# Parkinson Guide vs Phi

The clearest difference is iOS requirement: Phi at 13.4 against Parkinson Guide's 16.6. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 19, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Parkinson Guide | Phi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/parkinson-guide/id1514140778/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 75 MB | 33 MB |
| Requires iOS | 16.6 | **13.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Skyscraper Software GmbH](https://appshunter.io/developer/1153555733) | [RuneLab](https://appshunter.io/developer/1497549456) |

## What reviewers say

### Parkinson Guide

[App page](https://appshunter.io/ios/app/parkinson-guide/id1514140778)

This app supports individuals with Parkinson's disease, their families, and healthcare providers. It offers medication reminders, symptom tracking, and personalized exercise plans. The app also provides up-to-date information on symptoms and treatment options.

**Highlights:** Medication plan with reminders, Symptom and progress tracking, Daily mobility assessment, Diary for events and symptoms, Selectable exercise videos, Individual training plan creation

**In-app purchases:** none


### Phi

[App page](https://appshunter.io/ios/app/phi/id6480114005)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Parkinson Guide free?

Parkinson Guide is free to download, with no in-app purchases.

### Is Phi free?

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

### Do Parkinson Guide or Phi have ads?

Neither Parkinson Guide nor Phi shows ads.

### Which is updated more often, Parkinson Guide or Phi?

Parkinson Guide ships an update every 2 months, and Phi every 2 months. Most recently, Parkinson Guide was updated on September 19, 2026 and Phi on September 12, 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.*