Comparison

Spinlock Rig vs Gustly

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

Gustly

Features
Read full description

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

Spinlock Rig4 screens
Gustly4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
Spinlock Rig versus Gustly: the parameters behind the verdict, then further details
ParameterSpinlock RigGustly
PriceFreeFree
Rating4.0 (1 ratings) — better—
Positive reviews80.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 11 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.1 — better16.4
Further details — not scored
Size29 MB73 MB
Age rating4+4+
DeveloperSpinlock LtdKonstantinos Kefalas

In-app purchases

None

Spinlock Rig

No in-app purchases

None

Gustly

No in-app purchases

Questions

Is Spinlock Rig free?
Spinlock Rig is free to download, with no in-app purchases.
Is Gustly free?
Gustly is free to download, with no in-app purchases.
Do Spinlock Rig or Gustly have ads?
Neither Spinlock Rig nor Gustly shows ads.
Which is updated more often, Spinlock Rig or Gustly?
Spinlock Rig ships an update every 11 months, and Gustly every 9 days. Most recently, Spinlock Rig was updated on November 1, 2026 and Gustly on October 31, 2026.

Other comparisons