# Device Kit vs Inform SRU

The clearest difference is in-app purchases: Inform SRU at none against Device Kit's 4. Inform SRU also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Device Kit sells 4 in-app purchases, starting at $3.99 per month. Inform SRU asks for nothing beyond the download.

Device Kit ships an update every 10 days, Inform SRU every 6 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Device Kit | Inform SRU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (93 ratings)](https://appshunter.io/ios/app/device-kit-phone-temperature/id6761011882/reviews)** | — |
| Number of ratings | **93** | — |
| Positive reviews | 77.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 6 days** |
| Monetization | Freemium | — |
| Size | 36 MB | 29 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shuyang Fan Ziyang Software Development Studio (Individually Owned Business)](https://appshunter.io/developer/1879334973) | [Bangladesh Police](https://appshunter.io/developer/1169481449) |

## What reviewers say

### Device Kit

[App page](https://appshunter.io/ios/app/device-kit-phone-temperature/id6761011882)

Monitor your device's hardware performance in real-time with detailed CPU, memory, and battery usage. Access a suite of practical tools including weather, network diagnostics, and sensors. Visualize historical data with customizable charts and home screen widgets.

**Highlights:** Real-time CPU, memory, and battery monitoring, Visual data charts for performance trends, Picture-in-Picture mode for continuous monitoring, Customizable home screen widgets, Pro Toolbox with system, environment, and network tools, Sensor data including compass and barometer

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $3.99 | per month |
| Yearly subscription | $7.99 | per year |
| Lifetime Membership | $12.99 | one-time |
| Lifetime Membership | $14.99 | one-time |


### Inform SRU

[App page](https://appshunter.io/ios/app/inform-sru/id6784361898)

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

**In-app purchases:** none


## Frequently asked questions

### Is Device Kit free?

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

### Is Inform SRU free?

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

### Do Device Kit or Inform SRU have ads?

Neither Device Kit nor Inform SRU shows ads.

### Which is updated more often, Device Kit or Inform SRU?

Device Kit ships an update every 10 days, and Inform SRU every 6 days. Most recently, Device Kit was updated on October 31, 2026 and Inform SRU on October 28, 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.*