# Glucose Watch vs MCAS Tracker

The clearest difference is review sentiment: MCAS Tracker at 75% against Glucose Watch's 0%. MCAS Tracker also leads on price (Free vs $2.99) and rating (4.4 vs 1.0). Glucose Watch's advantage is in-app purchases (none vs 16) and update cadence (monthly vs every 6 months). On ads there is nothing between them.

MCAS Tracker is free to download; Glucose Watch costs $2.99 up front. MCAS Tracker sells 16 in-app purchases, starting at $4.95 per month. Glucose Watch asks for nothing beyond the download.

MCAS Tracker holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: MCAS Tracker has 21 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Glucose Watch's written reviews are positive against 75% of MCAS Tracker's.

Glucose Watch ships an update monthly, MCAS Tracker every 6 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Glucose Watch | MCAS Tracker |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/glucose-watch/id1494633978/reviews) | **[4.4 (21 ratings)](https://appshunter.io/ios/app/mcas-tracker/id6754931863/reviews)** |
| Number of ratings | 1 | **21** |
| Positive reviews | 0.0% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 5 MB | 238 MB |
| Requires iOS | 26.0 | **15.5** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Edison Cuenca](https://appshunter.io/developer/1342750900) | [Digital Therapeutics](https://appshunter.io/developer/1721663167) |

## What reviewers say

### Glucose Watch

[App page](https://appshunter.io/ios/app/glucose-watch/id1494633978)

Track vital health metrics like glucose, blood pressure, and nutrition directly from your watch. Visualize trends with color-coded readings and customizable complications. Integrates with health apps for comprehensive data management.

**Highlights:** Standalone watch tracking, Color-coded glucose and BP readings, Nutrition facts tracking (calories, carbs, etc.), Activity tracking (sleep, steps, exercise), Customizable watch complications, BMI calculation, Glucose and nutrition trend charts

**Features:** Apple Watch app

**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 Glucose Watch free?

Glucose Watch costs $2.99, with no in-app purchases.

### Is MCAS Tracker free?

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

### Which has better reviews, Glucose Watch or MCAS Tracker?

MCAS Tracker is rated higher. Glucose Watch averages 1.0 out of 5 from 1 ratings, while MCAS Tracker averages 4.4 from 21 ratings.

### Do Glucose Watch or MCAS Tracker have ads?

Neither Glucose Watch nor MCAS Tracker shows ads.

### Which is updated more often, Glucose Watch or MCAS Tracker?

Glucose Watch ships an update monthly, and MCAS Tracker every 6 months. Most recently, Glucose Watch was updated on October 24, 2026 and MCAS Tracker on October 24, 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.*