Spinlock Rig vs Gustly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spinlock Rig
Log and manage sailing rig settings for multiple boats and crew. Easily customize, share, and access your sailing data anytime, anywhere. Offers preloaded settings and import options for various boat classes.
- Log rig settings for multiple boats
- Share settings with crew and partners
- Intuitive and easy-to-use interface
- Preloaded settings for various classes
- Customize, duplicate, import, and delete logs
- Offline access to stored information
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The Rig-Sense App is a simple mobile application for logging rig settings on any sailing boat. By using this App you can store multiple settings, for multiple boats and share with the crew, training partners, classes, coaches and the rest of the world. The intuitive and easy-to-use interface of the App makes it easy for anyone to use and understand. You can log all sorts of information such as shroud settings and type of spinnaker for different wind ranges and sea states. Either start from scratch, import, or choose from the long list of preloaded settings available for most classes. Once added, logs can be customised to your liking for your optimum settings. Duplicate, import, share and delete your logs with ease to keep organised and up to date with latest settings. All the information is stored on your Phone or Tablet, so you can access your information anytime anywhere. For more information, please visit our website www.spinlock.co.uk
Gustly
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Gustly is a GPS session tracker for windsurfing, kitesurfing, windfoiling, and wingfoiling. Record on your phone or Apple Watch, import sessions from compatible GPS devices, and turn your tracks into useful performance insights. Session Analysis connects your results to the water. Select a speed run to see when it happened on the timeline and where it happened on the route. Scrub the chart and zoom in on the map to explore your session in detail. With Gustly you can: - Record GPS sessions on your phone or Apple Watch - Keep recording an active phone session when the screen is off - Import GPX and FIT files, including Garmin exports - Review 2-second speed, top 10-second runs, distance runs, Alpha 500, endurance results, and available gybe and tack insights - Browse your session history, routes, and totals - Save sessions locally and sync when you’re back online - Export your session data - Use iPad’s larger screen to explore maps, timelines, and results Location access is used to record active GPS sessions. With your permission, Health access supports Apple Watch heart-rate data and workout saving. Gustly is a performance-tracking tool, not a navigation or safety device.
Screenshots
Verdict
The clearest difference is update cadence: Gustly at every 9 days against Spinlock Rig's every 11 months. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Spinlock Rig ships an update every 11 months, Gustly every 9 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.
| Parameter | Spinlock Rig | Gustly |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 11 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 29 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | Spinlock Ltd | Konstantinos Kefalas |
In-app purchases
Spinlock Rig
No in-app purchases
Gustly
No in-app purchases









