# E vs ZkongESL

E and ZkongESL are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

E ships an update every 3 weeks, ZkongESL every 5 weeks. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | E | ZkongESL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 29 MB | 34 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [苏州易泰勒电子科技有限公司](https://appshunter.io/developer/1595521331) | [Hangzhou Zhikong Network Co.,Ltd.](https://appshunter.io/developer/1319749109) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-label/id1644798440)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZkongESL

[App page](https://appshunter.io/ios/app/zkongesl/id6463396987)

**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 ZkongESL free?

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

### Do E or ZkongESL have ads?

Neither E nor ZkongESL shows ads.

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

E ships an update every 3 weeks, and ZkongESL every 5 weeks. Most recently, E was updated on October 27, 2026 and ZkongESL 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.*