# RAIO App vs Meroo

The clearest difference is rating: Meroo at 4.0 against RAIO App's 2.7. Meroo also leads on in-app purchases (none vs 2). RAIO App's advantage is ratings volume (43 vs 4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. RAIO App sells 2 in-app purchases, starting at $19.99 per month. Meroo asks for nothing beyond the download.

Meroo holds the better App Store score, 4.0 against 2.7. That said, the two scores are not equally well evidenced: RAIO App has 43 ratings behind it against 4, so its average is the more settled of the two.

RAIO App ships an update every 6 weeks, Meroo every 3 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | RAIO App | Meroo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (43 ratings)](https://appshunter.io/ios/app/raio-app/id6446694876/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/meroo/id6618156556/reviews)** |
| Number of ratings | **43** | 4 |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 88 MB | 40 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kale Anders](https://appshunter.io/developer/1678765749) | [Elephanty Inc](https://appshunter.io/developer/1727960255) |

## What reviewers say

### RAIO App

[App page](https://appshunter.io/ios/app/raio-app/id6446694876)

This app uses spaced repetition technology and real-life sentences to help you learn grammar and vocabulary in context. It aims to improve retention, reduce translation in your head, and help you start thinking in the language you're learning.

**Highlights:** Spaced repetition technology, Sentence-based learning, Learn grammar and vocabulary in context, Reduce translation in your head, Think in the target language, Personalized progress reports, Gamification features

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly - Standard Plan | $19.99 | per month |
| Annual - SAVE 20%! | $179.99 | per year |


### Meroo

[App page](https://appshunter.io/ios/app/meroo/id6618156556)

Explore your unique strengths, interests, and values through engaging mini-games and challenges. Discover career paths and industries that align with your profile, and develop essential skills for professional success. Designed for Gen Z, this app fosters self-awareness and confidence for future career building.

**Highlights:** Gamified self-discovery, Mini-games and challenges, Skill development, Career path exploration, Personalized insights, Growth tracking

**In-app purchases:** none


## Frequently asked questions

### Is RAIO App free?

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

### Is Meroo free?

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

### Which has better reviews, RAIO App or Meroo?

Meroo is rated higher. RAIO App averages 2.7 out of 5 from 43 ratings, while Meroo averages 4.0 from 4 ratings.

### Do RAIO App or Meroo have ads?

Neither RAIO App nor Meroo shows ads.

### Which is updated more often, RAIO App or Meroo?

RAIO App ships an update every 6 weeks, and Meroo every 3 weeks. Most recently, RAIO App was updated on October 24, 2026 and Meroo on October 27, 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.*