# e vs 墨水屏胸卡

The clearest difference is update cadence: e at fortnightly against 墨水屏胸卡's every 7 months. 墨水屏胸卡's advantage is iOS requirement (12.0 vs 14.0). 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 fortnightly, 墨水屏胸卡 every 7 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | e | 墨水屏胸卡 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 7 months |
| Size | 5 MB | 56 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [苏州易泰勒电子科技有限公司](https://appshunter.io/developer/1595521331) | [Bupin Electronics Technology Co.,Ltd.](https://appshunter.io/developer/1594833200) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-tag-20/id1595521329)

**Features:** macOS Compatibility

**In-app purchases:** none


### 墨水屏胸卡

[App page](https://appshunter.io/ios/app/id6746151561)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is e free?

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

### Is 墨水屏胸卡 free?

墨水屏胸卡 is free to download, with no in-app purchases.

### Do e or 墨水屏胸卡 have ads?

Neither e nor 墨水屏胸卡 shows ads.

### Which is updated more often, e or 墨水屏胸卡?

e ships an update fortnightly, and 墨水屏胸卡 every 7 months. Most recently, e was updated on October 27, 2026 and 墨水屏胸卡 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.*