# MathByte vs GetPrincipia

The clearest difference is in-app purchases: MathByte at none against GetPrincipia's 2. MathByte also leads on update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. GetPrincipia sells 2 in-app purchases, starting at $6.99 per month. MathByte asks for nothing beyond the download.

MathByte ships an update fortnightly, GetPrincipia every 2 months. The most recent releases landed on September 10, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | MathByte | GetPrincipia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/mathbyte/id6503674035/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 2 MB | 38 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aditi Agarwal](https://appshunter.io/developer/1699739310) | [Axiom 38 LLC](https://appshunter.io/developer/1887968723) |

## What reviewers say

### MathByte

[App page](https://appshunter.io/ios/app/mathbyte/id6503674035)

Learn math with engaging lessons, detailed articles, and visual videos. Practice your skills with instant feedback quizzes. Suitable for all levels, from middle school to advanced learners.

**Highlights:** Math articles and explanations, Educational videos, Hands-on quizzes with instant scoring, Learn at your own pace, Covers various math topics, Free learning resources

**Features:** macOS Compatibility

**In-app purchases:** none


### GetPrincipia

[App page](https://appshunter.io/ios/app/getprincipia/id6761139348)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Annual | $44.99 | per year |


## Frequently asked questions

### Is MathByte free?

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

### Is GetPrincipia free?

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

### Do MathByte or GetPrincipia have ads?

Neither MathByte nor GetPrincipia shows ads.

### Which is updated more often, MathByte or GetPrincipia?

MathByte ships an update fortnightly, and GetPrincipia every 2 months. Most recently, MathByte was updated on September 10, 2026 and GetPrincipia on September 14, 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.*