Comparison

Gyraline vs BP Scanner

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

Head to head
About

Gyraline

This app transforms your smartphone and a specialized toolkit into a professional-grade wheel alignment system. It enables fast, accurate 4-wheel alignments for enthusiasts and DIYers in their own garage, offering precise measurements for various alignment angles.

Highlights
  • Precision 4-wheel alignment
  • Measure total toe (front & rear)
  • Thrust line comparison
  • Camber measurement and adjustment
  • Caster sweep
  • Ackermann visualization
Features
Read full description

Precision 4-Wheel Alignment, Reimagined Gyraline is a revolutionary, patent-pending alignment system that turns your smartphone and our precision toolkit into a professional-grade wheel alignment machine. Perform the fastest, most accurate 4-wheel alignment you’ve ever done, right in your own garage. Measure Like a Pro • Total Toe (Front & Rear): Instantly measure total toe across both axles. • Thrust Line Comparison: Verify front toe alignment relative to the rear axle’s thrust line. • Body Centerline Alignment: Check toe against the vehicle’s geometric centerline. • Camber Mode: Measure and adjust camber with live digital precision. • Caster Mode: Sweep caster accurately, without expensive shop hardware. • Ackermann Mode: Visualize steering geometry like never before. Why Gyraline Gyraline brings professional alignment accuracy to enthusiasts, racers, and commuters without the need for bulky alignment racks. Fast setup, clear visuals, and uncompromising precision all powered by your phone.

About

BP Scanner

Features
Read full description

BP Scanner is the free iPhone and iPad companion app for BuildersPro users. Use BP Scanner to capture room layouts with Apple RoomPlan, including walls, doors, and windows where supported. Scans are uploaded back to your signed-in BuildersPro account so they can be reviewed inside BuildersPro and used for advisory estimating workflows. BuildersPro subscriptions and job management are handled on builderspro.net. This app is a free capture companion and does not sell subscriptions or digital content.

Screenshots

Gyraline4 screens
BP Scanner3 screens

Verdict

The call

The clearest difference is update cadence: BP Scanner at daily against Gyraline's fortnightly. 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

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

Gyraline ships an update fortnightly, BP Scanner daily. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
Gyraline versus BP Scanner: the parameters behind the verdict, then further details
ParameterGyralineBP Scanner
PriceFreeFree
Rating3.8 (104 ratings) — better—
Positive reviews60.0% of reviews—
Number of ratings104 — better—
Update frequencyFortnightlyDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size63 MB3 MB
Age rating4+4+
DeveloperMechly LLCHein Hoven

Bugs and requests

Gyraline

Reported bugs

16 issues
  • Inconsistent measurements
  • App crashes
  • Sensor axis reversed (G2)
  • Accuracy defaults revert to 0.10°
  • Camber tool unreliable
Show 11 more
  • Manual/videos do not match current app design
  • Front toe readings inaccurate after update
  • Body align function removed for G1
  • Surface profile percentage not visible
  • Buggy app renders G2 unusable
  • Previous update was better, new update makes it impossible to get accurate results
  • G1 owners don't get vehicle spec access
  • Body alignment of front toe removed
  • Front toe readings inaccurate
  • App requires refresh with red screen when moving to front wheel
  • Inconsistent readings even after adjustments

Requested features

7 requests
  • Add caster to features
  • Live measurements via Bluetooth sensors
  • Separate toe-only section for quicker adjustments
  • Self-calibration setting
  • Vehicle spec database for G1 owners
Show 2 more
  • Update tutorials to match current app version
  • Dark mode text display fix

BP Scanner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Gyraline

No in-app purchases

None

BP Scanner

No in-app purchases

Questions

Is Gyraline free?
Gyraline is free to download, with no in-app purchases.
Is BP Scanner free?
BP Scanner is free to download, with no in-app purchases.
Do Gyraline or BP Scanner have ads?
Neither Gyraline nor BP Scanner shows ads.
Which is updated more often, Gyraline or BP Scanner?
Gyraline ships an update fortnightly, and BP Scanner daily. Most recently, Gyraline was updated on November 7, 2026 and BP Scanner on October 31, 2026.

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