FitZone 24/7 vs UNDRGRND Training
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FitZone 24/7
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With the FitZone 24/7 App, you can access your assigned workout program, start tracking your workouts and meals, measure your results, work on daily habits assigned by your coach and achieve your fitness goals. - Access your training plan and track workouts - Schedule workouts and stay committed by beating your personal bests - Track progress towards your goals - Manage your nutrition intake as prescribed by your coach - Set health and fitness goals - Daily habit coaching - Message your coach in real-time - Track body measurements and take progress photos - Get push notification reminders for scheduled workouts and activities - Connect to wearable devices like Apple Watch (synced to Health app), Fitbit and Withings to sync body stats instantly Download the app today!
UNDRGRND Training
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The UNDRGRND Training app makes it very easy for you to manage your UNDRGRND Training account, book into our classes and events, watch our on-demand content, and keep in touch with us. You can easily message us if you have a question or want to share something with them. You can also follow our public feed to see any announcements we make, promos we run, or content we share.
Screenshots
Verdict
The clearest difference is device support: FitZone 24/7 at 4 against UNDRGRND Training's 2. On price, update cadence, ads and in-app purchases 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.
FitZone 24/7 ships an update every 6 weeks, UNDRGRND Training every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | FitZone 24/7 | UNDRGRND Training |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.5 | 15.1 — better |
| Further details — not scored | ||
| Size | 164 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Burn Functional Fitness | Momence, Inc. |
In-app purchases
FitZone 24/7
No in-app purchases
UNDRGRND Training
No in-app purchases
Questions
Is FitZone 24/7 free?
Is UNDRGRND Training free?
Do FitZone 24/7 or UNDRGRND Training have ads?
Which is updated more often, FitZone 24/7 or UNDRGRND Training?
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