# iPACES Studies vs APDA Symptom Tracker

The clearest difference is rating: iPACES Studies at 5.0 against APDA Symptom Tracker's 3.0. iPACES Studies also leads on update cadence (every 3 weeks vs every 6 months). On price, ratings volume, 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.

iPACES Studies holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 6 respectively.

iPACES Studies ships an update every 3 weeks, APDA Symptom Tracker every 6 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | iPACES Studies | APDA Symptom Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ipaces-studies/id1452121691/reviews)** | [3.0 (6 ratings)](https://appshunter.io/ios/app/apda-symptom-tracker/id1461128216/reviews) |
| Number of ratings | 4 | **6** |
| Positive reviews | — | 12.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free | Free |
| Size | 753 MB | 17 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iPACES LLC](https://appshunter.io/developer/1817523745) | [American Parkinson Disease Association, Inc](https://appshunter.io/developer/1461127795) |

## What reviewers say

### iPACES Studies

[App page](https://appshunter.io/ios/app/ipaces-studies/id1452121691)

Engage in neuro-exercises designed to enhance cognitive function. This application offers a preview of research-backed mental training or a pathway to join a scientific study.

**Highlights:** Cognitive function improvement, Neuro-exercise training, Research study participation, Preview of mental exercises, Designed for Apple Watch

**Features:** Apple Watch app

**In-app purchases:** none


### 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


## Frequently asked questions

### Is iPACES Studies free?

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

### Is APDA Symptom Tracker free?

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

### Which has better reviews, iPACES Studies or APDA Symptom Tracker?

iPACES Studies is rated higher. iPACES Studies averages 5.0 out of 5 from 4 ratings, while APDA Symptom Tracker averages 3.0 from 6 ratings.

### Do iPACES Studies or APDA Symptom Tracker have ads?

Neither iPACES Studies nor APDA Symptom Tracker shows ads.

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

iPACES Studies ships an update every 3 weeks, and APDA Symptom Tracker every 6 months. Most recently, iPACES Studies was updated on October 24, 2026 and APDA Symptom 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.*