# Stdy AI vs AI Study Sheet

Stdy AI and AI Study Sheet are too close to call on the numbers: across 8 compared parameters — price, review sentiment, update cadence and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Stdy AI sells 4 in-app purchases, starting at $6.99 per month and AI Study Sheet sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Stdy AI ships an update every 11 days, AI Study Sheet every 6 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | Stdy AI | AI Study Sheet |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 6 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 18 MB | 9 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Trend Vibe](https://appshunter.io/developer/1813152500) | [Masaki Iino](https://appshunter.io/developer/6778272211) |

## What reviewers say

### Stdy AI

[App page](https://appshunter.io/ios/app/stdy-ai-lecture-note-taker/id6760990243)

This AI-powered learning app helps students efficiently organize lecture materials, notes, and recordings. It summarizes complex documents, generates practice quizzes, and offers AI chat support for quick clarification. Features include automatic note-taking from lectures, flashcards, and memorization tools for effective exam preparation.

**Highlights:** AI lecture material summarization, Automatic lecture note-taking, Practice exam generation, Exam paper analysis and problem generation, Flashcard creation for repetition, Memorization notebook, AI chat for study questions, 90+ language support for lecture recording

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Study AI Pro Monthly | $6.99 | per month |
| 스터디 AI Pro | $34.99 | per 6 months |
| Stdy AI Pro Yearly (Promotion) | $44.99 | per year |
| 스터디 AI Pro | $59.99 | per year |


### AI Study Sheet

[App page](https://appshunter.io/ios/app/ai-study-sheet-flashcards/id6782023263)

Transform existing study materials into active-recall quizzes with AI. Snap photos or import PDFs, and the app automatically masks key terms for spaced repetition. Review materials with an auto-reveal mode that adapts to your learning behavior.

**Highlights:** Import photos and PDFs, Automatic AI masking of key terms, Review reminders, Auto Study Mode with sequential reveal, Adaptive learning based on study behavior, Organized study material library, Flexible material viewing and editing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Saves | $4.99 | one-time |


## Frequently asked questions

### Is Stdy AI free?

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

### Is AI Study Sheet free?

AI Study Sheet is free to download, with in-app purchases available.

### Do Stdy AI or AI Study Sheet have ads?

Neither Stdy AI nor AI Study Sheet shows ads.

### Which is updated more often, Stdy AI or AI Study Sheet?

Stdy AI ships an update every 11 days, and AI Study Sheet every 6 days. Most recently, Stdy AI was updated on October 28, 2026 and AI Study Sheet on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*