# Memory King vs Osmo Words Explorers

The clearest difference is review sentiment: Memory King at 91% against Osmo Words Explorers's 17%. Memory King also leads on rating (4.4 vs 3.3) and ratings volume (332 vs 59). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Memory King sells 3 one-off in-app purchases and Osmo Words Explorers sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Memory King holds the better App Store score, 4.4 against 3.3. That said, the two scores are not equally well evidenced: Memory King has 332 ratings behind it against 59, so its average is the more settled of the two. Written reviews point the same way: 91% of Memory King's written reviews are positive against 17% of Osmo Words Explorers's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Memory King | Osmo Words Explorers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (332 ratings)](https://appshunter.io/ios/app/memory-king-the-memory-cards-matching-game/id457508586/reviews)** | [3.3 (59 ratings)](https://appshunter.io/ios/app/osmo-words-explorers/id1433980039/reviews) |
| Number of ratings | **332** | 59 |
| Positive reviews | **91.0% of reviews** | 17.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 39 MB | 263 MB |
| Requires iOS | **4.3** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Innovative Mobile Apps](https://appshunter.io/developer/420345423) | [Tangible Play](https://appshunter.io/developer/799157444) |

## What reviewers say

### Memory King

[App page](https://appshunter.io/ios/app/memory-king-the-memory-cards-matching-game/id457508586)

This is a free memory card matching game suitable for all ages. It offers customizable gameplay with magic cards, single and multiplayer modes, and the ability to create your own card sets. Track player stats and enjoy multi-sensory learning options.

**Highlights:** Free to play, Up to four players, Magic cards for unique gameplay, Create custom memory cards, Adjustable game difficulty, Single and multiplayer modes, Player statistics tracking

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Animal Cards Expansion Pack | $0.99 | one-time |
| First Words Expansion Pack | $0.99 | one-time |
| Core Concepts Expansion Pack | $0.99 | one-time |

**What reviewers like**

- 👍 Great memory game
- 🎨 Customizable cards and sounds
- 🤖 Supports up to 4 players
- 🏫 Useful for therapy and education
- 🎉 Fun and engaging for all ages

**What reviewers complain about**

- 🐛 Compatibility issues with newer iOS versions
- 📏 Small card size for higher card counts
- 💰 Expensive to unlock all features

**Reported bugs**

- Cards not always opening when tapped
- Scores not always accurate due to tapping issues

**Requested features**

- Add more card categories (e.g. sight words, rhyming, numbers)
- Improve layout and card size for larger screens
- Provide a free version with fewer features


### Osmo Words Explorers

[App page](https://appshunter.io/ios/app/osmo-words-explorers/id1433980039)

This educational game immerses children in an ancient temple adventure where they build words to battle monsters and save historical artifacts. It's designed to teach literacy skills like spelling, word recognition, and vocabulary to young learners.

**Highlights:** Word recognition, Spelling practice, Vocabulary building, Critical thinking, Historical facts, Monster battles

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-day trial of Words Explorer | Free | one-time |
| Unlock Words Explorers | $9.99 | one-time |


## Frequently asked questions

### Is Memory King free?

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

### Is Osmo Words Explorers free?

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

### Which has better reviews, Memory King or Osmo Words Explorers?

Memory King is rated higher. Memory King averages 4.4 out of 5 from 332 ratings, while Osmo Words Explorers averages 3.3 from 59 ratings.

### Do Memory King or Osmo Words Explorers have ads?

Neither Memory King nor Osmo Words Explorers shows ads.

### Which is updated more often, Memory King or Osmo Words Explorers?

Memory King ships an update every 3 months, and Osmo Words Explorers every 3 months. Most recently, Memory King was updated on November 8, 2026 and Osmo Words Explorers on November 9, 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.*