Comparison

OzCharge BM12 vs Stemco Fleet Manager

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

Head to head
About

OzCharge BM12

Monitor your car battery's real-time voltage and test its cranking and charging systems. View all battery data directly on your mobile device via Bluetooth connection.

Highlights
  • Real-time voltage monitoring
  • Cranking system testing
  • Charging system testing
  • Bluetooth data transfer
  • Mobile device display
Features
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OzCharge BM12 is an application for vehicle battery,which can let them know the real-time voltage of car battery. It helps users to know the battery fully by testing cranking and charging system voltage. All of the datas can be showed on mobile through bluetooth.

About

Stemco Fleet Manager

Features
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Stemco’s Fleet Manager app streamlines the configuration and management of Stemco’s DataTRAC SVT hubodometer, ensuring quick and convenient monitoring of vehicle mileage. The DataTrac SVT, equipped with a wireless Bluetooth beacon, simplifies mileage tracking for various fleets, including semi-trailers, bus fleets, tram systems, and more. Key Features: Real-time mileage readings for fleet vehicles Multiple user support with three access levels (admin, power, base) Automatic mileage synchronization Multilingual support: English, Spanish, French, Portuguese DataTrac SVT Hubodometer Versions: Tamperproof (Part#607-8005): Ideal for fleets leasing or renting vehicles. Reprogrammable (Part#607-8004): Offers maximum flexibility and configurability. Two Login Options: SyncServer (Free): Basic fleet management with company and user setup within the app. WebPortal (Subscription): Enhanced features, including a full web portal interface, user management, reports, automated gate readers, historical records retention, server API for business system integration, fuel and fluids logging, enhanced security, and data backups. For a free trial of WebPortal, contact Stemco at SVTsupport@stemco.com. Regulatory Approval: DataTrac SVT is approved for sale in Australia, Brazil, Canada, Colombia, Costa Rica, Honduras, Guatemala, Mexico, New Zealand, Peru, and the United States of America. [:mav: 26.07.30]

Screenshots

OzCharge BM124 screens
Stemco Fleet Manager4 screens

Verdict

The call

The clearest difference is update cadence: Stemco Fleet Manager at every 3 weeks against OzCharge BM12's every 6 weeks. OzCharge BM12'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 Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

OzCharge BM12 ships an update every 6 weeks, Stemco Fleet Manager every 3 weeks. The most recent releases landed on June 11, 2026 and September 14, 2026 respectively.

Scorecard2 real differences Β· 6 level
OzCharge BM12 versus Stemco Fleet Manager: the parameters behind the verdict, then further details
ParameterOzCharge BM12Stemco Fleet Manager
PriceFreeFree
Positive reviews100.0% of reviewsβ€”
Update frequencyEvery 6 weeksEvery 3 weeks β€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeβ€”
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS12.0 β€” better15.0
Further details β€” not scored
Size9 MB83 MB
Age rating4+4+
DeveloperAutech Australia Pty. Ltd.Stemco

In-app purchases

None

OzCharge BM12

No in-app purchases

None

Stemco Fleet Manager

No in-app purchases

Questions

Is OzCharge BM12 free?
OzCharge BM12 is free to download, with no in-app purchases.
Is Stemco Fleet Manager free?
Stemco Fleet Manager is free to download, with no in-app purchases.
Do OzCharge BM12 or Stemco Fleet Manager have ads?
Neither OzCharge BM12 nor Stemco Fleet Manager shows ads.
Which is updated more often, OzCharge BM12 or Stemco Fleet Manager?
OzCharge BM12 ships an update every 6 weeks, and Stemco Fleet Manager every 3 weeks. Most recently, OzCharge BM12 was updated on June 11, 2026 and Stemco Fleet Manager on September 14, 2026.

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