# Studyflash vs Koro AI

The clearest difference is review sentiment: Koro AI at 100% against Studyflash's 46%. Koro AI also leads on in-app purchases (none vs 5) and ads (none vs shown). On price, monetization model, device support and iOS requirement there is nothing between them.

Both are free to download. Studyflash sells 5 in-app purchases, starting at $14.99 per month. Koro AI asks for nothing beyond the download.

Studyflash ships an update every 2 weeks, Koro AI every 5 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Studyflash | Koro AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (74 ratings)](https://appshunter.io/ios/app/studyflash-ai-study-app/id6737522601/reviews)** | — |
| Number of ratings | **74** | — |
| Positive reviews | 46.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Freemium | Freemium |
| Size | 189 MB | 18 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Studyflash](https://appshunter.io/developer/1776915238) | [Koro AI](https://appshunter.io/developer/6786231502) |

## What reviewers say

### Studyflash

[App page](https://appshunter.io/ios/app/studyflash-ai-study-app/id6737522601)

Transform your notes into smart flashcards in seconds. This AI-powered app helps students and pupils ace exams by creating personalized study materials from lectures, slides, and books. Optimize your learning with intelligent spaced repetition and personalized study plans.

**Highlights:** AI-powered flashcard creation, Personalized flashcards, Intelligent spaced repetition, Customizable learning plans, Upload lecture notes and books, Share flashcards with peers

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Studyflash Premium Monthly | $14.99 | per month |
| Studyflash Monthly | $14.99 | per month |
| Studyflash Premium Semesterly | $35.99 | per 3 months |
| Studyflash Premium Yearly | $99.99 | per year |
| Studyflash Yearly | $99.99 | per year |


### Koro AI

[App page](https://appshunter.io/ios/app/koro-ai-study-notes-and-prep/id6786231499)

Transform any course material into study aids like summaries, flashcards, and quizzes. This app guides your revision with a personalized study path, helping you learn faster and retain more information for exams.

**Highlights:** Instant summaries from documents, Auto-generated flashcards, Custom quiz mode, Ask questions about concepts, Personalized study path, Supports various document types

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Studyflash free?

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

### Is Koro AI free?

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

### Do Studyflash or Koro AI have ads?

Studyflash shows ads; Koro AI does not.

### Which is updated more often, Studyflash or Koro AI?

Studyflash ships an update every 2 weeks, and Koro AI every 5 days. Most recently, Studyflash was updated on November 2, 2026 and Koro AI 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.*