50 GYM vs Gravity 21
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
50 GYM
Stay updated with fitness center news and class schedules. Receive timely notifications about schedule changes and special offers.
- News updates
- Class schedule
- Schedule change notifications
- Special offers
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С помощью этого приложения вы можете следить за новостями, Расписанием занятий в фитнес центре, оперативно получать информацию об изменениях в расписании и специальных предложениях.
Gravity 21
Manage your fitness club memberships and class schedules. Book group sessions, receive workout reminders, and track your membership validity. Stay updated with your fitness journey.
- View workout schedules
- Book group training sessions
- Receive workout reminders
- Track membership expiry
- Manage club services
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Описание в маркете: Мобильное приложение для клиентов фитнес-клубов и спортивных студий В приложении клиенты смогут: Посмотреть актуальное расписание тренировок; Записаться на групповые тренировки; Получать PUSH-уведомления о предстоящей тренировке за 3 часа; Узнать срок действия абонементов и услуг.
Screenshots
Verdict
The clearest difference is review sentiment: Gravity 21 at 100% against 50 GYM's 82%. Gravity 21 also leads on iOS requirement (13.4 vs 15.0). 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.
50 GYM ships an update every 2 months, Gravity 21 every 5 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | 50 GYM | Gravity 21 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (29 ratings) — better | — |
| Positive reviews | 82.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 29 — better | — |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 59 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | FORMULA OOO | Fitbase |
Customer experience
50 GYM
Gravity 21
In-app purchases
50 GYM
No in-app purchases
Gravity 21
No in-app purchases









