Comparison

Just The Watts vs Fluid Exercise

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

Head to head
About

Just The Watts

This cycling app connects to your Bluetooth sensors for real-time indoor training data. Follow structured workouts or create your own, with virtual power options available. It offers a clean interface focused on your ride, without subscriptions or ads.

Highlights
  • Bluetooth sensor pairing
  • Real-time training data
  • FTP-based intervals
  • Custom workout creation
  • Virtual power option
  • Clean, focused interface
Read full description

Just the Watts is a simple, no-frills cycling app built for indoor training. Pair your Bluetooth power meter, speed sensor, cadence sensor, and heart rate monitor to see real-time data while you ride. You can follow structured workouts based on your FTP or create your own from scratch. No subscriptions, no fluff—just the watts. You’ll get: Real-time data from your Bluetooth sensors FTP-based intervals and fully custom workouts Virtual power if you don’t have a power meter (just pair a speed sensor and select your trainer) A clean, easy-to-use interface that keeps you focused on the ride Built for iPhone and iPad. Trainer only (not for outdoor rides). If you're looking for a straightforward way to track your power indoors, this is it. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Fluid Exercise

Read full description

Fluid Exercise app allows you to record and review your workouts. Choose from a range of simple workouts and review through the Session Log feature. Our Fluid Exercise app allows you to record and review your workouts using our Bluetooth® Fluid Exercise Consoles. Choose from a range of simple workout styles from just cycling to HIIT and review your session statistics and charts through the Session Log feature. · Communication via the standard Bluetooth® FTMS protocol · The session recorder that provides a number of workout styles o Just GO – no limit rowing at your own pace o Target Distance – aim for your fastest time over a fixed distance o Target Time – aim for greatest distance over a fixed time o Work/Rest Intervals – HIIT (Intense short work intervals followed by short rests) · Sortable workout session history with session summaries and charts · Odometer with total time, distance, and calories burned · Automatic firmware update support for Fluid Exercise Consoles using Bluetooth DFU

Screenshots

Just The Watts3 screens
Fluid Exercise3 screens

Verdict

The call

The clearest difference is in-app purchases: Fluid Exercise at none against Just The Watts's 1. Fluid Exercise also leads on iOS requirement (14.0 vs 16.6). Just The Watts's advantage is device support. On price 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. Just The Watts sells 1 in-app purchase, starting at $4.99 per month. Fluid Exercise asks for nothing beyond the download.

Scorecard3 real differences · 6 level
Just The Watts versus Fluid Exercise: the parameters behind the verdict, then further details
ParameterJust The WattsFluid Exercise
PriceFreeFree
Rating3.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 3 weeks—
AdsNo—
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — better—
Requires iOS16.614.0 — better
Further details — not scored
Size14 MB24 MB
Age rating4+4+
DeveloperZachary BellFIRST DEGREE FITNESS LIMITED

In-app purchases

1 purchases

Just The Watts

Subscriptions1
  • Premium$4.991 Month
None

Fluid Exercise

No in-app purchases

Questions

Is Just The Watts free?
Just The Watts is free to download, with in-app purchases available.
Is Fluid Exercise free?
Fluid Exercise is free to download, with no in-app purchases.

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