# APDA Symptom Tracker vs Corra

The clearest difference is review sentiment: Corra at 71% against APDA Symptom Tracker's 13%. Corra also leads on rating (4.9 vs 3.0) and update cadence (monthly vs every 6 months). APDA Symptom Tracker's advantage is in-app purchases (none vs 3). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Corra sells 3 in-app purchases, starting at $2.99 per month. APDA Symptom Tracker asks for nothing beyond the download.

Corra holds the better App Store score, 4.9 against 3.0. Both are backed by a comparable volume of ratings — 4 and 16 respectively. Written reviews point the same way: 13% of APDA Symptom Tracker's written reviews are positive against 71% of Corra's.

APDA Symptom Tracker ships an update every 6 months, Corra monthly. The most recent releases landed on July 7, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | APDA Symptom Tracker | Corra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/apda-symptom-tracker/id1461128216/reviews) | **[4.9 (16 ratings)](https://appshunter.io/ios/app/corra-symptom-tracker/id1567298743/reviews)** |
| Number of ratings | 4 | **16** |
| Positive reviews | 12.5% of reviews | **71.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | **Free** | Freemium |
| Size | 17 MB | 55 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [American Parkinson Disease Association, Inc](https://appshunter.io/developer/1461127795) | [Corra](https://appshunter.io/developer/1567298745) |

## What reviewers say

### APDA Symptom Tracker

[App page](https://appshunter.io/ios/app/apda-symptom-tracker/id1461128216)

Track Parkinson's disease symptoms and create reports for your care team. Features include medication tracking, personalized reminders, and a comprehensive user profile to share challenges.

**Highlights:** Symptom tracking (motor and non-motor), Medication tracker with dosage and timing, Customizable user profile, Personalized reminders and notifications, Report generation for healthcare teams, Spanish language support

**Features:** macOS Compatibility

**In-app purchases:** none


### Corra

[App page](https://appshunter.io/ios/app/corra-symptom-tracker/id1567298743)

This health assistant helps you track and manage your personal health goals. Its AI analyzes your logged data to identify individual triggers and provide personalized insights for your health journey. It's designed for anyone seeking a deeper understanding of their unique health patterns.

**Highlights:** Personalized health goal tracking, AI-driven trigger identification, Individualized health insights, Health journey management, Customizable logging

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $2.99 | per month |
| 6 Month | $79.99 | per 6 months |
| 12 Month | $89.99 | per year |


## Frequently asked questions

### Is APDA Symptom Tracker free?

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

### Is Corra free?

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

### Which has better reviews, APDA Symptom Tracker or Corra?

Corra is rated higher. APDA Symptom Tracker averages 3.0 out of 5 from 4 ratings, while Corra averages 4.9 from 16 ratings.

### Do APDA Symptom Tracker or Corra have ads?

Neither APDA Symptom Tracker nor Corra shows ads.

### Which is updated more often, APDA Symptom Tracker or Corra?

APDA Symptom Tracker ships an update every 6 months, and Corra monthly. Most recently, APDA Symptom Tracker was updated on July 7, 2026 and Corra on June 1, 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.*