BPK vs MarsMD Toolbox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BPK
This utility app measures common mode voltage on motor shafts to assess bearing discharge risk. It can also test the performance of bearing protection solutions, recording and maintaining readings for analysis.
- Measures common mode voltage on motor shafts
- Assesses risk of discharge through motor bearings
- Tests performance of bearing protection solutions
- Records and maintains readings
- Complete kit for testing
Read full descriptionHide full description
Shaft Voltage Detection Device Helwig Carbon’s Shaft Voltage Detection Device otherwise known as the BPK-Probe™ is an instrument designed to measure common mode voltage on a motor shaft and determine the risk of discharge through the motor bearings. It also has the capability to switch in Helwig’s Bearing Protection solution. This feature allows the user to measure the performance of our grounding device and the risk of further damage to the motor bearings once installed. The BPK-Probe™ comes as part of a complete kit including everything you need to test motor shafts or other devices where damaging discharges may be present. This Mobile App is offered as a solution to record and maintain readings
MarsMD Toolbox
Read full descriptionHide full description
MarsMD TolBox is a mobile application to update the firmware of Gauss and Veles metal detectors of the MarsMD brand. The app allows over-the-air firmware image uploading to the device using Bluetooth LE technology. You can download the current version of the firmware (zip file) for your metal detector at the manufacturer's website at www.marsmd.com.
Screenshots
Verdict
The clearest difference is update cadence: BPK at every 5 weeks against MarsMD Toolbox's every 37 months. MarsMD Toolbox's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
BPK ships an update every 5 weeks, MarsMD Toolbox every 37 months. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.
| Parameter | BPK | MarsMD Toolbox |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 5 weeks — better | Every 37 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 37 MB | 18 MB |
| Age rating | 4+ | 17+ |
| Developer | Sabhya Technologies LLC | ANDRII CHEKHIVSKYI |
In-app purchases
BPK
No in-app purchases
MarsMD Toolbox
No in-app purchases
