# FLEX Study App vs TrackMG

The clearest difference is update cadence: TrackMG at every 5 weeks against FLEX Study App's every 5 months. FLEX Study App's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

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

FLEX Study App ships an update every 5 months, TrackMG every 5 weeks. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | FLEX Study App | TrackMG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trackmg/id6752991347/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 149 MB | 119 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Hello Thread](https://appshunter.io/developer/996237890) | [MediSafe Inc.](https://appshunter.io/developer/573916949) |

## What reviewers say

### FLEX Study App

[App page](https://appshunter.io/ios/app/flex-study-app/id1627659963)

**In-app purchases:** none


### TrackMG

[App page](https://appshunter.io/ios/app/trackmg/id6752991347)

Manage your myasthenia gravis with this app. Track symptoms weekly, view trends, add notes, and generate reports for your doctor. Set personal goals and prepare for appointments.

**Highlights:** Weekly symptom check-ins, Trend analysis, Personal notes, Appointment reminders, Shareable doctor reports, Personal goal setting

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is FLEX Study App free?

FLEX Study App is free to download, with no in-app purchases.

### Is TrackMG free?

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

### Do FLEX Study App or TrackMG have ads?

Neither FLEX Study App nor TrackMG shows ads.

### Which is updated more often, FLEX Study App or TrackMG?

FLEX Study App ships an update every 5 months, and TrackMG every 5 weeks. Most recently, FLEX Study App was updated on October 1, 2026 and TrackMG on September 29, 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.*