Comparison

Challenger Fit vs 31 Pilates Studio

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

Head to head
About

Challenger Fit

This fitness app gamifies workouts and daily activity into a motivating system. It offers challenges, progress tracking, and social features to encourage consistency and build healthier habits. Monitor your heart rate and reduce digital distractions for a more focused fitness journey.

Highlights
  • Gamified workouts and challenges
  • Personalized challenge creation
  • Step and daily activity tracking
  • Progress and history visualization
  • Digital distraction control
  • In-app heart rate monitoring
  • Social features and friend interaction
Features
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Challenger Fit is a social fitness platform with gamified elements, where workouts turn into forward momentum. Every workout matters here. Every step counts. Every day can become part of your progress. Challenger Fit helps you not only get started, but stay consistent. The app brings together workouts, challenges, personal challenges, steps, progress tracking, and social interaction into one system you will want to return to again and again. You open the app not just to complete an exercise. You enter a rhythm. You see what you have already done. You understand where you are going. And you feel that your progress is real. What makes Challenger Fit special: * workouts that become part of a bigger goal * challenges and personal challenges that help you stay focused and consistent * steps and daily activity that also contribute to your results * progress and history that show your journey through facts, not feelings * control features that help reduce distractions and build healthier digital habits * a built-in heart rate measurement feature that lets you track your heart rate using your phone’s rear camera and flash * friends, stories, and social features that create a lively and motivating environment Challenger Fit is built for people who want engagement, not pressure. Clarity, not chaos. A real path, not random attempts. When you see active days, completed exercises, progress in challenges, and your own results, motivation becomes stronger. You no longer just hope for results. You see them. Personal challenges make this experience even more flexible. You can create your own challenge, define a goal, invite other people, and build a format that fits your training style, your clients, your friends, or your personal discipline. The Control feature adds another layer of support. It helps you stay focused, reduce distractions, and return your attention to what truly matters. Short movement breaks become part of a healthier rhythm and a more mindful daily life. The heart rate feature helps you better understand your current condition during workouts and everyday activity. The heart rate monitor measures your heart rate using your phone’s rear camera and flash by tracking changes in blood flow at your fingertip. This makes monitoring your condition more accessible and convenient directly inside the app. Everything in the app is built around one idea: helping you become more disciplined, active, and stronger day by day. Challenges in Challenger Fit are not just a decorative element. They are a real engagement tool. They help keep your goal in focus, turn effort into a system, and let you feel that every workout brings you closer to your result. The social environment makes this journey even stronger. When there is activity, participation, content, progress, and movement around you, it becomes easier to stay in the process and easier to return to training. Challenger Fit is for people who want to: * train consistently * move more every day * see real progress * create personal challenges or participate in shared ones * stay motivated longer * reduce distractions and maintain better focus * track not only their activity, but also their physical condition * feel that they are not alone on this journey Challenger Fit is more than a fitness app. It is your rhythm, your discipline, your energy, and your progress in one space.

About

31 Pilates Studio

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31 Pilates Studio — студия пилатеса на реформерах для сильного, гибкого и сбалансированного тела. Тренировки направлены на укрепление глубоких мышц, улучшение осанки и осознанное движение без перегрузки суставов. Мобильное приложение 31 Pilates Studio — удобный доступ к тренировкам 24/7: актуальное расписание; запись на занятия; PUSH-уведомления о тренировке; информация по абонементам. Управляй тренировками в пару кликов вместе с 31 Pilates Studio.

Screenshots

Challenger Fit4 screens
31 Pilates Studio4 screens

Verdict

The call

The clearest difference is update cadence: Challenger Fit at every 5 days against 31 Pilates Studio's every 4 months. On price, in-app purchases and iOS requirement 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

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

Challenger Fit ships an update every 5 days, 31 Pilates Studio every 4 months. Both last shipped on October 24, 2026.

Scorecard1 real difference · 9 level
Challenger Fit versus 31 Pilates Studio: the parameters behind the verdict, then further details
ParameterChallenger Fit31 Pilates Studio
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 5 days — betterEvery 4 months
AdsNo—
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone — better—
Requires iOS16.015.1 — better
Further details — not scored
Size130 MB49 MB
Age rating12+4+
DeveloperDarya DavidyukVasiliy Suvorov

In-app purchases

None

Challenger Fit

No in-app purchases

None

31 Pilates Studio

No in-app purchases

Questions

Is Challenger Fit free?
Challenger Fit is free to download, with no in-app purchases.
Is 31 Pilates Studio free?
31 Pilates Studio is free to download, with no in-app purchases.
Which is updated more often, Challenger Fit or 31 Pilates Studio?
Challenger Fit ships an update every 5 days, and 31 Pilates Studio every 4 months. Most recently, Challenger Fit was updated on October 24, 2026 and 31 Pilates Studio on October 24, 2026.

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