Stretch House vs The Flex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stretch House
This app allows fitness club and sports studio clients to view schedules, book group classes, and receive workout reminders. It also helps users track their membership and service expiration dates.
- View workout schedules
- Book group classes
- Receive workout reminders
- Track membership expiration
- Check service validity
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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.
The Flex
Stay updated with studio news and schedules. Receive timely notifications about changes and special offers. Manage your fitness journey with ease.
- Studio news updates
- Schedule tracking
- Timely notifications
- Special offers
- Information on changes
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С помощью приложения вы можете следить за новостями, расписанием студии, оперативно получать информацию об изменениях в расписании и специальных предложениях
Screenshots
Verdict
The clearest difference is review sentiment: Stretch House at 86% against The Flex's 43%. Stretch House also leads on rating (5.0 vs 4.8). On price, ratings volume, update cadence and ads 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.
Stretch House holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 16 and 28 respectively. Written reviews point the same way: 86% of Stretch House's written reviews are positive against 43% of The Flex's.
Stretch House ships an update monthly, The Flex every 3 weeks. The most recent releases landed on September 20, 2026 and September 23, 2026 respectively.
| Parameter | Stretch House | The Flex |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (16 ratings) — better | 4.8 (28 ratings) |
| Positive reviews | 85.7% of reviews — better | 43.4% of reviews |
| Number of ratings | 16 | 28 — better |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 52 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | Vasiliy Suvorov | ООО «ФЛЕКС ИРКУТСК» |
Customer experience
Stretch House
The Flex
Bugs and requests
Stretch House
Not enough reviews yet to summarise bugs or requests.
The Flex
Reported bugs
15 issues- App is disabled/not working
- Login errors
- Cannot authorize in app
- App crashes frequently
- Error 1019 when booking
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- Error 1031 when cancelling
- Error 'Something went wrong'
- Cannot book or cancel sessions
- Personal cabinet not loading
- App is slow and lags
- Cannot add to calendar
- Personal cabinet errors (freezing, etc.)
- WhatsApp login issues (code not arriving)
- Application is disconnected
- All training sessions deleted if one is missed
Requested features
15 requests- Add ability to see number of people in queue
- Add ability to see available spots in schedule
- Return website functionality
- Improve schedule visibility (color coding, booking marks)
- Allow booking more than 6 sessions
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- Add ability to cancel sessions closer to start time
- Add ability to rate trainers
- Add ability to see price for master classes
- Add ability to leave trainer reviews
- Add ability to freeze membership via app
- Add option to filter by available spots
- Add quick access to schedule
- Add option to disable promotional notifications
- Improve error handling messages
- Add ability to book massage directly
In-app purchases
Stretch House
No in-app purchases
The Flex
No in-app purchases
