have ads?

Neither Algorithms HQ nor Dunbar148 (Dunbar) shows ads.

### Which is updated more often, Algorithms HQ or Dunbar148 (Dunbar)?

Algorithms HQ ships an update every 16 months, and Dunbar148 (Dunbar) every 3 weeks. Most recently, Algorithms HQ was updated on November 1, 2026 and Dunbar148 (Dunbar) on November 7, 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.*