# World Words vs Rido Lang

The clearest difference is ads: World Words at none against Rido Lang's shown. Rido Lang's advantage is update cadence (every 10 days vs every 4 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. World Words sells 3 in-app purchases, starting at $0.99 per month and Rido Lang sells 10 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

World Words ships an update every 4 weeks, Rido Lang every 10 days. The most recent releases landed on October 23, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | World Words | Rido Lang |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/world-words/id1670569128/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 90 MB | 66 MB |
| Requires iOS | 15.3 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Uliana Gritchina](https://appshunter.io/developer/1619495556) | [Rido Lang Sp Z O.O.](https://appshunter.io/developer/1809375471) |

## What reviewers say

### World Words

[App page](https://appshunter.io/ios/app/world-words/id1670569128)

Master foreign vocabulary with personalized flashcards and interactive tests. Contribute to a global learning community by sharing and discovering new words. Practice daily with home screen widgets.

**Highlights:** Create custom flashcards, Take knowledge consolidation tests, Learn words from a global community, Share vocabulary with others, Use home screen widgets for daily practice

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| World Words Premium | $0.99 | per month |
| World Words Premium Annual | $9.99 | per year |
| Add 100 cards | $0.69 | one-time |


### Rido Lang

[App page](https://appshunter.io/ios/app/rido-lang/id6759222178)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rido Lang Weekly | $3.99 | per 7 days |
| Rido Lang Free Trial | $4.99 | per 7 days |
| Rido Lang Monthly | $7.99 | per month |
| Rido Lang Monthly | $9.99 | per month |
| Rido Lang 3 Months | $14.99 | per 3 months |
| Rido Lang 3 Months | $17.99 | per 3 months |
| Rido Lang 6 Months | $17.99 | per 6 months |
| Rido Lang 6 Months | $24.99 | per 6 months |
| Rido Lang Annual Plan | $29.99 | per year |
| Rido Lang Annual Plan | $39.99 | per year |


## Frequently asked questions

### Is World Words free?

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

### Is Rido Lang free?

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

### Do World Words or Rido Lang have ads?

Rido Lang shows ads; World Words does not.

### Which is updated more often, World Words or Rido Lang?

World Words ships an update every 4 weeks, and Rido Lang every 10 days. Most recently, World Words was updated on October 23, 2026 and Rido Lang on October 10, 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.*