# ESL System｜ vs e

The clearest difference is update cadence: ESL System｜ at every 2 weeks against e's every 3 months. 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.

ESL System｜ ships an update every 2 weeks, e every 3 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | ESL System｜ | e |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Size | 42 MB | 30 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Soarfree](https://appshunter.io/developer/1746430123) | [苏州易泰勒电子科技有限公司](https://appshunter.io/developer/1595521331) |

## What reviewers say

### ESL System｜

[App page](https://appshunter.io/ios/app/esl-system/id6502671453)

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

**In-app purchases:** none


### e

[App page](https://appshunter.io/ios/app/e-cms/id6752689406)

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

**In-app purchases:** none


## Frequently asked questions

### Is ESL System｜ free?

ESL System｜ is free to download, with no in-app purchases.

### Is e free?

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

### Do ESL System｜ or e have ads?

Neither ESL System｜ nor e shows ads.

### Which is updated more often, ESL System｜ or e?

ESL System｜ ships an update every 2 weeks, and e every 3 months. Most recently, ESL System｜ was updated on October 25, 2026 and e on October 25, 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.*