# Device Kit vs CoolMonitor

The clearest difference is in-app purchases: CoolMonitor at none against Device Kit's 4. Device Kit's advantage is update cadence (every 10 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

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

Device Kit ships an update every 10 days, CoolMonitor every 3 weeks. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Device Kit | CoolMonitor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (90 ratings)](https://appshunter.io/ios/app/device-kit-phone-temperature/id6761011882/reviews)** | — |
| Number of ratings | **90** | — |
| Positive reviews | 77.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 36 MB | 12 MB |
| Requires iOS | 17.0 | **16.1** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Shuyang Fan Ziyang Software Development Studio (Individually Owned Business)](https://appshunter.io/developer/1879334973) | [Zhangsan Software Co., Ltd., Enshi Prefecture, Hubei Province](https://appshunter.io/developer/1838713545) |

## 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 |


### CoolMonitor

[App page](https://appshunter.io/ios/app/coolmonitor/id6792966365)

**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 CoolMonitor free?

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

### Do Device Kit or CoolMonitor have ads?

Neither Device Kit nor CoolMonitor shows ads.

### Which is updated more often, Device Kit or CoolMonitor?

Device Kit ships an update every 10 days, and CoolMonitor every 3 weeks. Most recently, Device Kit was updated on October 28, 2026 and CoolMonitor on October 29, 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.*