Zef vs KiteRadar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
KiteRadar
This app connects you to the world of kiting with real-time wind measurements, equipment ads, and reviews. Discover everything about kite surfing and wing surfing in one place.
- Real-time wind measurement
- Equipment advertisements
- Equipment reviews
- Equipment registration
- Kite surfing community
- Wing surfing information
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Connect to the world of kiting, wind and wing surf in a way never experienced on any other digital platform. Real-time wind measurement, equipment ads, reviews, equipment registration and much, much more about kite surfing, wing surfing and the like you'll find here on WindRadar. Apple's standard terms of use apply to this app. This standard term will always apply first and foremost to all terms of use of products and services in this app. By downloading this application you automatically accept these terms of use. Please refer to our TERMS OF USE (EULA) at: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/. See also our PRIVACY POLICY on the link: https://privacy.kiteradar.com.br/.
Screenshots
Verdict
The clearest difference is review sentiment: Zef at 91% against KiteRadar's 23%. Zef also leads on rating (4.6 vs 3.7) and ratings volume (41 vs 3). On price, ads, in-app purchases and monetization model 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. Zef sells 3 in-app purchases, starting at $6.99 per month and KiteRadar sells 8 in-app purchases, starting at $34.99 per year. Whichever you choose, the download price is not the number that matters.
Zef holds the better App Store score, 4.6 against 3.7. That said, the two scores are not equally well evidenced: Zef has 41 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 91% of Zef's written reviews are positive against 23% of KiteRadar's.
Zef ships an update fortnightly, KiteRadar every 5 weeks. The most recent releases landed on September 26, 2026 and September 23, 2026 respectively.
| Parameter | Zef | KiteRadar |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (41 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 90.7% of reviews — better | 22.9% of reviews |
| Number of ratings | 41 — better | 3 |
| Update frequency | Fortnightly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.8 |
| Further details — not scored | ||
| Size | 43 MB | 63 MB |
| Age rating | 4+ | 12+ |
| Developer | David Kieffer | Willyxandro Delano LOPES |
Customer experience
Zef
KiteRadar
In-app purchases
Zef
- Premium for one month7 Days trial$6.991 Month
- Summit for one year$26.991 Year
- Premium for one year$34.991 Year
KiteRadar
- Sign up for Windradar Pro!$34.991 Year
- Plano Anual$0.99
- Selo Destaque$0.99
- Plano Semanal$1.99
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- Plano Mensal$11.99
- KiteRadar Pro$31.99
- Plano PRO$42.99
- Loja PRO$109.99








