# MASTHAVE vs MastCell Tracker

The clearest difference is iOS requirement: MASTHAVE at 13.0 against MastCell Tracker's 26.5. On price, update cadence, 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.

MASTHAVE ships an update every 6 weeks, MastCell Tracker every 3 weeks. The most recent releases landed on September 11, 2026 and August 10, 2026 respectively.

## The numbers

| Metric | MASTHAVE | MastCell Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.3 (3 ratings)](https://appshunter.io/ios/app/mastcell-tracker/id6756976734/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 33 MB | 17 MB |
| Requires iOS | **13.0** | 26.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Moxie GmbH](https://appshunter.io/developer/1609430942) | [Aleksandra Suman](https://appshunter.io/developer/1863992139) |

## What reviewers say

### MASTHAVE

[App page](https://appshunter.io/ios/app/masthave/id6482291236)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is MASTHAVE free?

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

### Is MastCell Tracker free?

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

### Do MASTHAVE or MastCell Tracker have ads?

Neither MASTHAVE nor MastCell Tracker shows ads.

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

MASTHAVE ships an update every 6 weeks, and MastCell Tracker every 3 weeks. Most recently, MASTHAVE was updated on September 11, 2026 and MastCell Tracker on August 10, 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.*