# Device Kit vs VivoKey Thermo Reader

The clearest difference is in-app purchases: VivoKey Thermo Reader at none against Device Kit's 4. 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. VivoKey Thermo Reader asks for nothing beyond the download.

## The numbers

| Metric | Device Kit | VivoKey Thermo Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (89 ratings)](https://appshunter.io/ios/app/device-kit-phone-temperature/id6761011882/reviews)** | — |
| Number of ratings | **89** | — |
| Positive reviews | 77.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | Freemium | — |
| Size | 36 MB | 1 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shuyang Fan Ziyang Software Development Studio (Individually Owned Business)](https://appshunter.io/developer/1879334973) | [PETR ZIEGNER](https://appshunter.io/developer/6798405875) |

## 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 |


### VivoKey Thermo Reader

[App page](https://appshunter.io/ios/app/vivokey-thermo-reader/id6798405873)

**In-app purchases:** none


## Frequently asked questions

### Is Device Kit free?

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

### Is VivoKey Thermo Reader free?

VivoKey Thermo Reader is free to download, with no in-app purchases.

### Do Device Kit or VivoKey Thermo Reader have ads?

Neither Device Kit nor VivoKey Thermo Reader shows ads.

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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.*