SpineTracker vs Askidd
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SpineTracker
This digital health platform assists neurological recovery for both therapists and patients. It offers tailored rehabilitation therapy through in-app exercises and surveys, integrating with the health app and HealthKit.
- Neurological recovery aid
- Therapist and patient integration
- Daily tailored rehabilitation therapy
- In-app exercises and surveys
- Health app and HealthKit integration
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Spinetrak (https://spinetrak.stanford.edu/) is a digital health platform to aid neurological recovery for therapists and patients. Features integration with the health app and HealthKit. Work with your clinical researcher and therapist to manage daily, tailored rehabilitation therapy, entirely through your iPhone through in-app exercises and surveys. Join us to unlock the doors to neurological recovery.
Askidd
This application simplifies air sampling processes for professionals. It enables users to efficiently record cartridge usage, sync data to a secure cloud, and export information with ease. The app also remembers sampler names for streamlined repeat entries.
- Record cartridge insertion and removal
- Sync cartridges with secure backend
- Securely export cartridge data
- Remember sampler name between submissions
- International air sampling improvement
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Askidd is a feature rich app helping improve air sampling internationally! It allows people in charge of air samplers to: -- Record insertion and removal of cartridges -- Sync their cartridges with a secure backend -- Export cartridges securely -- Remember a sampler name between submits
Screenshots
Verdict
The clearest difference is update cadence: SpineTracker at every 10 days against Askidd's every 3 months. SpineTracker also leads on ratings volume (6 vs 2). On price, rating, in-app purchases and monetization model 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.
On the App Store both sit at effectively the same score — 5.0 for SpineTracker against 5.0 for Askidd. Both are backed by a comparable volume of ratings — 6 and 2 respectively.
SpineTracker ships an update every 10 days, Askidd every 3 months. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.
| Parameter | SpineTracker | Askidd |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) | 5.0 (2 ratings) |
| Number of ratings | 6 — better | 2 |
| Update frequency | Every 10 days — better | Every 3 months |
| Ads | No | — |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 36 MB | 50 MB |
| Age rating | 17+ | 4+ |
| Developer | Stanford University | University of Wisconsin-Madison Shared Apps |
Customer experience
SpineTracker
Askidd
In-app purchases
SpineTracker
No in-app purchases
Askidd
No in-app purchases
