# Studify App AI vs GetPrincipia

The clearest difference is update cadence: Studify App AI at every 2 days against GetPrincipia's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Studify App AI sells 3 in-app purchases, starting at $9.99 per 7 days and GetPrincipia sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Studify App AI ships an update every 2 days, GetPrincipia every 2 months. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Studify App AI | GetPrincipia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/studify-app-ai/id6742397646/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | Freemium | — |
| Size | 51 MB | 38 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rockford Financial LLC](https://appshunter.io/developer/1796910033) | [Axiom 38 LLC](https://appshunter.io/developer/1887968723) |

## What reviewers say

### Studify App AI

[App page](https://appshunter.io/ios/app/studify-app-ai/id6742397646)

This AI-powered application transforms learning materials into structured study notes. It offers tools like flashcards, quizzes, and mind maps to enhance understanding and retention. Supports multiple languages and integrates with various content formats.

**Highlights:** AI-generated study notes, Flashcard creation, Quiz generation, Mind map visualization, Feynman Technique learning, Multilingual support (10 languages), Content import (YouTube, PDF, audio, images)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $9.99 | per 7 days |
| Monthly Subscription | $17.99 | per month |
| Yearly Subscription | $89.99 | per year |


### GetPrincipia

[App page](https://appshunter.io/ios/app/getprincipia/id6761139348)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Annual | $44.99 | per year |


## Frequently asked questions

### Is Studify App AI free?

Studify App AI is free to download, with in-app purchases available.

### Is GetPrincipia free?

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

### Do Studify App AI or GetPrincipia have ads?

Neither Studify App AI nor GetPrincipia shows ads.

### Which is updated more often, Studify App AI or GetPrincipia?

Studify App AI ships an update every 2 days, and GetPrincipia every 2 months. Most recently, Studify App AI was updated on October 28, 2026 and GetPrincipia on October 31, 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.*