3F GYM vs Stretchr
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3F GYM
This app enables users to manage their gym memberships, book specialized classes like Calisthenics and CrossFit, and access detailed class information. It provides a convenient way to engage with gym services and schedules.
- Purchase gym memberships
- Book Calisthenics classes
- Book CrossFit classes
- View class information
- Manage gym services
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3F GYM app allows you to purchase 3F GYM memberships, book Calisthenics or CrossFit classes, and check different classes information.
Stretchr
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You already move. Strechr makes sure your body can keep up. Built for people who run, lift, cycle, surf, or just refuse to slow down. Strechr gives you short, targeted mobility sessions focused on what your body actually needs. No generic stretches, no hour-long routines. Just the right work, done consistently, on the areas that hold you back. HOW IT WORKS Answer a few questions about your sport, your tight spots, and how much time you have. Strechr builds your protocol around your answers, whether that's your hips, knees, shoulders, or wherever you need it most.Each session runs 10 to 30 minutes. You pick the time, Strechr picks the exercises.As you progress, new movements unlock. Things that felt stiff in week one start feeling different by week four. That's the point. WHAT YOU GET Mobility sessions built around your weak zones Strength and stretch combined, not just passive holds Breathwork to open and close each session Progressive unlocks as your body adapts Morning, evening, and post-training formats WHO IT'S FOR You don't have to be a pro athlete to use Strechr. If you move regularly and want to keep moving without pain, stiffness, or injury, this is for you.Runners dealing with knee or hip tension. Cyclists who feel tight through the lower back. Lifters losing shoulder mobility from heavy pressing. Anyone who keeps putting off their stretching and finally wants a simple way to actually do it.Strechr requires a subscription, available monthly or yearly. The yearly plan includes a SUBSCRIPTION INFORMATION Strechr requires a subscription to unlock full access. Plans: monthly and yearly The yearly plan includes a 14-day free trial Payment is charged when you confirm your purchase Manage or cancel anytime in your Account Settings Subscriptions auto-renew unless cancelled at least 24 hours before the renewal date EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: 3F GYM at none against Stretchr's 2. 3F GYM also leads on update cadence (every 3 days vs monthly) and iOS requirement (11.0 vs 15.1). On price, ads and device support 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. Stretchr sells 2 in-app purchases, starting at $8.99 per month. 3F GYM asks for nothing beyond the download.
3F GYM ships an update every 3 days, Stretchr monthly. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.
| Parameter | 3F GYM | Stretchr |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (20 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 20 — better | — |
| Update frequency | Every 3 days — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 62 MB | 66 MB |
| Age rating | 17+ | 12+ |
| Developer | Full Force Fitness | Adrien Marchetti |
In-app purchases
3F GYM
No in-app purchases
Stretchr
- Monthly subscription$8.991 Month
- Annual subscription14 Days trial$79.991 Year









