PowerProbe vs PredatorX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PowerProbe
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.
- Real-time circuit readings
- Oscilloscope mode
- DC and AC voltmeter
- Resistance testing
- Fuel-injector test mode
- Data saving and sharing
- EZ Learning videos
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With the PowerProbe app users can get connected to the PowerProbe Maestro, which is a last generation circuit tester used to develop electrical diagnosis in the vehicles. The PowerProbe app shows the same readings that can be seen in the Maestro display, as well as carry out additional functions, as oscilloscope mode which allows to see different curves on the smartphone or tablet display in real time, being much more practical and intuitive than the numerical results. Maestro is the top of our professional tool range develop for an advance vehicle diagnosis. With powerful multimeter functions, advanced diagnostic modes, easy to read LCD display, and a new rugged dust and water resistant housing, the Maestro has been designed to give years of trouble free testing. Moreover, the PowerProbe app expands the tool capabilities and give the user access to answers that are required. Using the PowerProbe app, users can get the most out of the circuit tester Maestro.The following are the functions that can be displayed on the PowerProbe app: • DC voltmeter with the capability of applying battery supplied voltage or ground • AC voltmeter: TRMS, peak-to peak /min/max, frequency, duty cycle • Resistance testing with a live or unloaded circuit • Fuel-injector test mode • EZ Learning videos teach the end-users how to complete the most common applications Besides those functionalities, the PowerProbe app gives the users additional value, such as data register, allowing the user to save the readings in the smartphone or tablet internal memory and share readings with other people in an easy and quick way. Another of the great functions of the app is the oscilloscope mode, which allows to see the curves on the smartphone or tablet display in real time, being much more practical and intuitive than the numerical results. Using the oscilloscope mode, users can realize much easier about the performance of the vehicle, than using the numerical results that can be seen on the Maestro.
PredatorX
This application enables vehicle tuning through the DS-MFD module. It provides a direct interface for adjusting vehicle performance parameters.
- Vehicle tuning
- DS-MFD module integration
- Performance adjustment
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The PredatorX app allows you to tune your vehicle using the DS-MFD module.
Screenshots
Verdict
The clearest difference is in-app purchases: PowerProbe at none against PredatorX's 3. PowerProbe also leads on rating (2.6 vs 2.1) and review sentiment (50% vs 28%). PredatorX's advantage is update cadence (every 3 weeks vs every 4 months) and ratings volume (30 vs 7). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. PredatorX sells 3 one-off in-app purchases. PowerProbe asks for nothing beyond the download.
PowerProbe holds the better App Store score, 2.6 against 2.1. Both are backed by a comparable volume of ratings — 7 and 30 respectively. Written reviews point the same way: 50% of PowerProbe's written reviews are positive against 28% of PredatorX's.
PowerProbe ships an update every 4 months, PredatorX every 3 weeks. The most recent releases landed on June 5, 2026 and September 20, 2026 respectively.
| Parameter | PowerProbe | PredatorX |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (7 ratings) — better | 2.1 (30 ratings) |
| Positive reviews | 50.0% of reviews — better | 28.0% of reviews |
| Number of ratings | 7 | 30 — better |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 37 MB | 124 MB |
| Age rating | 4+ | 4+ |
| Developer | MGL APPA CORPORATION | Holley Performance Products |
Customer experience
PowerProbe
PredatorX
In-app purchases
PowerProbe
No in-app purchases
PredatorX
- Throttle Booster$29.95
- FlashPaq$124.99
- PCM Cross Ship$274.99
