# Ludus vs Interact

The clearest difference is update cadence: Ludus at every 5 days against Interact's fortnightly. Ludus also leads on iOS requirement (16.4 vs 26.0). Interact's advantage is device support (4 vs 1). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Ludus sells 2 in-app purchases, starting at $7.99 per month and Interact sells 2 in-app purchases, starting at $12.49 per month. Whichever you choose, the download price is not the number that matters.

Ludus ships an update every 5 days, Interact fortnightly. The most recent releases landed on October 3, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Ludus | Interact |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (17 ratings)](https://appshunter.io/ios/app/ludus-language-learning/id6749568166/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 86.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Freemium | — |
| Size | 166 MB | 31 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Apple TV, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Ludus-Language, Inc.](https://appshunter.io/developer/1818287014) | [Bijan Boustani](https://appshunter.io/developer/6780337002) |

## What reviewers say

### Ludus

[App page](https://appshunter.io/ios/app/ludus-language-learning/id6749568166)

This app helps you learn new languages faster by automatically creating study decks from pre-loaded dictionaries. It uses a smart spaced repetition system to schedule reviews right before you forget words, ensuring efficient learning and better long-term memory retention.

**Highlights:** Pre-loaded dictionaries, Automatic daily review decks, Spaced Repetition Scheduler (FSRS), Word definitions and grammar info, AI Sentence Generator, AI Scan Tool

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Academic Weapon | $7.99 | per month |
| Annual Subscription | $59.99 | per year |


### Interact

[App page](https://appshunter.io/ios/app/interact-interactive-learning/id6780337000)

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $12.49 | per month |
| Premium Annual | $99.00 | per year |


## Frequently asked questions

### Is Ludus free?

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

### Is Interact free?

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

### Do Ludus or Interact have ads?

Neither Ludus nor Interact shows ads.

### Which is updated more often, Ludus or Interact?

Ludus ships an update every 5 days, and Interact fortnightly. Most recently, Ludus was updated on October 3, 2026 and Interact on September 24, 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.*