Quintens ISA vs Powertora
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Quintens ISA
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The ISA mobile app is available to subscribers to the ISA information service. The ISA app makes it possible to: ⢠Scan items from the own assortment and build a scan list ⢠View core data of scanned articles that are stored in the ISA databases ⢠View Safety Data Sheets and Declarations of Performance for the scanned product ⢠Sending the scanned GTINs to your e-mail address or saving them in ISA for further use there. ⢠Sending product card and safety instruction card to your e-mail address. The ISA information service is designed to provide companies with information about hazardous substances and construction products. ISA maps the information need for hazardous substances and construction products for all products that a company registers with ISA. ISA collects all required ISA dangerous goods data, such as Safety Data Sheets and ADR data, from suppliers and makes the legally required documentation available per product.
Powertora
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Powertora turns your iPhone and a Bluetooth GPS sensor into a rolling-road dyno. Do one full-throttle pull followed by a coast-down on a quiet road, and Powertora calculates your car's real power and torque curves ā crank-equivalent, in metric PS ā from how it accelerates and how it slows. No rollers. No dyno shop. Just your car, a GPS sensor, and a stretch of road. MEASURE ⢠Real power and torque curves vs RPM ⢠Crank-equivalent output ā the coast run captures drivetrain loss automatically ⢠A quality score on every run, so you know how much to trust it ⢠Works with RaceBox, Dragy and other NMEA GPS sensors FREE FOREVER ⢠Unlimited measurement ⢠Shareable power-curve card ⢠Web reports POWERTORA PRO ⢠PDF dyno reports with quality breakdowns ⢠Merge 3ā6 runs into one high-confidence curve ⢠Before/after comparison exports ⢠Multi-GPS fusion for extra accuracy ⢠Unlimited garage ⢠Road maps ā curvature, grade and wind per run ⢠Cloud backup and recovery HOW IT WORKS Pick your car, enter its weight, and drive: one pull to the limiter, then coast back down on the same road. Powertora does the physics. Measuring is free ā upgrade to Pro for the full tuning workflow. Powertora Pro is an auto-renewable subscription (monthly or yearly) or a one-time lifetime purchase. Payment is charged to your Apple Account; a subscription auto-renews unless turned off at least 24 hours before the period ends, managed in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://powertora.app/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Quintens ISA at none against Powertora's 3. Quintens ISA also leads on iOS requirement (13.0 vs 15.1). Powertora's advantage is update cadence (every 2 weeks vs every 5 months). On price, ads and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Powertora sells 3 in-app purchases, starting at $5.99 per month. Quintens ISA asks for nothing beyond the download.
Quintens ISA ships an update every 5 months, Powertora every 2 weeks. Both last shipped on October 25, 2026.
| Parameter | Quintens ISA | Powertora |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Every 2 weeks ā better |
| Ads | No | No |
| In-app purchases | No ā better | Yes |
| Devices | iPhone, iPad, iPod ā better | iPhone, iPod |
| Requires iOS | 13.0 ā better | 15.1 |
| Further details ā not scored | ||
| Size | 30 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Quintens Advies & Management B.V. | Sergei Belov |
In-app purchases
Quintens ISA
No in-app purchases
Powertora
- Powertora Pro ā Monthly$5.991 Month
- Powertora Pro ā Yearly$34.991 Year
- Powertora Pro ā Lifetime$69.99
Questions
Is Quintens ISA free?
Is Powertora free?
Do Quintens ISA or Powertora have ads?
Which is updated more often, Quintens ISA or Powertora?
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