# Device Kit vs One Tool Box

The clearest difference is update cadence: Device Kit at every 10 days against One Tool Box's monthly. On price, ads, in-app purchases 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 and One Tool Box sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Device Kit ships an update every 10 days, One Tool Box monthly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Device Kit | One Tool Box |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | Freemium | — |
| Size | 36 MB | 16 MB |
| Requires iOS | **17.0** | 18.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shuyang Fan Ziyang Software Development Studio (Individually Owned Business)](https://appshunter.io/developer/1879334973) | [吉 汤](https://appshunter.io/developer/1564669378) |

## 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 |


### One Tool Box

[App page](https://appshunter.io/ios/app/one-tool-box/id6792082967)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Letters Export | $0.99 | one-time |


## Frequently asked questions

### Is Device Kit free?

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

### Is One Tool Box free?

One Tool Box is free to download, with in-app purchases available.

### Do Device Kit or One Tool Box have ads?

Neither Device Kit nor One Tool Box shows ads.

### Which is updated more often, Device Kit or One Tool Box?

Device Kit ships an update every 10 days, and One Tool Box monthly. Most recently, Device Kit was updated on October 28, 2026 and One Tool Box on October 25, 2026.

---

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