# E vs Zofen

The clearest difference is update cadence: Zofen at every 3 days against E's every 6 weeks. Zofen also leads on iOS requirement (15.1 vs 18.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

E ships an update every 6 weeks, Zofen every 3 days. The most recent releases landed on September 9, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | E | Zofen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Size | 14 MB | 34 MB |
| Requires iOS | 18.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vladislav Aliev](https://appshunter.io/developer/1871109100) | [Pavel Borodin](https://appshunter.io/developer/1829692437) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-matrix-focus/id6758135959)

**Features:** macOS Compatibility

**In-app purchases:** none


### Zofen

[App page](https://appshunter.io/ios/app/zofen/id6787592918)

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

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is Zofen free?

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

### Do E or Zofen have ads?

Neither E nor Zofen shows ads.

### Which is updated more often, E or Zofen?

E ships an update every 6 weeks, and Zofen every 3 days. Most recently, E was updated on September 9, 2026 and Zofen on September 13, 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.*