# Erla vs MathXP

The clearest difference is in-app purchases: MathXP at none against Erla's 2. MathXP also leads on iOS requirement (13.0 vs 15.0). Erla's advantage is update cadence (every 9 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Erla sells 2 in-app purchases, starting at $12.99 per month. MathXP asks for nothing beyond the download.

Erla ships an update every 9 days, MathXP every 2 months. Both last shipped on November 5, 2026.

## The numbers

| Metric | Erla | MathXP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Size | 71 MB | 28 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandr Shelestov PR JustOneDev](https://appshunter.io/developer/506634828) | [BeeVPN ApS](https://appshunter.io/developer/1882191534) |

## What reviewers say

### Erla

[App page](https://appshunter.io/ios/app/erla-learn-norwegian-with-ai/id6755527204)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Erla Pro Monthly | $12.99 | per month |
| Erla Pro Annual | $59.99 | per year |


### MathXP

[App page](https://appshunter.io/ios/app/mathxp/id6759995307)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Erla free?

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

### Is MathXP free?

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

### Do Erla or MathXP have ads?

Neither Erla nor MathXP shows ads.

### Which is updated more often, Erla or MathXP?

Erla ships an update every 9 days, and MathXP every 2 months. Most recently, Erla was updated on November 5, 2026 and MathXP on November 5, 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.*