# Sensor+Test vs Check My Device

The clearest difference is in-app purchases: Sensor+Test at none against Check My Device's 3. Sensor+Test also leads on ads (none vs shown) and iOS requirement (8.1 vs 17.6). Check My Device's advantage is update cadence (every 3 months vs every 12 months). On price and device support there is nothing between them.

Both are free to download. Check My Device sells 3 in-app purchases, starting at $0.99 per 7 days. Sensor+Test asks for nothing beyond the download.

Sensor+Test ships an update every 12 months, Check My Device every 3 months. The most recent releases landed on September 28, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Sensor+Test | Check My Device |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (93 ratings)](https://appshunter.io/ios/app/check-my-device-40-plus-tests/id1296632315/reviews)** |
| Number of ratings | — | **93** |
| Positive reviews | — | 47.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 36 MB |
| Requires iOS | **8.1** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Internet Marketing Services GmbH](https://appshunter.io/developer/397085243) | [Dropouts Technologies LLP](https://appshunter.io/developer/575481782) |

## What reviewers say

### Sensor+Test

[App page](https://appshunter.io/ios/app/sensor-plus-test/id990216934)

**Features:** macOS Compatibility

**In-app purchases:** none


### Check My Device

[App page](https://appshunter.io/ios/app/check-my-device-40-plus-tests/id1296632315)

Thoroughly test your iPhone or iPad's display, sensors, connectivity, and other components. Ideal for verifying device functionality before buying, selling, or for long-term use.

**Highlights:** Screen and display tests, Multimedia component tests, Sensor diagnostics, Device parts testing, Connectivity checks, Warranty and damage checks

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| Lifetime Discounted Unlock | $3.99 | one-time |
| Lifetime Unlock | $7.99 | one-time |


## Frequently asked questions

### Is Sensor+Test free?

Sensor+Test is free to download, with no in-app purchases.

### Is Check My Device free?

Check My Device is free to download, with in-app purchases available.

### Do Sensor+Test or Check My Device have ads?

Check My Device shows ads; Sensor+Test does not.

### Which is updated more often, Sensor+Test or Check My Device?

Sensor+Test ships an update every 12 months, and Check My Device every 3 months. Most recently, Sensor+Test was updated on September 28, 2026 and Check My Device on October 13, 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.*