SPC AlignPro™ vs Gyraline
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SPC AlignPro™
Access manufacturer alignment specifications for vehicles dating back to 1985. Quickly diagnose and fix alignment and suspension issues with VIN scanning, license plate lookup, and detailed illustrations of adjustment methods and service parts.
- Manufacturer alignment specifications since 1985
- Service parts information
- VIN scanning
- License plate ID lookup
- Alignment adjustment illustrations
- Suspension height specifications
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SPC AlignPro™, by Specialty Products Company, provides manufacturer’s alignment specifications for makes and models since 1985 as well as information on service parts that are available to correct any problems. With a paid subscription to licensed OEM vehicle and parts databases, you will be able to scan a vehicle’s VIN, enter the license plate ID, or pull down the year, make & model to get the information you need to diagnose and correct an alignment problem and many suspension issues. Once your vehicle and preferred specifications have been identified you can quickly see illustrations of alignment adjustment methods and service parts to install. SPC AlignPro™ subscription specifications feature: Front Caster, Camber and Toe Rear Camber and Toe SAI and Turning Angle Suspension Height Specifications and Adjustment Illustrations Ball Joint Specifications Illustrated Methods of Alignment Adjustments Take this mobile app and use it where you need it: your shop, the garage or at the track.
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.
- Precision 4-wheel alignment
- Measure total toe (front & rear)
- Thrust line comparison
- Camber measurement and adjustment
- Caster sweep
- Ackermann visualization
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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.
Screenshots
Verdict
The clearest difference is rating: Gyraline at 3.8 against SPC AlignPro™'s 2.7. Gyraline also leads on review sentiment (61% vs 33%) and ratings volume (101 vs 7). SPC AlignPro™'s advantage is in-app purchases (none vs 9). On price, ads, 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
Both are free to download. Gyraline sells 9 in-app purchases, starting at $7.99 per 7 days. SPC AlignPro™ asks for nothing beyond the download.
Gyraline holds the better App Store score, 3.8 against 2.7. That said, the two scores are not equally well evidenced: Gyraline has 101 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 33% of SPC AlignPro™'s written reviews are positive against 61% of Gyraline's.
SPC AlignPro™ ships an update monthly, Gyraline fortnightly. The most recent releases landed on October 11, 2026 and October 25, 2026 respectively.
| Parameter | SPC AlignPro™ | Gyraline |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (7 ratings) | 3.8 (101 ratings) — better |
| Positive reviews | 33.3% of reviews | 60.7% of reviews — better |
| Number of ratings | 7 | 101 — better |
| Update frequency | Monthly | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 45 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | Niwot Corporation | Mechly LLC |
Customer experience
SPC AlignPro™
Gyraline
Bugs and requests
SPC AlignPro™
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
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- 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
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- Update tutorials to match current app version
- Dark mode text display fix
In-app purchases
SPC AlignPro™
No in-app purchases
Gyraline
- 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
- TrialFree
- Single Token Purchase$0.99
- Five Token Purchase$3.99
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- Weekend Pass$5.99
- One Time Subscription$69.99
- Gyraline Pro$399.99








