Comparison

3F GYM vs Stretchr

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

Head to head
About

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.

Highlights
  • Purchase gym memberships
  • Book Calisthenics classes
  • Book CrossFit classes
  • View class information
  • Manage gym services
Features
Read full description

3F GYM app allows you to purchase 3F GYM memberships, book Calisthenics or CrossFit classes, and check different classes information.

About

Stretchr

Features
Read full description

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

3F GYM4 screens
Stretchr4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

3F GYM ships an update every 3 days, Stretchr monthly. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 7 level
3F GYM versus Stretchr: the parameters behind the verdict, then further details
Parameter3F GYMStretchr
PriceFreeFree
Rating5.0 (20 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings20 — better—
Update frequencyEvery 3 days — betterMonthly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS11.0 — better15.1
Further details — not scored
Size62 MB66 MB
Age rating17+12+
DeveloperFull Force FitnessAdrien Marchetti

In-app purchases

None

3F GYM

No in-app purchases

2 purchases

Stretchr

Subscriptions2
  • Monthly subscription$8.991 Month
  • Annual subscription14 Days trial$79.991 Year

Questions

Is 3F GYM free?
3F GYM is free to download, with no in-app purchases.
Is Stretchr free?
Stretchr is free to download, with in-app purchases available.
Do 3F GYM or Stretchr have ads?
Neither 3F GYM nor Stretchr shows ads.
Which is updated more often, 3F GYM or Stretchr?
3F GYM ships an update every 3 days, and Stretchr monthly. Most recently, 3F GYM was updated on October 24, 2026 and Stretchr on October 10, 2026.

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