# Simtek Sensors vs Cosmetic Clock

The clearest difference is in-app purchases: Simtek Sensors at none against Cosmetic Clock's 2. Simtek Sensors also leads on iOS requirement (16.0 vs 18.6). Cosmetic Clock's advantage is update cadence (every 5 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Cosmetic Clock sells 2 in-app purchases, starting at $1.99 per month. Simtek Sensors asks for nothing beyond the download.

Simtek Sensors ships an update every 5 weeks, Cosmetic Clock every 5 days. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Simtek Sensors | Cosmetic Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (7 ratings)](https://appshunter.io/ios/app/simtek-sensors/id1261698660/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 7 MB | 19 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Simtek, Inc.](https://appshunter.io/developer/1261698659) | [İnteryu Yazılım Ticaret A.Ş.](https://appshunter.io/developer/1836986939) |

## What reviewers say

### Simtek Sensors

[App page](https://appshunter.io/ios/app/simtek-sensors/id1261698660)

Monitor remote locations without Wi-Fi or power. Receive instant alerts on your phone when a sensor is triggered, enhancing security and peace of mind. Features include customizable messages, alert history, and low battery notifications.

**Highlights:** Remote space monitoring without Wi-Fi, Instant phone alerts (approx. 20 seconds), Customizable alert messages, Alert history tracking, Low battery notifications, Signal strength and battery status

**Features:** macOS Compatibility

**In-app purchases:** none


### Cosmetic Clock

[App page](https://appshunter.io/ios/app/cosmetic-clock/id6751819732)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cosmetic Clock Pro Monthly | $1.99 | per month |
| Cosmetic Clock Pro Yearly | $9.99 | per year |


## Frequently asked questions

### Is Simtek Sensors free?

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

### Is Cosmetic Clock free?

Cosmetic Clock is free to download, with in-app purchases available.

### Do Simtek Sensors or Cosmetic Clock have ads?

Both Simtek Sensors and Cosmetic Clock show ads.

### Which is updated more often, Simtek Sensors or Cosmetic Clock?

Simtek Sensors ships an update every 5 weeks, and Cosmetic Clock every 5 days. Most recently, Simtek Sensors was updated on November 2, 2026 and Cosmetic Clock on November 8, 2026.

---

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