Comparison

GeoSUP vs Zef

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

Head to head
About

GeoSUP

This app is a dedicated tracking and spot guide for stand-up paddleboarding. It allows users to record their paddling sessions, analyze performance, and discover new locations. Connect with a global community of paddleboarders, share experiences, and contribute to a growing network of SUP spots.

Highlights
  • Track paddle sessions with speed, distance, and wind data
  • Live Share location tracking for friends and family
  • Analyze performance metrics in user profiles
  • Discover and share SUP spots and routes globally
  • Browse a live feed of community paddling activities
  • Add routes and spots to a personal bucket list
  • Connect with other paddleboarders via in-app messaging
Features
Read full description

Tracking App and Spot Guide designed specifically for Stand Up Paddle Boarding GeoSUP is the most advanced stand up paddle boarding app available today. Using its easy to use interface you can track and analyse your paddles, share your SUP experiences and connect with a global SUP community. Search the GeoSUP map to find new spots and routes to paddle - there are over 5000 sessions already available in GeoSUP! GeoSUP is packed full of advanced features including; -Track your paddles capturing speed, distance and LIVE local wind data. -Use Live Share to allow friends and family to know when you start and stop paddling and track your live location - activated via SMS. -Analyse your performance in your profile and sessions. Review speed, distance and wind data. -Add your paddle routes to a global network - highlight local facilities or risks to other paddlers. -Get inspired by browsing the live feed to see what exciting paddles others are doing. -Search the globe for places to paddle using the Nearby Me function. -Check out what spots look like via the geo-tagged photos and videos. -Read route information to learn about the best conditions to paddle in different spots. -Add routes or spots to your 'bucket list'. -See how you rank against other GeoSUP users in the leaderboard rankings. -Keep a record of your stand up paddling in your personal profile. -Connect with other users with the in app messaging or log sessions at other peoples spots. GeoSUP allows you to track, share and connect with a global network of stand up paddleboarders. Be a part of something big. Together lets make the biggest global network of paddle spots.

About

Zef

Track and organize your rides for various sports, including nautical activities. Features include race organization, jump height estimation, and social sharing of sessions and spots. Integrates with Health app for comprehensive data recording.

Highlights
  • Race organization and championship management
  • Jump height estimation using drone technology
  • Support for a wide range of sports
  • GPX file import from watches
  • Health app integration
  • Social feed for friends and spots
  • Live tracking and notifications
Features
Read full description

Zef — Ride. Track. Connect. Zef is a multi-sport tracking app built for riders, with a strong focus on nautical sports. Track your sessions, analyze your performance, discover spots, and see your friends live — all in one app. Key Features Track your rides Record your sessions with your iPhone or Apple Watch. Zef integrates with the Health app and supports GPX imports from most watches. Advanced performance analytics Get detailed session stats including speed, distance, duration, speed polar, and health data. Sessions can be replayed to analyze each maneuver. Jump analysis Measure jump height using only your iPhone or Apple Watch. Powered by algorithms inspired by drone technology. Races & challenges Create private or public races for training or competition. Visual guidance and wind angles are displayed directly on your iPhone or Apple Watch. Spots & live activity Discover spots around you and see when riders are active. Follow spots and get notified when sessions start. Friends & live tracking Follow riders by username and get notified when friends go live. Watch their sessions live on the map and stay connected. Supported Sports Sailing, Windsurfing, Kitesurfing, Wingfoil, Kitefoil, Windfoil, SUP Foil, Surfing, Wakeboard, Kayaking, Paddling, Snowkiting, Landkiting, Cross-country skiing, Skating, Bike, Electric Bike, Parawingfoil, and more with custom tags. Apple Ecosystem • iPhone & Apple Watch support • Health app integration • Optimized for the Apple ecosystem Important Sessions must be recorded from the ground to be validated. Legal Terms of Service https://zef.watch/terms-and-conditions.html Privacy Policy https://zef.watch/privacy-and-security-policy.html

Screenshots

GeoSUP4 screens
Zef4 screens

Verdict

The call

The clearest difference is review sentiment: Zef at 91% against GeoSUP's 42%. Zef also leads on rating (4.6 vs 4.1) and update cadence (fortnightly vs every 6 weeks). GeoSUP's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 15.0). On price, ratings volume and ads 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. Zef sells 3 in-app purchases, starting at $6.99 per month. GeoSUP asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Zef holds the better App Store score, 4.6 against 4.1. Both are backed by a comparable volume of ratings — 56 and 41 respectively. Written reviews point the same way: 42% of GeoSUP's written reviews are positive against 91% of Zef's.

UpkeepUpdate frequency

GeoSUP ships an update every 6 weeks, Zef fortnightly. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

Scorecard7 real differences · 3 level
GeoSUP versus Zef: the parameters behind the verdict, then further details
ParameterGeoSUPZef
PriceFreeFree
Rating4.1 (56 ratings)4.6 (41 ratings) — better
Positive reviews42.2% of reviews90.7% of reviews — better
Number of ratings56 — better41
Update frequencyEvery 6 weeksFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPodiPhone, iPad, iPod, Mac, Apple Watch — better
Requires iOS12.0 — better15.0
Further details — not scored
Size72 MB43 MB
Age rating4+4+
DeveloperSUPmedia LtdDavid Kieffer

Customer experience

GeoSUP

All ratings55 ratings
Positive76.4%
Neutral12.7%
Negative10.9%
Written reviews45 reviews
Positive42.2%
Neutral20.0%
Negative37.8%

Zef

All ratings41 ratings
Positive90.2%
Neutral0.0%
Negative9.8%
Written reviews43 reviews
Positive90.7%
Neutral2.3%
Negative7.0%

Bugs and requests

GeoSUP

Reported bugs

14 issues
  • App crashes frequently
  • App stops recording during long trips
  • App freezes on startup or when selecting buttons
  • Password reset emails not received
  • Profile update issues (won't add board, greyed out update button)
Show 9 more
  • App crashes when tapping 'nearby'
  • GPS accuracy issues (overstating distance/speed)
  • Unsupported media type errors
  • App freezes and freezes phone
  • App won't open after first use
  • App logs itself off
  • Share option not working
  • Inability to amend uploaded data
  • App takes money and shows error after login

Requested features

5 requests
  • Apple Watch integration
  • Trim my ride feature
  • Toggle to map view while paddling
  • Automatic naming of sessions
  • Overall tracking screen with collated data

Zef

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

GeoSUP

No in-app purchases

3 purchases

Zef

Subscriptions3
  • Premium for one month7 Days trial$6.991 Month
  • Summit for one year$26.991 Year
  • Premium for one year$34.991 Year

Questions

Is GeoSUP free?
GeoSUP is free to download, with no in-app purchases.
Is Zef free?
Zef is free to download, with in-app purchases available.
Which has better reviews, GeoSUP or Zef?
Zef is rated higher. GeoSUP averages 4.1 out of 5 from 56 ratings, while Zef averages 4.6 from 41 ratings.
Do GeoSUP or Zef have ads?
Neither GeoSUP nor Zef shows ads.
Which is updated more often, GeoSUP or Zef?
GeoSUP ships an update every 6 weeks, and Zef fortnightly. Most recently, GeoSUP was updated on October 24, 2026 and Zef on October 26, 2026.

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