# MathsEng vs Voicion

The clearest difference is in-app purchases: MathsEng at none against Voicion's 4. Voicion's advantage is update cadence (every 4 days vs every 2 months) and iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Voicion sells 4 in-app purchases, starting at $6.99 per 7 days. MathsEng asks for nothing beyond the download.

MathsEng ships an update every 2 months, Voicion every 4 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | MathsEng | Voicion |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 37 MB | 164 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [GIRIFT EGITIM TEKNOLOJILERI YAZILIM VE DANISMANLIK SANAYI VE TICARET LIMITED SIRKETI](https://appshunter.io/developer/1600280720) | [Kanat Yeleussiz](https://appshunter.io/developer/1786133182) |

## What reviewers say

### MathsEng

[App page](https://appshunter.io/ios/app/mathseng/id6747973455)

**Features:** macOS Compatibility

**In-app purchases:** none


### Voicion

[App page](https://appshunter.io/ios/app/voicion-ai-study-notes-and-quiz/id6752231879)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Monthly | $14.99 | per month |
| Annual — Special Offer | $29.99 | per year |
| Annual | $59.99 | per year |


## Frequently asked questions

### Is MathsEng free?

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

### Is Voicion free?

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

### Do MathsEng or Voicion have ads?

Neither MathsEng nor Voicion shows ads.

### Which is updated more often, MathsEng or Voicion?

MathsEng ships an update every 2 months, and Voicion every 4 days. Most recently, MathsEng was updated on October 30, 2026 and Voicion on October 30, 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.*