The SIX vs Cadnce
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
The SIX
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The SIX is the new way to rate your fitness. Built in collaboration with Gymshark, The SIX gives you a single performance rating across key pillars of fitness so you can finally show how good you really are in the gym. No guessing. No ego. No noise. Just your data, your effort, your proof. What you can do inside The SIX: * Complete structured fitness tests that cover strength, power, speed, capacity, endurance, and conditioning * Get your personal SIX rating based on your results * Track your progress over time as your rating increases * Create head to head comparisons with friends to see who wins, loses, or ties across each of The SIX * Record in-app video of your attempts so others can watch your lifts and efforts * Learn correct technique from Gymshark Lifting Club coaches with built-in movement guides and videos * Share achievement stickers and rating cards straight to Instagram and other social channels for social proof * Build social currency around your effort, not just your appearance * Compete on leaderboards and see where you stand The SIX creates a democratised rating for fitness. It gives every lifter and gym goer one clear number that reflects real performance, not opinion. Your training already matters. Now it counts. What is your SIX?
Cadnce
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Cadnce is a performance platform for hybrid athletes. It brings strength, endurance, and rhythm together to help you understand how your training is really progressing. Most fitness apps track workouts in isolation. Cadnce focuses on the relationship between strength, endurance, and consistency over time โ so your training actually makes sense. With Cadnce, you can: Track strength and endurance in one place Understand your training rhythm across weeks and months See how consistency influences performance Train with clarity Cadnce is built for all athletes who train at any level and want a single, coherent view of progress.
Screenshots
Verdict
The clearest difference is update cadence: The SIX at weekly against Cadnce's every 3 weeks. The SIX also leads on iOS requirement (15.6 vs 17.2). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
The SIX ships an update weekly, Cadnce every 3 weeks. The most recent releases landed on October 25, 2026 and September 30, 2026 respectively.
| Parameter | The SIX | Cadnce |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly โ better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 15.6 โ better | 17.2 |
| Further details โ not scored | ||
| Size | 97 MB | 11 MB |
| Age rating | 17+ | 4+ |
| Developer | Archon Combine Limited | KM DIGITAL SOLUTIONS LTD |
In-app purchases
The SIX
No in-app purchases
Cadnce
No in-app purchases









