Comparison

SOF FFVoile vs Gustly

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

Head to head
About

SOF FFVoile

Features
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For more than 50 years, the Semaine Olympique Française has been a major event in the international circuit for Olympic sailing. Similar to Roland Garros for the tennis federation, the SOF is for the FFVoile the largest annual competition of Olympic sailing in France, praised every year for the quality of the races that take place in the idyllic setting of the Golden Islands, but also recognized for its flawless organization, both at sea and on land.

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

SOF FFVoile4 screens
Gustly4 screens

Verdict

The call

The clearest difference is update cadence: Gustly at every 9 days against SOF FFVoile's every 4 months. SOF FFVoile's advantage is iOS requirement (11.0 vs 16.4). 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

SOF FFVoile ships an update every 4 months, Gustly every 9 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 4 level
SOF FFVoile versus Gustly: the parameters behind the verdict, then further details
ParameterSOF FFVoileGustly
PriceFreeFree
Update frequencyEvery 4 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS11.0 — better16.4
Further details — not scored
Size65 MB73 MB
Age rating4+4+
DeveloperSailtiKonstantinos Kefalas

In-app purchases

None

SOF FFVoile

No in-app purchases

None

Gustly

No in-app purchases

Questions

Is SOF FFVoile free?
SOF FFVoile is free to download, with no in-app purchases.
Is Gustly free?
Gustly is free to download, with no in-app purchases.
Do SOF FFVoile or Gustly have ads?
Neither SOF FFVoile nor Gustly shows ads.
Which is updated more often, SOF FFVoile or Gustly?
SOF FFVoile ships an update every 4 months, and Gustly every 9 days. Most recently, SOF FFVoile was updated on November 3, 2026 and Gustly on October 31, 2026.

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