AirProbe D86 vs BPK
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AirProbe D86
This application facilitates digital temperature measurement for manual distillation tests, specifically for petroleum products. It allows users to record temperature, time, and speed at defined volume points with a single tap, and offers features for creating and editing distillation methods. The app automatically corrects temperature readings for barometric pressure and thermometer lag, and includes a calibration menu.
- Digital temperature measurement
- ASTM D86/D1078/D850 compliant
- Record temperature, time, and speed
- Create and edit distillation methods
- Automatic temperature correction
- Device and PT-100 calibration
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The AirProbe D86 app connects with an AirProbe D86 device that is used for digital temperature measurement in a manual distillation test according to ASTM D86/D1078/D850. Record temperature, time and speed at pre-defined volume points with a single tap. Create and edit distillation methods and programs for specific petroleum products. Absolute PT-100 temperature readings are automatically corrected for barometric pressure and stem and lag time of the ASTM 7&8 mercury thermometer. App includes special menu for calibration of both the PT-100 and the AirProbe D86 device.
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
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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
Screenshots
Verdict
The clearest difference is rating: BPK at 4.2 against AirProbe D86's 1.0. BPK also leads on ratings volume (5 vs 1). AirProbe D86's advantage is monetization model (free vs ad-supported) and iOS requirement (12.0 vs 15.0). On price, update cadence, ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
BPK holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: BPK has 5 ratings behind it against 1, so its average is the more settled of the two.
AirProbe D86 ships an update every 6 weeks, BPK every 5 weeks. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.
| Parameter | AirProbe D86 | BPK |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.2 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 5 — better |
| Update frequency | Every 6 weeks | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 14 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | ORBIS BV | Sabhya Technologies LLC |
Customer experience
AirProbe D86
BPK
In-app purchases
AirProbe D86
No in-app purchases
BPK
No in-app purchases
