Comparison

PowerProbe vs OBDSTAR

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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.

About

OBDSTAR

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
Read full description

"OBDSTAR" APP is a handheld maintenance database designed for maintenance technicians. It is a service APP that can bring more convenient, efficient and professional services to end-users, integrating technical support, data query, video viewing, after-sales consultation, feedback and other multi-functions. It supports a comprehensive maintenance data query database for automobiles, motorcycles, ships, etc. With powerful functions and excellent experience, it is a practical service platform for maintenance technicians to solve their problems.

Screenshots

PowerProbe4 screens
OBDSTAR4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
PowerProbe versus OBDSTAR: the parameters behind the verdict, then further details
ParameterPowerProbeOBDSTAR
PriceFreeFree
Rating2.6 (7 ratings) — better1.5 (4 ratings)
Positive reviews50.0% of reviews — better0.0% of reviews
Number of ratings7 — better4
Update frequencyEvery 4 months — betterEvery 6 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.5
Further details — not scored
Size37 MB122 MB
Age rating4+17+
DeveloperMGL APPA CORPORATION深圳市轩宇车鼎科技有限公司

Customer experience

PowerProbe

All ratings6 ratings
Positive16.7%
Neutral16.7%
Negative66.7%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

OBDSTAR

All ratings4 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

PowerProbe

No in-app purchases

None

OBDSTAR

No in-app purchases

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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