# EinkPin vs WS ETag

The clearest difference is update cadence: EinkPin at every 9 days against WS ETag's every 3 weeks. 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.

EinkPin ships an update every 9 days, WS ETag every 3 weeks. The most recent releases landed on October 5, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | EinkPin | WS ETag |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 3 MB | 1 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Zizai Technology Co.,Ltd.](https://appshunter.io/developer/736738603) | [伟标 杨](https://appshunter.io/developer/1163606756) |

## What reviewers say

### EinkPin

[App page](https://appshunter.io/ios/app/einkpin/id6793908983)

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

**In-app purchases:** none


### WS ETag

[App page](https://appshunter.io/ios/app/ws-etag/id6796728687)

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

**In-app purchases:** none


## Frequently asked questions

### Is EinkPin free?

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

### Is WS ETag free?

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

### Do EinkPin or WS ETag have ads?

Neither EinkPin nor WS ETag shows ads.

### Which is updated more often, EinkPin or WS ETag?

EinkPin ships an update every 9 days, and WS ETag every 3 weeks. Most recently, EinkPin was updated on October 5, 2026 and WS ETag on October 29, 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.*