# EShare Upgrade vs World's Key

The clearest difference is update cadence: World's Key at every 8 days against EShare Upgrade's every 4 months. World's Key also leads on review sentiment (55% vs 30%) and rating (3.8 vs 3.5). EShare Upgrade's advantage is iOS requirement (8.0 vs 16.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

World's Key holds the better App Store score, 3.8 against 3.5. That said, the two scores are not equally well evidenced: World's Key has 321 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 30% of EShare Upgrade's written reviews are positive against 55% of World's Key's.

EShare Upgrade ships an update every 4 months, World's Key every 8 days. The most recent releases landed on October 22, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | EShare Upgrade | World's Key |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (8 ratings)](https://appshunter.io/ios/app/eshare-upgrade/id1182686630/reviews) | **[3.8 (321 ratings)](https://appshunter.io/ios/app/worlds-key/id1494964110/reviews)** |
| Number of ratings | 8 | **321** |
| Positive reviews | 30.0% of reviews | **54.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 17 MB | 35 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Guangzhou Shiyuan Electronics Co., Ltd.](https://appshunter.io/developer/542894088) | [Mohammad Bzeih](https://appshunter.io/developer/1494964109) |

## What reviewers say

### EShare Upgrade

[App page](https://appshunter.io/ios/app/eshare-upgrade/id1182686630)

This application allows you to wirelessly connect your smartphone or tablet to a TV. You can stream various media files, use your device as a remote control, and even mirror your phone or computer screen to the television.

**Highlights:** Stream audio, video, photos, and documents, Use mobile device as touch mouse, keyboard, or remote, Stream camera and microphone to TV, Mirror TV screen to mobile device, Mirror PC screen to TV, Real-time image manipulation on mobile

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is EShare Upgrade free?

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

### Is World's Key free?

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

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

World's Key is rated higher. EShare Upgrade averages 3.5 out of 5 from 8 ratings, while World's Key averages 3.8 from 321 ratings.

### Do EShare Upgrade or World's Key have ads?

Neither EShare Upgrade nor World's Key shows ads.

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

EShare Upgrade ships an update every 4 months, and World's Key every 8 days. Most recently, EShare Upgrade was updated on October 22, 2026 and World's Key on October 29, 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.*