Gyraline vs Optimum Angle
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gyraline
This app transforms your smartphone and a precision toolkit into a professional-grade wheel alignment machine. It offers fast, accurate measurements for total toe, camber, caster, and more, right in your garage. Ideal for enthusiasts and DIYers seeking precise vehicle alignment.
- Precision 4-wheel alignment
- Measure total toe (front & rear)
- Thrust line comparison
- Body centerline alignment
- Camber, caster, and Ackermann modes
- Live digital precision measurements
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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.
Optimum Angle
This app provides precise drive shaft angle measurements for mechanics, engineers, and automotive enthusiasts. It simplifies workflows and enhances performance with an intuitive interface and advanced algorithms for accurate adjustments.
- Precision drive shaft angle measurement
- Intuitive user interface
- Advanced measurement algorithms
- Performance optimization
- Simplified workflow
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Optimize Your Drive Shaft Performance with Optimum Angle! Introducing Optimum Angle, the ultimate tool for precision drive shaft angle measurement! Whether you're a mechanic, engineer, or automotive enthusiast, Optimum Angle is designed to simplify your workflow and enhance performance. With an intuitive interface and advanced algorithms, Optimum Angle lets you quickly and accurately measure and adjust drive shaft angles to perfection. Say goodbye to guesswork and hello to smoother, more efficient operations. Download Optimum Angle today and experience the power of precision in the palm of your hand!
Screenshots
Verdict
The clearest difference is price: Gyraline at Free against Optimum Angle's $3.99. Gyraline also leads on update cadence (fortnightly vs every 6 months) and ratings volume (104 vs 1). Optimum Angle's advantage is rating (5.0 vs 3.8) and review sentiment (100% vs 60%). On ads, in-app purchases, device support and iOS requirement 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
Gyraline is free to download; Optimum Angle costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Optimum Angle holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Gyraline has 104 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 60% of Gyraline's written reviews are positive against 100% of Optimum Angle's.
Gyraline ships an update fortnightly, Optimum Angle every 6 months. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.
| Parameter | Gyraline | Optimum Angle |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 3.8 (104 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 60.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 104 — better | 1 |
| Update frequency | Fortnightly — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | — | #194 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15 |
| Further details — not scored | ||
| Size | 63 MB | 93 MB |
| Age rating | 4+ | 4+ |
| Developer | Mechly LLC | John Dickinson |
Customer experience
Gyraline
Optimum Angle
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 moreShow fewer
- 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 moreShow fewer
- Update tutorials to match current app version
- Dark mode text display fix
Optimum Angle
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Gyraline
No in-app purchases
Optimum Angle
No in-app purchases
Questions
Is Gyraline free?
Is Optimum Angle free?
Which has better reviews, Gyraline or Optimum Angle?
Do Gyraline or Optimum Angle have ads?
Which is updated more often, Gyraline or Optimum Angle?
Other comparisons
