# POWER vs Device Lab

The clearest difference is review sentiment: Device Lab at 95% against POWER's 0%. Device Lab also leads on rating (5.0 vs 1.0) and ratings volume (24 vs 4). POWER's advantage is price (Free vs $3.99) and iOS requirement (15.6 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

POWER is free to download; Device Lab costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Device Lab holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Device Lab has 24 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of POWER's written reviews are positive against 95% of Device Lab's.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | POWER | Device Lab |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [1.0 (4 ratings)](https://appshunter.io/ios/app/power-z/id6754865141/reviews) | **[5.0 (24 ratings)](https://appshunter.io/ios/app/device-lab/id6757624445/reviews)** |
| Number of ratings | 4 | **24** |
| Positive reviews | 0.0% of reviews | **95.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 days | Every 2 days |
| Monetization | **Free** | Paid |
| Size | 1 MB | 33 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Paoer Tool Co., Ltd.](https://appshunter.io/developer/1850627339) | [广聪 钟](https://appshunter.io/developer/1867790847) |

## What reviewers say

### POWER

[App page](https://appshunter.io/ios/app/power-z/id6754865141)

This utility tool accurately measures your device's charging power using intelligent algorithms. It also identifies your device model and system version, giving you complete control over your charging status. Practical and convenient for all your charging needs.

**Highlights:** Accurate charging power measurement, Intelligent algorithm utilization, Device model identification, System version recognition, Real-time charging status monitoring

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

**In-app purchases:** none


### 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

**In-app purchases:** none


## Frequently asked questions

### Is POWER free?

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

### Is Device Lab free?

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

### Which has better reviews, POWER or Device Lab?

Device Lab is rated higher. POWER averages 1.0 out of 5 from 4 ratings, while Device Lab averages 5.0 from 24 ratings.

### Do POWER or Device Lab have ads?

Neither POWER nor Device Lab shows ads.

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

POWER ships an update every 2 days, and Device Lab every 2 days. Most recently, POWER was updated on October 24, 2026 and Device Lab on October 25, 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.*