# PowerProbe vs OBDSTAR

The clearest difference is review sentiment: PowerProbe at 50% against OBDSTAR's 0%. PowerProbe also leads on rating (2.6 vs 1.5) and ads (none vs shown). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PowerProbe holds the better App Store score, 2.6 against 1.5. Both are backed by a comparable volume of ratings — 7 and 4 respectively. Written reviews point the same way: 50% of PowerProbe's written reviews are positive against 0% of OBDSTAR's.

PowerProbe ships an update every 4 months, OBDSTAR every 6 months. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | PowerProbe | OBDSTAR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (7 ratings)](https://appshunter.io/ios/app/powerprobe/id1643521445/reviews)** | [1.5 (4 ratings)](https://appshunter.io/ios/app/obdstar/id6447170127/reviews) |
| Number of ratings | **7** | 4 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | **Free** | Ad-supported |
| Size | 37 MB | 122 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [MGL APPA CORPORATION](https://appshunter.io/developer/1121102475) | [深圳市轩宇车鼎科技有限公司](https://appshunter.io/developer/1680461221) |

## What reviewers say

### PowerProbe

[App page](https://appshunter.io/ios/app/powerprobe/id1643521445)

This app connects to a circuit tester for advanced vehicle electrical diagnosis. It displays real-time readings, offers an oscilloscope mode for intuitive curve visualization, and provides diagnostic functions like voltmeter and resistance testing. Users can also save and share data, and access learning videos.

**Highlights:** Real-time circuit readings, Oscilloscope mode, DC and AC voltmeter, Resistance testing, Fuel-injector test mode, Data saving and sharing, EZ Learning videos

**Features:** macOS Compatibility

**In-app purchases:** none


### OBDSTAR

[App page](https://appshunter.io/ios/app/obdstar/id6447170127)

A handheld maintenance database for technicians, offering technical support, data queries, video viewing, and after-sales consultation. It provides a comprehensive database for automotive, motorcycle, and marine maintenance, aiming for efficient and professional service.

**Highlights:** Handheld maintenance database, Technical support, Data query, Video viewing, After-sales consultation, Comprehensive maintenance data

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

**In-app purchases:** none


## Frequently asked questions

### Is PowerProbe free?

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

### Is OBDSTAR free?

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

### Which has better reviews, PowerProbe or OBDSTAR?

PowerProbe is rated higher. PowerProbe averages 2.6 out of 5 from 7 ratings, while OBDSTAR averages 1.5 from 4 ratings.

### Do PowerProbe or OBDSTAR have ads?

OBDSTAR shows ads; PowerProbe does not.

### Which is updated more often, PowerProbe or OBDSTAR?

PowerProbe ships an update every 4 months, and OBDSTAR every 6 months. Most recently, PowerProbe was updated on October 7, 2026 and OBDSTAR on October 9, 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.*