# E vs ProximiKey

The clearest difference is iOS requirement: E at 10.0 against ProximiKey's 13.0. On price, update cadence, ads and in-app purchases 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 11 months, ProximiKey every 13 months. The most recent releases landed on October 19, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | E | ProximiKey |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 13 months |
| Size | 24 MB | 18 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mark Deelman](https://appshunter.io/developer/1016458734) | [ProximiKey Aps](https://appshunter.io/developer/1679585132) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-locks/id1016458735)

**Features:** macOS Compatibility

**In-app purchases:** none


### ProximiKey

[App page](https://appshunter.io/ios/app/proximikey/id1602133200)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is ProximiKey free?

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

### Do E or ProximiKey have ads?

Neither E nor ProximiKey shows ads.

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

E ships an update every 11 months, and ProximiKey every 13 months. Most recently, E was updated on October 19, 2026 and ProximiKey on October 7, 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.*