# SmartBMS Utility vs Gyraline

The clearest difference is price: Gyraline at Free against SmartBMS Utility's $9.99. Gyraline also leads on update cadence (fortnightly vs every 2 months) and ratings volume (101 vs 12). SmartBMS Utility's advantage is rating (4.3 vs 3.8) and in-app purchases (none vs 9). On ads, device support and iOS requirement there is nothing between them.

Gyraline is free to download; SmartBMS Utility costs $9.99 up front. Gyraline sells 9 in-app purchases, starting at $7.99 per 7 days. SmartBMS Utility asks for nothing beyond the download.

SmartBMS Utility holds the better App Store score, 4.3 against 3.8. That said, the two scores are not equally well evidenced: Gyraline has 101 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 71% of SmartBMS Utility's written reviews are positive against 61% of Gyraline's.

SmartBMS Utility ships an update every 2 months, Gyraline fortnightly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SmartBMS Utility | Gyraline |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.3 (12 ratings)](https://appshunter.io/ios/app/smartbms-utility/id1540178292/reviews)** | [3.8 (101 ratings)](https://appshunter.io/ios/app/gyraline/id6450752768/reviews) |
| Number of ratings | 12 | **101** |
| Positive reviews | **71.0% of reviews** | 60.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Paid |
| Best chart rank | **#176** | — |
| Size | 23 MB | 63 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kuehner & Gehrke Development UG (haftungsbeschraenkt)](https://appshunter.io/developer/1497310810) | [Mechly LLC](https://appshunter.io/developer/1694760852) |

## What reviewers say

### SmartBMS Utility

[App page](https://appshunter.io/ios/app/smartbms-utility/id1540178292)

**Currently charting:** #176 Top Paid · Productivity (US App Store)

Optimize battery management and extend battery life with real-time monitoring and intelligent control. Receive important alerts and ensure data security with local storage. Compatible with JBD and Daly BMS.

**Highlights:** Real-time battery monitoring, Intelligent control for charging/discharging, Battery condition notifications, Local data storage for security, Easy integration with JBD/Daly BMS

**Features:** Vision Pro support

**In-app purchases:** none


### Gyraline

[App page](https://appshunter.io/ios/app/gyraline/id6450752768)

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:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gyraline DIY One Week | $7.99 | per 7 days |
| Gyraline DIY One Month | $9.99 | per month |
| Quick Check Single Device | $99.99 | per month |
| Trial | Free | one-time |
| Single Token Purchase | $0.99 | one-time |
| Five Token Purchase | $3.99 | one-time |
| Weekend Pass | $5.99 | one-time |
| One Time Subscription | $69.99 | one-time |
| Gyraline Pro | $399.99 | one-time |

**What reviewers like**

- 👍 Great for DIY alignments
- 💰 Saves money on professional alignments
- 🚀 Quick and easy adjustments
- 🎯 Surprisingly accurate results
- 💡 Innovative tool for automotive enthusiasts

**What reviewers complain about**

- 🐛 Inconsistent measurements
- 🤔 Steep learning curve
- ⏳ Time-consuming process
- 🤷‍♂️ Confusing interface/instructions
- 🐛 App crashes/bugs

**Reported bugs**

- Inconsistent measurements
- App crashes
- Sensor axis reversed (G2)
- Accuracy defaults revert to 0.10°
- Camber tool unreliable

**Requested features**

- 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


## Frequently asked questions

### Is SmartBMS Utility free?

SmartBMS Utility costs $9.99, with no in-app purchases.

### Is Gyraline free?

Gyraline is free to download, with in-app purchases available.

### Which has better reviews, SmartBMS Utility or Gyraline?

SmartBMS Utility is rated higher. SmartBMS Utility averages 4.3 out of 5 from 12 ratings, while Gyraline averages 3.8 from 101 ratings.

### Do SmartBMS Utility or Gyraline have ads?

Neither SmartBMS Utility nor Gyraline shows ads.

### Which is updated more often, SmartBMS Utility or Gyraline?

SmartBMS Utility ships an update every 2 months, and Gyraline fortnightly. Most recently, SmartBMS Utility was updated on October 27, 2026 and Gyraline on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*