# Build vs Owl Genius

The clearest difference is iOS requirement: Owl Genius at 13.0 against Build's 17.6. On price, update cadence, 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.

Build ships an update fortnightly, Owl Genius every 3 weeks. The most recent releases landed on June 1, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Build | Owl Genius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/build-a-math/id1521174530/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free | — |
| Size | 1 MB | 20 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Weiran Ye](https://appshunter.io/developer/481592104) | [Amine Kettani](https://appshunter.io/developer/6772503482) |

## What reviewers say

### Build

[App page](https://appshunter.io/ios/app/build-a-math/id1521174530)

This app offers short, focused math drills for addition, subtraction, multiplication, and division. It provides instant feedback and tracks progress through engaging sessions designed for quick practice.

**Highlights:** Short, focused math practice sessions, Master addition, subtraction, multiplication, division, Instant feedback with haptics, color, and sound, Smart question rotation for confidence, Progress tracking and summaries, Works offline, no ads, no accounts

**Features:** macOS Compatibility

**In-app purchases:** none


### Owl Genius

[App page](https://appshunter.io/ios/app/owl-genius-math-adventures/id6780882264)

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

**In-app purchases:** none


## Frequently asked questions

### Is Build free?

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

### Is Owl Genius free?

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

### Do Build or Owl Genius have ads?

Neither Build nor Owl Genius shows ads.

### Which is updated more often, Build or Owl Genius?

Build ships an update fortnightly, and Owl Genius every 3 weeks. Most recently, Build was updated on June 1, 2026 and Owl Genius on September 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.*