# 壹印 vs Device Lab

The clearest difference is price: 壹印 at Free against Device Lab's $3.99. 壹印 also leads on iOS requirement (15.0 vs 17.0). Device Lab's advantage is in-app purchases (none vs 7) and update cadence (every 2 days vs every 2 weeks). On ads and device support there is nothing between them.

壹印 is free to download; Device Lab costs $3.99 up front. 壹印 sells 7 one-off in-app purchases. Device Lab asks for nothing beyond the download.

壹印 ships an update every 2 weeks, Device Lab every 2 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 壹印 | Device Lab |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | — | **[5.0 (24 ratings)](https://appshunter.io/ios/app/device-lab/id6757624445/reviews)** |
| Number of ratings | — | **24** |
| Positive reviews | — | 95.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | — | Paid |
| Size | 68 MB | 33 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [悦波 卢](https://appshunter.io/developer/1755396829) | [广聪 钟](https://appshunter.io/developer/1867790847) |

## What reviewers say

### 壹印

[App page](https://appshunter.io/ios/app/id6541753952)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $0.99 | one-time |
| 月度会员 | $1.99 | one-time |
| 季度会员 | $1.99 | one-time |
| 季度会员 | $3.99 | one-time |
| 年度会员 | $8.99 | one-time |
| 年度会员 | $14.99 | one-time |
| 永久会员 | $19.99 | one-time |


### Device Lab

[App page](https://appshunter.io/ios/app/device-lab/id6757624445)

This app provides detailed information about your device's hardware and chips. It offers system monitoring, parameter organization, chip and device comparisons, and useful tools to help you understand and manage your devices more effectively. All core functions run locally without requiring login.

**Highlights:** Hardware status monitoring, Chip and device parameter organization, Chip and device comparison, System information viewer, Performance reference and testing tools, Local-first operation, Ad-free and push-free experience

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is 壹印 free?

壹印 is free to download, with in-app purchases available.

### Is Device Lab free?

Device Lab costs $3.99, with no in-app purchases.

### Do 壹印 or Device Lab have ads?

Neither 壹印 nor Device Lab shows ads.

### Which is updated more often, 壹印 or Device Lab?

壹印 ships an update every 2 weeks, and Device Lab every 2 days. Most recently, 壹印 was updated on October 25, 2026 and Device Lab 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.*