# MCAS Tracker vs Upright

The clearest difference is update cadence: Upright at every 11 days against MCAS Tracker's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. MCAS Tracker sells 16 in-app purchases, starting at $4.95 per month and Upright sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

MCAS Tracker ships an update every 6 months, Upright every 11 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | MCAS Tracker | Upright |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (21 ratings)](https://appshunter.io/ios/app/mcas-tracker/id6754931863/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 238 MB | 29 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Digital Therapeutics](https://appshunter.io/developer/1721663167) | [Adelyons Software LLC](https://appshunter.io/developer/1889366918) |

## What reviewers say

### 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 |


### Upright

[App page](https://appshunter.io/ios/app/upright-pots-symptom-tracker/id6784344781)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upright Pro (Monthly) | $6.99 | per month |
| Upright Pro (Annual) | $39.99 | per year |
| Upright Pro (Lifetime) | $79.99 | one-time |


## Frequently asked questions

### Is MCAS Tracker free?

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

### Is Upright free?

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

### Do MCAS Tracker or Upright have ads?

Neither MCAS Tracker nor Upright shows ads.

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

MCAS Tracker ships an update every 6 months, and Upright every 11 days. Most recently, MCAS Tracker was updated on October 24, 2026 and Upright 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.*