# AI Study Flashcards vs RAYS

The clearest difference is in-app purchases: RAYS at none against AI Study Flashcards's 19. RAYS also leads on iOS requirement (13.0 vs 15.5). AI Study Flashcards's advantage is update cadence (fortnightly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. AI Study Flashcards sells 17 in-app purchases, starting at $4.99 per month. RAYS asks for nothing beyond the download.

AI Study Flashcards ships an update fortnightly, RAYS every 2 months. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | AI Study Flashcards | RAYS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (14 ratings)](https://appshunter.io/ios/app/ai-study-flashcards-voovo/id1593873644/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 65.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 262 MB | 33 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Voovo Hungary](https://appshunter.io/developer/1619807891) | [TSN Consultancy Services Ltd](https://appshunter.io/developer/1522274055) |

## What reviewers say

### AI Study Flashcards

[App page](https://appshunter.io/ios/app/ai-study-flashcards-voovo/id1593873644)

Create study flashcards rapidly using AI, voice, or images. This app leverages active recall and spaced repetition to help you memorize information faster for exams. Organize your learning materials and study efficiently.

**Highlights:** AI-generated flashcards from text, OCR diagram and fill-in-the-blanks flashcards, Voice input for rapid flashcard creation, Spaced repetition and rapid learning algorithms, Organized subject and topic management, Drag & Drop integration with note-taking apps

**Features:** Vision Pro support

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Voovo - Premium monthly | $4.99 | per month |
| Monthly Premium Subscription | $4.99 | per month |
| Premium Classroom 1 Month | $6.99 | per month |
| Öröklődés, változékonyság, evolúci… | $19.99 | per year |
| Classroom Premium 6 months | $22.99 | per 6 months |
| Yearly Premium Subscription | $34.99 | per year |
| Voovo - Premium annually | $35.99 | per year |
| Anaómia Túlélő 1 és 2 — Annual | $49.99 | per year |
| Anatomy & Physiology 1 (BIO 168)... | $59.99 | per year |
| Rhesus Medicine Learning App & R... | $59.99 | per 3 months |
| Biológia emelt szintű érettségi — … | $69.99 | per year |
| AP 1 & 2 Bundle (BIO 168 + BIO 169… | $79.99 | per year |
| Öröklődés, változékonyság, evolúci… | $29.99 | one-time |
| Bevezetés a biológiába — Lifetime | $29.99 | one-time |
| AP Microeconomics & Macroeconomi... | $69.90 | one-time |
| Lifetime Premium | $89.99 | one-time |
| Biológia emelt szintű érettségi — … | $99.99 | one-time |


### RAYS

[App page](https://appshunter.io/ios/app/rays/id6746649075)

**In-app purchases:** none


## Frequently asked questions

### Is AI Study Flashcards free?

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

### Is RAYS free?

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

### Do AI Study Flashcards or RAYS have ads?

Neither AI Study Flashcards nor RAYS shows ads.

### Which is updated more often, AI Study Flashcards or RAYS?

AI Study Flashcards ships an update fortnightly, and RAYS every 2 months. Most recently, AI Study Flashcards was updated on October 20, 2026 and RAYS on October 9, 2026.

---

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