Gravity 21 vs MDS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
MDS
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Профессиональная школа танцев Александра и Ксении Миловацких! С приложением вы сможете: - Смотреть актуальное расписание школы танцев; - Записаться на занятия индивидуально и в группах; - Есть как сольные, так и парные направления; - Приобретать абонементы; - Отслеживать остаток занятий и журнал записей.
Screenshots
Verdict
Gravity 21 and MDS are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Gravity 21 ships an update every 5 weeks, MDS every 3 weeks. The most recent releases landed on November 3, 2026 and November 11, 2026 respectively.
| Parameter | Gravity 21 | MDS |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.4 | 13.4 |
| Further details — not scored | ||
| Size | 29 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Fitbase | Alexey Likhatskiy |
In-app purchases
Gravity 21
No in-app purchases
MDS
No in-app purchases





