# MASS3D vs TrackStat Mobile App

The clearest difference is update cadence: TrackStat Mobile App at every 4 weeks against MASS3D's every 2 months. MASS3D's advantage is iOS requirement (12.0 vs 15.1). 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.

MASS3D ships an update every 2 months, TrackStat Mobile App every 4 weeks. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | MASS3D | TrackStat Mobile App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/mass3d/id972209124/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 56 MB | 38 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sole Supports](https://appshunter.io/developer/902541934) | [TrackStat](https://appshunter.io/developer/1676592794) |

## What reviewers say

### MASS3D

[App page](https://appshunter.io/ios/app/mass3d/id972209124)

This application enables the digital scanning of foot casts for the purpose of placing orthotic orders. It requires specific hardware and an account with the service provider to function. A video tutorial is available for guidance.

**Highlights:** 3D foot casting, Digital scanning, Orthotic order placement, Requires specific hardware, Sole Supports account integration

**Features:** macOS Compatibility

**In-app purchases:** none


### TrackStat Mobile App

[App page](https://appshunter.io/ios/app/trackstat-mobile-app/id6446195680)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MASS3D free?

MASS3D is free to download, with no in-app purchases.

### Is TrackStat Mobile App free?

TrackStat Mobile App is free to download, with no in-app purchases.

### Do MASS3D or TrackStat Mobile App have ads?

Neither MASS3D nor TrackStat Mobile App shows ads.

### Which is updated more often, MASS3D or TrackStat Mobile App?

MASS3D ships an update every 2 months, and TrackStat Mobile App every 4 weeks. Most recently, MASS3D was updated on October 6, 2026 and TrackStat Mobile App on October 8, 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.*