# MastCell Tracker vs Hypermobile

The clearest difference is rating: Hypermobile at 5.0 against MastCell Tracker's 3.3. MastCell Tracker's advantage is in-app purchases (none vs 2) and ratings volume (3 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Hypermobile sells 2 in-app purchases, starting at $5.99 per month. MastCell Tracker asks for nothing beyond the download.

Hypermobile holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

MastCell Tracker ships an update every 3 weeks, Hypermobile monthly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | MastCell Tracker | Hypermobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/mastcell-tracker/id6756976734/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hypermobile-eds-joint-tracker/id6783487872/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | **Free** | Freemium |
| Size | 17 MB | 3 MB |
| Requires iOS | 26.5 | 26.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Aleksandra Suman](https://appshunter.io/developer/1863992139) | [WILLIAM BARRY AGNEW](https://appshunter.io/developer/6778068361) |

## What reviewers say

### MastCell Tracker

[App page](https://appshunter.io/ios/app/mastcell-tracker/id6756976734)

This app helps individuals with Mast Cell Activation Syndrome (MCAS) log symptoms, flares, and potential triggers. It provides a structured way to record daily experiences, fostering self-awareness and consistency in managing complex health patterns.

**Highlights:** Log MCAS symptoms, Track flare events, Identify potential triggers, Record daily patterns, Organize health experiences, Improve self-awareness

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

**In-app purchases:** none


### Hypermobile

[App page](https://appshunter.io/ios/app/hypermobile-eds-joint-tracker/id6783487872)

Track joint events, Beighton scores, and comorbidities like POTS and MCAS. Gain insights into pain and fatigue trends, and generate PDF reports for medical appointments. All data stays on your device for privacy.

**Highlights:** Joint event logging with full-body map, Beighton score tracking with trend charts, Optional POTS and MCAS comorbidity modules, Daily check-ins for pain, fatigue, and meds, Insightful trend analysis of symptoms, Exportable PDF reports for clinicians

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $5.99 | per month |
| Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is MastCell Tracker free?

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

### Is Hypermobile free?

Hypermobile is free to download, with in-app purchases available.

### Which has better reviews, MastCell Tracker or Hypermobile?

Hypermobile is rated higher. MastCell Tracker averages 3.3 out of 5 from 3 ratings, while Hypermobile averages 5.0 from 1 ratings.

### Do MastCell Tracker or Hypermobile have ads?

Neither MastCell Tracker nor Hypermobile shows ads.

### Which is updated more often, MastCell Tracker or Hypermobile?

MastCell Tracker ships an update every 3 weeks, and Hypermobile monthly. Most recently, MastCell Tracker was updated on October 30, 2026 and Hypermobile on October 31, 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.*