# X vs Wave Key

The clearest difference is rating: Wave Key at 5.0 against X's 1.0. Wave Key also leads on iOS requirement (15.0 vs 18.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

Wave Key holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 9, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | X | Wave Key |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/x-sor/id1321477396/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wave-key/id1624913474/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 22 MB | 10 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [X-SOR AG](https://appshunter.io/developer/1154444073) | [UniKey Technologies Inc.](https://appshunter.io/developer/584511850) |

## What reviewers say

### X

[App page](https://appshunter.io/ios/app/x-sor/id1321477396)

Monitor humidity and temperature with WiFi sensors that send data to this app. Receive automatic alerts when values exceed set thresholds. View historical data and sensor battery status.

**Highlights:** Real-time humidity and temperature monitoring, Customizable threshold alerts, Historical data viewing, Sensor battery status display, High accuracy measurements (+/- 2% RH)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wave Key

[App page](https://appshunter.io/ios/app/wave-key/id1624913474)

Unlock doors using your smartphone, eliminating the need for physical keys or keycards. Easily manage access for multiple users and locations, and generate new credentials instantly via email.

**Highlights:** Keyless smartphone unlocking, Access management for multiple locations, Unlimited user scheduling, Instant credential generation, Email-based key distribution

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is X free?

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

### Is Wave Key free?

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

### Which has better reviews, X or Wave Key?

Wave Key is rated higher. X averages 1.0 out of 5 from 2 ratings, while Wave Key averages 5.0 from 1 ratings.

### Do X or Wave Key have ads?

Neither X nor Wave Key shows ads.

### Which is updated more often, X or Wave Key?

X ships an update every 3 months, and Wave Key every 3 months. Most recently, X was updated on September 9, 2026 and Wave Key on June 5, 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.*