# IANKI Flashcards vs RAYS

The clearest difference is in-app purchases: RAYS at none against IANKI Flashcards's 2. RAYS also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.6). IANKI Flashcards's advantage is update cadence (weekly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. IANKI Flashcards sells 2 in-app purchases, starting at $9.99 per month. RAYS asks for nothing beyond the download.

IANKI Flashcards ships an update weekly, RAYS every 2 months. Both last shipped on October 9, 2026.

## The numbers

| Metric | IANKI Flashcards | RAYS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (567 ratings)](https://appshunter.io/ios/app/ianki-flashcards/id1464687230/reviews)** | — |
| Number of ratings | **567** | — |
| Positive reviews | 78.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 77 MB | 33 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [tomokazu murase](https://appshunter.io/developer/1464687229) | [TSN Consultancy Services Ltd](https://appshunter.io/developer/1522274055) |

## What reviewers say

### IANKI Flashcards

[App page](https://appshunter.io/ios/app/ianki-flashcards/id1464687230)

This app helps you memorize words and phrases using a spaced repetition system. It tests your knowledge and focuses on words you've mistaken for better retention. Supports a wide range of languages for learning.

**Highlights:** Spaced repetition learning, Memorization testing, Review mistaken words, Multi-language support, 7-day free trial

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $100.00 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Convenient for learning
- 💡 Helpful for improving vocabulary
- 👍 Great for language learning
- 👍 Comfortable and easy to navigate

**What reviewers complain about**

- 🐛 Issues with audio/pronunciation
- 🐛 Occasional crashes or bugs
- 🔋 High battery consumption
- 🔒 Concerns about forced reviews

**Reported bugs**

- Same word displayed on both sides of flashcards
- Incorrect translations for some languages
- Inability to delete or customize pre-made flashcards

**Requested features**

- Add more language options
- Improve audio quality and pronunciation
- Provide more customization options
- Add ability to report errors or issues


### RAYS

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

**In-app purchases:** none


## Frequently asked questions

### Is IANKI Flashcards free?

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

### Is RAYS free?

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

### Do IANKI Flashcards or RAYS have ads?

IANKI Flashcards shows ads; RAYS does not.

### Which is updated more often, IANKI Flashcards or RAYS?

IANKI Flashcards ships an update weekly, and RAYS every 2 months. Most recently, IANKI Flashcards was updated on October 9, 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.*