# MCAS Insight vs MCAS Tracker

The clearest difference is price: MCAS Tracker at Free against MCAS Insight's $0.99. MCAS Tracker also leads on ratings volume (18 vs 1). MCAS Insight's advantage is rating (5.0 vs 4.5) and in-app purchases (none vs 16). On ads, device support and iOS requirement there is nothing between them.

MCAS Tracker is free to download; MCAS Insight costs $0.99 up front. MCAS Tracker sells 16 in-app purchases, starting at $4.95 per month. MCAS Insight asks for nothing beyond the download.

MCAS Insight holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: MCAS Tracker has 18 ratings behind it against 1, so its average is the more settled of the two.

MCAS Insight ships an update every 2 days, MCAS Tracker every 6 months. The most recent releases landed on August 22, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | MCAS Insight | MCAS Tracker |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mcas-insight/id6748612002/reviews)** | [4.5 (18 ratings)](https://appshunter.io/ios/app/mcas-tracker/id6754931863/reviews) |
| Number of ratings | 1 | **18** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 6 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 23 MB | 238 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Nicholas Relstab](https://appshunter.io/developer/1713160644) | [Digital Therapeutics](https://appshunter.io/developer/1721663167) |

## What reviewers say

### MCAS Insight

[App page](https://appshunter.io/ios/app/mcas-insight/id6748612002)

This app helps individuals manage Mast Cell Activation Syndrome (MCAS) by tracking symptoms, identifying triggers, and logging medications. It provides detailed reports for healthcare providers and offers custom reminders for treatments. Designed with user input, it aims to simplify daily management and empower users.

**Highlights:** Daily symptom logging, Flare tracking, Trigger identification, Medication log, Custom reminders, Report generation, Privacy-focused data storage

**Features:** macOS Compatibility

**In-app purchases:** none


### MCAS Tracker

[App page](https://appshunter.io/ios/app/mcas-tracker/id6754931863)

This app helps individuals manage Mast Cell Activation Syndrome by tracking symptoms, food intake, and environmental triggers. It offers advanced analytics to identify patterns and provides secure, exportable reports for healthcare providers. The app aims to offer clarity and actionable insights for better health management.

**Highlights:** Symptom tracking (hives, itching, flushing), Food and supplement logging, Trigger identification (environmental, emotional), Advanced analytics and correlation analysis, Medication tracking, Daily health journal, Secure, exportable reports

**Features:** macOS Compatibility, Siri integration, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| flex pass | $4.95 | per month |
| easy pass | $7.99 | per 7 days |
| flex pass | $12.99 | per month |
| carey ai max | $19.99 | per month |
| yearly access | $19.99 | per year |
| smart pass | $19.99 | per year |
| carey ai ultra | $29.99 | per month |
| plus | $29.99 | per year |
| limited discount | $34.99 | per year |
| Premium Yearly | $34.99 | per year |
| yearly access | $39.99 | per year |
| Extended Trial | $39.99 | per year |
| full access | $49.99 | per year |
| store credit | $1.99 | one-time |
| carey ai credits | $8.99 | one-time |
| lifetime upgrade | $119.99 | one-time |


## Frequently asked questions

### Is MCAS Insight free?

MCAS Insight costs $0.99, with no in-app purchases.

### Is MCAS Tracker free?

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

### Which has better reviews, MCAS Insight or MCAS Tracker?

MCAS Insight is rated higher. MCAS Insight averages 5.0 out of 5 from 1 ratings, while MCAS Tracker averages 4.5 from 18 ratings.

### Do MCAS Insight or MCAS Tracker have ads?

Neither MCAS Insight nor MCAS Tracker shows ads.

### Which is updated more often, MCAS Insight or MCAS Tracker?

MCAS Insight ships an update every 2 days, and MCAS Tracker every 6 months. Most recently, MCAS Insight was updated on August 22, 2026 and MCAS Tracker on September 20, 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.*