# PowerProbe vs DirectLoader

The clearest difference is rating: DirectLoader at 3.4 against PowerProbe's 2.6. PowerProbe's advantage is iOS requirement (12.0 vs 15.6). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

DirectLoader holds the better App Store score, 3.4 against 2.6. Both are backed by a comparable volume of ratings — 7 and 5 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

PowerProbe ships an update every 4 months, DirectLoader every 3 months. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | PowerProbe | DirectLoader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (7 ratings)](https://appshunter.io/ios/app/powerprobe/id1643521445/reviews) | **[3.4 (5 ratings)](https://appshunter.io/ios/app/directloader/id6449791353/reviews)** |
| Number of ratings | **7** | 5 |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 37 MB | 23 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [MGL APPA CORPORATION](https://appshunter.io/developer/1121102475) | [VOXX Electronics Corp](https://appshunter.io/developer/1022024144) |

## 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


### DirectLoader

[App page](https://appshunter.io/ios/app/directloader/id6449791353)

This app allows authorized installers to wirelessly flash and program select remote start and security systems. It provides access to vehicle wiring databases, installation guides, and technical updates for DIRECTED by VOXX products.

**Highlights:** Wireless flashing for DS4/DS4+ modules, Wired/Wireless flashing for DBALL2, DB3, DS3/DS3+ modules, Wired/Wireless 'Bitwriter' programming, DirectWire vehicle wiring database access, Installation guides and technical news, SmartStart activation

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PowerProbe free?

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

### Is DirectLoader free?

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

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

DirectLoader is rated higher. PowerProbe averages 2.6 out of 5 from 7 ratings, while DirectLoader averages 3.4 from 5 ratings.

### Do PowerProbe or DirectLoader have ads?

Neither PowerProbe nor DirectLoader shows ads.

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

PowerProbe ships an update every 4 months, and DirectLoader every 3 months. Most recently, PowerProbe was updated on October 7, 2026 and DirectLoader on October 10, 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.*