YO4 vs Fifth Gym
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
YO4
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Guiding you through your health and fitness journey! - Book classes online in just a few clicks - Create your own exercise programmes or select from a range provided by the club - Track your progress from all your workouts - Keep track of your body measurements and progress - Take part in regular fitness challenges - Contact club staff directly - Interact and get to know your fellow members - See all the latest club news, offers and events - Video Workout Library Apple Health App Integration Track your progress with our HealthKit app integration to import and measure your daily steps, distance or calories burnt. Also use HealthKit to import your data from a range of different wearable devices.
Fifth Gym
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Guiding you through your health and fitness journey! - Book classes online in just a few clicks - Take part in regular fitness challenges - Contact club staff directly - See all the latest club news, offers and events - Refer Friends to the club online Apple Health App Integration Track your progress with our HealthKit app integration to import and measure your daily steps, distance or calories burnt. Also use HealthKit to import your data from a range of different wearable devices.
Screenshots
Verdict
The clearest difference is update cadence: Fifth Gym at every 2 days against YO4's every 4 months. On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
YO4 ships an update every 4 months, Fifth Gym every 2 days. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.
| Parameter | YO4 | Fifth Gym |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 55 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | TeamUp Sports | Ashbourne |
In-app purchases
YO4
No in-app purchases
Fifth Gym
No in-app purchases
Questions
Is YO4 free?
Is Fifth Gym free?
Do YO4 or Fifth Gym have ads?
Which is updated more often, YO4 or Fifth Gym?
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