Comparison

Gravity 21 vs MDS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • View workout schedules
  • Book group training sessions
  • Receive workout reminders
  • Track membership expiry
  • Manage club services
Features
Read full description

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.

About

MDS

Features
Read full description

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

Gravity 213 screens
MDS4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

ScorecardNo meaningful differences
Gravity 21 versus MDS: the parameters behind the verdict, then further details
ParameterGravity 21MDS
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 5 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.413.4
Further details — not scored
Size29 MB20 MB
Age rating4+4+
DeveloperFitbaseAlexey Likhatskiy

In-app purchases

None

Gravity 21

No in-app purchases

None

MDS

No in-app purchases

Questions

Is Gravity 21 free?
Gravity 21 is free to download, with no in-app purchases.
Is MDS free?
MDS is free to download, with no in-app purchases.
Do Gravity 21 or MDS have ads?
Neither Gravity 21 nor MDS shows ads.
Which is updated more often, Gravity 21 or MDS?
Gravity 21 ships an update every 5 weeks, and MDS every 3 weeks. Most recently, Gravity 21 was updated on November 3, 2026 and MDS on November 11, 2026.

Other comparisons