# World's Key vs Pharmingo

The clearest difference is review sentiment: Pharmingo at 100% against World's Key's 55%. Pharmingo also leads on rating (4.4 vs 3.8). World's Key's advantage is in-app purchases (none vs 8) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Pharmingo sells 8 in-app purchases, starting at $9.99 per month. World's Key asks for nothing beyond the download.

Pharmingo holds the better App Store score, 4.4 against 3.8. That said, the two scores are not equally well evidenced: World's Key has 293 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 55% of World's Key's written reviews are positive against 100% of Pharmingo's.

World's Key ships an update every 8 days, Pharmingo weekly. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | World's Key | Pharmingo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (293 ratings)](https://appshunter.io/ios/app/worlds-key/id1494964110/reviews) | **[4.4 (7 ratings)](https://appshunter.io/ios/app/pharmingo/id6758413227/reviews)** |
| Number of ratings | **293** | 7 |
| Positive reviews | 54.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 35 MB | 251 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Mohammad Bzeih](https://appshunter.io/developer/1494964109) | [Sarah Abdulwahid](https://appshunter.io/developer/1872809063) |

## What reviewers say

### World's Key

[App page](https://appshunter.io/ios/app/worlds-key/id1494964110)

This interactive educational app offers audio-visual lessons and exercises for English and Science curricula for Kindergarten and Primary levels. Students can access engaging content and assessments through an online account, supplementing their printed books.

**Highlights:** Interactive audio-visual lessons, English and Science curricula, Kindergarten and Primary levels, Interactive exercises, Assessments for lessons, Online account access

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Educational value for students
- 😍 Highly praised by young students
- 👍 Useful for international schools
- 👍 Good content for learning
- 👍 App is beneficial for international students

**What reviewers complain about**

- 😡 App is very slow
- 😡 App crashes frequently
- 😡 App is not user-friendly
- 😡 App is old and outdated
- 😡 App is heavy and lags

**Reported bugs**

- App logs out when accessing videos
- App freezes and doesn't calculate views
- App has errors in exam time calculation
- App doesn't open
- App crashes when opening or solving lessons

**Requested features**

- Add video playback speed control
- Improve app's responsiveness and speed
- Continuous improvement and development of the app
- Fix bugs and glitches
- Update the app to be more modern


### Pharmingo

[App page](https://appshunter.io/ios/app/pharmingo/id6758413227)

Master pharmacology with interactive, game-like lessons. This app breaks down complex drug mechanisms and clinical concepts into engaging modules. Earn rewards, track progress, and compete with peers to enhance your learning experience.

**Highlights:** Interactive, bite-sized lessons, Gamified learning with XP and gems, Extensive pharmacology topic coverage, Progress tracking and motivation tools, Leaderboards and peer competitions, Bilingual support (English & Arabic)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pharmingo Super - Monthly | $9.99 | per month |
| Pharmingo Super - Yearly | $79.99 | per year |
| Gems Pack (80) | $0.99 | one-time |
| 250 Gems - Popular Pack | $2.99 | one-time |
| 600 Gems - Most Popular | $5.99 | one-time |
| 1,300 Gems - Mega Pack | $9.99 | one-time |
| 2,800 Gems - Ultra Pack | $19.99 | one-time |
| 6,000 Gems - Legend Pack | $39.99 | one-time |


## Frequently asked questions

### Is World's Key free?

World's Key is free to download, with no in-app purchases.

### Is Pharmingo free?

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

### Which has better reviews, World's Key or Pharmingo?

Pharmingo is rated higher. World's Key averages 3.8 out of 5 from 293 ratings, while Pharmingo averages 4.4 from 7 ratings.

### Do World's Key or Pharmingo have ads?

Pharmingo shows ads; World's Key does not.

### Which is updated more often, World's Key or Pharmingo?

World's Key ships an update every 8 days, and Pharmingo weekly. Most recently, World's Key was updated on October 17, 2026 and Pharmingo on October 11, 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.*