Tiny Spines vs yoctoHTRTFit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tiny Spines
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Do you have a child that was diagnosed with scoliosis at a very young age? Is your child currently undergoing surgical or non-surgical treatment for their scoliosis? Do you wish that you could speak to other families who have children like yours while avoiding some of the misinformation and anxiety causing discussions present in Facebook groups? Tiny Spines is the app you have been looking for! Tiny Spines was created by pediatric orthopedic surgeons who specialize in adolescent and early onset scoliosis. The users of this app are curated by practicing pediatric orthopedic surgeons. This means that you can be confident that you are interacting with parents who have kid’s undergoing similar treatments as your own child. Key features of the app include: *Access to a validated, quality of life survey specifically designed to evaluate how the patient’s treatment is going from the parent’s and patient’s perspective. *HIPPA Compliant chat rooms are divided by the type of treatment your child is undergoing for their scoliosis. *Video tutorials on various etiologies for scoliosis and their possible treatment Tiny Spines provides only information, is not medical or treatment advice and may not be treated as such by the user. As such, this App may not be relied upon for the purposes of medical diagnosis or as a recommendation for medical care or treatment. The information on this App is not a substitute for professional medical advice, diagnosis or treatment. All content, including text, graphics, images and information, contained on or available through this App is for general information purposes only You are strongly encouraged to confirm any information obtained from or through this App with your physician or another professional healthcare provider and to review all information regarding any medical condition or treatment with your physician or other a professional healthcare provider.
yoctoHTRTFit
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yocto HTRTFit is an app that works with yoctoMat to automatically measure and record three functional-mobility tests: • Timed Up and Go (TUG) test – measures the time it takes to stand up from a chair, walk a set distance, return, and sit down. The sensors in yoctoMat detect each movement and time the sequence automatically. • Eyes-open Single-leg Stance test – measures how long the user can balance on one leg. yoctoMat recognises foot contact and records the duration automatically. • Five-times Sit-to-Stand test – measures the time required to stand up and sit down five times. yoctoMat counts the repetitions and records the total time, allowing comparison with past results. The app can be used in fitness, rehabilitation, and health-check settings to support evaluation of physical function and health management. Features • High-precision automatic measurement – real-time detection by yoctoMat sensors. • Data visualisation and storage – results are saved in the app and can be reviewed easily; trend analysis will be added later. • Simple operation – start the app and begin measurement with a single tap. Intended users • People managing the health of older adults • Medical and care professionals conducting rehabilitation or functional assessments • Athletes and trainers • Fitness-club and gym instructors Requirements • iOS 14.0 or later • Bluetooth connection with yoctoMat Use yocto HTRTFit to visualise and track physical performance for better health management.
Screenshots
Verdict
Tiny Spines and yoctoHTRTFit are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.
| Parameter | Tiny Spines | yoctoHTRTFit |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 43 MB | 86 MB |
| Age rating | 12+ | 4+ |
| Developer | Tiny Spines LLC | YOCTO CO.,LTD. |
In-app purchases
Tiny Spines
No in-app purchases
yoctoHTRTFit
No in-app purchases









