# SpineTracker vs AZ_D7404C00001

The clearest difference is update cadence: SpineTracker at every 10 days against AZ_D7404C00001's every 3 weeks. AZ_D7404C00001's advantage is iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SpineTracker ships an update every 10 days, AZ_D7404C00001 every 3 weeks. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | SpineTracker | AZ_D7404C00001 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/spinetracker/id1492554151/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 36 MB | 73 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Stanford University](https://appshunter.io/developer/292922032) | [ERT,INC](https://appshunter.io/developer/1160214546) |

## What reviewers say

### SpineTracker

[App page](https://appshunter.io/ios/app/spinetracker/id1492554151)

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.

**Highlights:** Neurological recovery aid, Therapist and patient integration, Daily tailored rehabilitation therapy, In-app exercises and surveys, Health app and HealthKit integration

**In-app purchases:** none


### AZ_D7404C00001

[App page](https://appshunter.io/ios/app/az-d7404c00001/id6467190907)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SpineTracker free?

SpineTracker is free to download, with no in-app purchases.

### Is AZ_D7404C00001 free?

AZ_D7404C00001 is free to download, with no in-app purchases.

### Do SpineTracker or AZ_D7404C00001 have ads?

Neither SpineTracker nor AZ_D7404C00001 shows ads.

### Which is updated more often, SpineTracker or AZ_D7404C00001?

SpineTracker ships an update every 10 days, and AZ_D7404C00001 every 3 weeks. Most recently, SpineTracker was updated on October 14, 2026 and AZ_D7404C00001 on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*