# GeoSUP vs Zef

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.

Both are free to download. Zef sells 3 in-app purchases, starting at $6.99 per month. GeoSUP asks for nothing beyond the download.

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.

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

## The numbers

| Metric | GeoSUP | Zef |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (56 ratings)](https://appshunter.io/ios/app/geosup/id1222616277/reviews) | **[4.6 (41 ratings)](https://appshunter.io/ios/app/zef/id1447673572/reviews)** |
| Number of ratings | **56** | 41 |
| Positive reviews | 42.2% of reviews | **90.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | **Free** | Freemium |
| Size | 72 MB | 43 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [SUPmedia Ltd](https://appshunter.io/developer/1222616276) | [David Kieffer](https://appshunter.io/developer/1341935892) |

## What reviewers say

### GeoSUP

[App page](https://appshunter.io/ios/app/geosup/id1222616277)

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:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🗺️ Discover new paddling spots
- 📈 Track paddle sessions
- 💨 Live wind data
- 🤝 Community features
- 💡 Useful analytics

**What reviewers complain about**

- 🐛 Frequent crashes
- 🐌 Slow loading times
- 🚫 Tracking stops unexpectedly
- ❓ Confusing app functionality
- 🔒 Login/password issues

**Reported bugs**

- 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)

**Requested features**

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


### Zef

[App page](https://appshunter.io/ios/app/zef/id1447673572)

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:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium for one  month | $6.99 | per month |
| Summit for one year | $26.99 | per year |
| Premium for one year | $34.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*