Fluid Running vs Zygo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fluid Running
This app offers a unique approach to full-body fitness using water-based exercises. It provides guided movements and workout routines suitable for all fitness levels, from beginners to those seeking new challenges. Access class schedules and supplementary learning materials to enhance your aquatic training.
- Deep and shallow water workout movements
- Guided deep water workouts
- Guided shallow water workouts
- Class schedules (Chicagoland)
- Downloadable workout routines
- Technique tutorial videos
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Fluid Running is the perfect way to challenge your entire body without hurting it. Unlike other workouts, Fluid Running’s signature method delivers maximum results while still being accessible to people of all fitness levels. Whether you're just getting started or you're looking for something new, Fluid Running has something for you. Features - Learn movements for Fluid Running Deep and Shallow Water Workouts - Try a Fluid Running Deep or Shallow Water Workout - Check Fluid Running Class Schedules (Chicagoland area only) Additional Features with the Fluid Running System - Download and play extra Fluid Running Workouts - Watch videos to learn additional techniques used in the workout.
Zygo
Access over 500 guided swim workouts paired with music. Track your progress with lap counting and a tempo trainer. Stay connected with walkie-talkie functionality and manage device settings.
- 500+ guided swim workouts
- Music integration
- Lap counting
- Tempo trainer
- Walkie-talkie feature
- Battery level monitoring
- Firmware updates
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Make the most of your Zygo with our app. In addition to a library of over 500 guided swim workouts paired to music, our app shows your battery levels and counts your laps, and has a tempo trainer and walkie-talkie. It also enables firmware updates for ongoing feature additions and enhancements.
Screenshots
Verdict
The clearest difference is review sentiment: Fluid Running at 88% against Zygo's 43%. Fluid Running also leads on in-app purchases (none vs 2) and rating (4.6 vs 4.3). Zygo's advantage is update cadence (every 2 months vs every 10 months) and ratings volume (123 vs 17). On price 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
Both are free to download. Zygo sells 2 in-app purchases, starting at $4.99 per month. Fluid Running asks for nothing beyond the download.
Fluid Running holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Zygo has 123 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 88% of Fluid Running's written reviews are positive against 43% of Zygo's.
Fluid Running ships an update every 10 months, Zygo every 2 months. The most recent releases landed on July 20, 2026 and September 28, 2026 respectively.
| Parameter | Fluid Running | Zygo |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (17 ratings) — better | 4.3 (123 ratings) |
| Positive reviews | 87.5% of reviews — better | 42.9% of reviews |
| Number of ratings | 17 | 123 — better |
| Update frequency | Every 10 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 23 MB | 100 MB |
| Age rating | 12+ | 4+ |
| Developer | Fluid Running, LLC | Swimmersive Co |
Customer experience
Fluid Running
Zygo
In-app purchases
Fluid Running
No in-app purchases
Zygo
- Monthly Subscription14 Days trial$4.991 Month
- Yearly Subscription14 Days trial$49.991 Year
