Comparison

Spine vs StretchFit

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

Head to head
About

Spine

Features
Read full description

This will help maintain a good posture, the app measures what you consider to be good posture, and how much you vary from that whilst sitting at your desk the app is intended for guidance only, and a doctor or a medical professional should always be consulted before any treatment or medication is changed Terms of use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

StretchFit

Features
Read full description

The StretchfFit App is your gateway to achieving your health and fitness goals with Marc Etienne as your personal trainer, right from your phone. Our app is your key to unlocking a passion for fitness and reaching your wellness milestones. Designed for all body types, you have the flexibility to tailor your fitness routine. Choose your weekly training frequency and indulge in a plethora of delectable recipes. You'll receive daily workouts and a diet plan from a library brimming with nutritious and delightful dishes. Additionally, you can seamlessly sync your Apple Watch to monitor your progress during live workout sessions. Our app is an advocate for a wholesome and attainable lifestyle suitable for everyone. Expect a variety of workout intensities that cater to all fitness levels, none exceeding one hour. Enjoy a diverse range of features, including quick and efficient workouts, engaging challenges, weekly live sessions, and an inviting community of individuals who prioritize their fitness and health journey. Join us today, and let's put your well-being first. We have been using Health Kit to facilitate users to track their health data when they do workouts. They can enable the iWatch option from the devices section under Account, the user has to open the iWatch App and Start Session. The health data like Heart Rate and Calorie Burn will be seen in the Workouts Menu under Account. Follow the link https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ for the Terms of Use

Screenshots

Spine3 screens
StretchFit4 screens

Verdict

The call

The clearest difference is in-app purchases: Spine at none against StretchFit's 1. Spine also leads on update cadence (every 3 weeks vs every 6 weeks). StretchFit's advantage is device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. StretchFit sells 1 in-app purchase, starting at $29.99 per month. Spine asks for nothing beyond the download.

UpkeepUpdate frequency

Spine ships an update every 3 weeks, StretchFit every 6 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard3 real differences ยท 3 level
Spine versus StretchFit: the parameters behind the verdict, then further details
ParameterSpineStretchFit
PriceFreeFree
Update frequencyEvery 3 weeks โ€” betterEvery 6 weeks
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPodiPhone, iPad, iPod, Apple Watch โ€” better
Requires iOS13.013.0
Further details โ€” not scored
Size62 MB154 MB
Age rating4+17+
DeveloperMartin HermannRemote Coach Ltd

In-app purchases

None

Spine

No in-app purchases

1 purchases

StretchFit

Subscriptions1
  • Monthly Subscription$29.991 Month

Questions

Is Spine free?
Spine is free to download, with no in-app purchases.
Is StretchFit free?
StretchFit is free to download, with in-app purchases available.
Do Spine or StretchFit have ads?
Neither Spine nor StretchFit shows ads.
Which is updated more often, Spine or StretchFit?
Spine ships an update every 3 weeks, and StretchFit every 6 weeks. Most recently, Spine was updated on November 3, 2026 and StretchFit on October 30, 2026.

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