Comparison

B2QScan vs Carnamic

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

Head to head
About

B2QScan

This app analyzes lead-acid battery health when paired with specific hardware. It captures battery data, warns of system issues, and allows for easy sharing of test reports. Ideal for professionals and owners managing various types of batteries.

Highlights
  • Captures battery test data optically
  • Captures battery and VIN barcodes optically
  • Determines battery health
  • Warns of starting/charging system problems
  • Saves, emails, prints, and shares test reports
  • Cloud backup and sharing of test data
Features
Read full description

B1 BATTERY TESTER HARDWARE REQUIRED FOR FULL FUNCTIONALITY The B2QScan App is a lead acid battery health analysis and data sharing application that works together with a B1e Battery Tester to help battery service providers and owners determine battery condition and track the health of 12V lead acid batteries (WET,MF, AGM, EFB...) . B2QScan instantly captures battery characteristics from an optical image generated by a B1 Battery Tester. Data may be shared between connected B2QScan user accounts. B2QScan includes the following features: - Optically captures battery test data from B1 Tester (B1 Battery Tester hardware required for this feature)* - Optically captures battery barcode* - Optically captures VIN from vehicle VIN bar code* - Determines battery health, and warns of potential starting and charging system problems - Enables user to save, email, print, share test reports instantly - Cloud based backup and sharing of test data with connected users * Camera functions require an autofocus camera. The B2QScan App and B1 Tester is an ideal battery management solution for automotive, heavy duty, marine, and RV technicians; fleet operators and service providers; vehicle and equipment owner / operators. The B2QScan App and B1 Tester may also be used to simplify and automate the management of industrial lead acid batteries in electric vehicles, UPS, and telecom applications. Install the B2QScan App and visit b2qtech.com/demo to find sample optical codes that simulate real B1 tests. Purchase B1 Tester hardware from your local automotive electrical dealer, or from b2qtech.com

About

Carnamic

This app provides real-time vehicle tracking and security alerts for your family's cars. Monitor location, receive notifications for arrivals, departures, speeding, and low battery. It also offers service reminders to keep your vehicles in top condition.

Highlights
  • Real-time GPS tracking
  • Arrival and departure alerts
  • Service reminder alerts
  • Speeding alerts
  • Low battery alerts
  • Family vehicle protection
Read full description

Carnamic for Apple iPhone app protects you and your family's vehicles while you are not there, anytime, anywhere. Install a hidden GPS tracker and gain access to current location, get arrival and departure alerts from user setup locations, service reminder alerts, speeding alerts, low power vehicle battery alerts.

Screenshots

B2QScan1 screens
Carnamic3 screens

Verdict

The call

The clearest difference is update cadence: B2QScan at every 3 weeks against Carnamic's every 6 months. B2QScan also leads on review sentiment (16% vs 0%). Carnamic's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and monetization model 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.

UpkeepUpdate frequency

B2QScan ships an update every 3 weeks, Carnamic every 6 months. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
B2QScan versus Carnamic: the parameters behind the verdict, then further details
ParameterB2QScanCarnamic
PriceFreeFree
Rating—3.2 (9 ratings) — better
Positive reviews16.0% of reviews — better0.0% of reviews
Number of ratings—9 — better
Update frequencyEvery 3 weeks — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.011.0 — better
Further details — not scored
Size133 MB60 MB
Age rating4+4+
DeveloperB2Q TechnologiesMG Auto Connection Inc

Customer experience

B2QScan

Written reviews50 reviews
Positive16.0%
Neutral4.0%
Negative80.0%

Carnamic

All ratings9 ratings
Positive55.6%
Neutral0.0%
Negative44.4%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

B2QScan

No in-app purchases

None

Carnamic

No in-app purchases

Questions

Is B2QScan free?
B2QScan is free to download, with no in-app purchases.
Is Carnamic free?
Carnamic is free to download, with no in-app purchases.
Do B2QScan or Carnamic have ads?
Neither B2QScan nor Carnamic shows ads.
Which is updated more often, B2QScan or Carnamic?
B2QScan ships an update every 3 weeks, and Carnamic every 6 months. Most recently, B2QScan was updated on October 15, 2026 and Carnamic on October 7, 2026.

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