# iokey vs RexWatchAlarm

The clearest difference is update cadence: RexWatchAlarm at every 2 weeks against iokey's every 4 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.

iokey ships an update every 4 months, RexWatchAlarm every 2 weeks. The most recent releases landed on September 24, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | iokey | RexWatchAlarm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 14 MB | 33 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dambee Technology Co., Ltd.](https://appshunter.io/developer/1470217773) | [Rexgen Inc.](https://appshunter.io/developer/1811293162) |

## What reviewers say

### iokey

[App page](https://appshunter.io/ios/app/iokey/id1502213625)

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

**In-app purchases:** none


### RexWatchAlarm

[App page](https://appshunter.io/ios/app/rexwatchalarm/id6745206060)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iokey free?

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

### Is RexWatchAlarm free?

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

### Do iokey or RexWatchAlarm have ads?

Neither iokey nor RexWatchAlarm shows ads.

### Which is updated more often, iokey or RexWatchAlarm?

iokey ships an update every 4 months, and RexWatchAlarm every 2 weeks. Most recently, iokey was updated on September 24, 2026 and RexWatchAlarm on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*