Comparison

Angle Gradient Inclinometer vs Gyraline

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

Head to head
About

Angle Gradient Inclinometer

Easily measure tilt angles with this free protractor app. It displays inclination from 0 to 359 degrees, along with gradient percentages and angles summing to 180 or 360 degrees. Switch to theodolite mode to set a specified angle to zero.

Highlights
  • Measure tilt angles 0-359 degrees
  • Display gradient percentage
  • Show sum angles (180/360)
  • Theodolite mode
  • Set specified angle to zero
Features
Read full description

Simple tilt angle protractor free application that can easily measure tilt simply by tilting the device. The angle of inclination measured from 0 degree to 359 degrees, converted gradient (%), angle at which sum is 180 degrees / 360 degrees are displayed at the same time. You can switch to the theodolite, the specified angle can be set to 0 degree. ( 45 Degrees = Gradient 100 % )

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.

Screenshots

Angle Gradient Inclinometer1 screens
Gyraline4 screens

Verdict

The call

The clearest difference is rating: Angle Gradient Inclinometer at 4.4 against Gyraline's 3.8. Angle Gradient Inclinometer also leads on in-app purchases (none vs 9) and iOS requirement (13 vs 15.0). Gyraline's advantage is ads (none vs shown) and update cadence (fortnightly vs every 8 months). On price, ratings volume 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. Gyraline sells 9 in-app purchases, starting at $7.99 per 7 days. Angle Gradient Inclinometer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Angle Gradient Inclinometer holds the better App Store score, 4.4 against 3.8. Both are backed by a comparable volume of ratings — 295 and 99 respectively. Written reviews complicate that: 51% of Angle Gradient Inclinometer's written reviews are positive against 61% of Gyraline's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Angle Gradient Inclinometer ships an update every 8 months, Gyraline fortnightly. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

Scorecard7 real differences · 3 level
Angle Gradient Inclinometer versus Gyraline: the parameters behind the verdict, then further details
ParameterAngle Gradient InclinometerGyraline
PriceFreeFree
Rating4.4 (295 ratings) — better3.8 (99 ratings)
Positive reviews51.1% of reviews60.7% of reviews — better
Number of ratings295 — better99
Update frequencyEvery 8 monthsFortnightly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterPaid
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13 — better15.0
Further details — not scored
Size11 MB63 MB
Age rating4+4+
DeveloperSHIGETO TAKAGIMechly LLC

Customer experience

Angle Gradient Inclinometer

All ratings295 ratings
Positive83.7%
Neutral4.1%
Negative12.2%
Written reviews45 reviews
Positive51.1%
Neutral15.6%
Negative33.3%

Gyraline

All ratings99 ratings
Positive67.7%
Neutral5.1%
Negative27.3%
Written reviews84 reviews
Positive60.7%
Neutral7.1%
Negative32.1%

Bugs and requests

Angle Gradient Inclinometer

Not enough reviews yet to summarise bugs or 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

In-app purchases

None

Angle Gradient Inclinometer

No in-app purchases

9 purchases

Gyraline

Subscriptions3
  • Gyraline DIY One Week3 Days trial$7.997 Days
  • Gyraline DIY One Month$9.991 Month
  • Quick Check Single Device1 Month trial$99.991 Month
One-time6
  • TrialFree
  • Single Token Purchase$0.99
  • Five Token Purchase$3.99
Show 3 more
  • Weekend Pass$5.99
  • One Time Subscription$69.99
  • Gyraline Pro$399.99

Questions

Is Angle Gradient Inclinometer free?
Angle Gradient Inclinometer is free to download, with no in-app purchases.
Is Gyraline free?
Gyraline is free to download, with in-app purchases available.
Which has better reviews, Angle Gradient Inclinometer or Gyraline?
Angle Gradient Inclinometer is rated higher. Angle Gradient Inclinometer averages 4.4 out of 5 from 295 ratings, while Gyraline averages 3.8 from 99 ratings.
Do Angle Gradient Inclinometer or Gyraline have ads?
Angle Gradient Inclinometer shows ads; Gyraline does not.
Which is updated more often, Angle Gradient Inclinometer or Gyraline?
Angle Gradient Inclinometer ships an update every 8 months, and Gyraline fortnightly. Most recently, Angle Gradient Inclinometer was updated on October 14, 2026 and Gyraline on October 15, 2026.

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