EShare Upgrade vs World's Key
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EShare Upgrade
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.
- 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
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EShare Upgrade is a multi-screen interaction software for smart phone or tablet to interact with TV. Key Features ● Stream any file (audio, video, photos, ms-office documents, txt, pdf, apk…etc ) from smart phone or tablet to TV. ● Use your mobile device as touch mouse, air mouse, keyboard, touch pad and remote controller of TV. ● Stream camera and mic-phone of phone or tablet to TV. ● Mirror TV screen to smart phone or tablet and touch the phone screen directly to control TV. ● Mirror screen of windows notebook or PC to TV. ● Real-time scale, rotate or slide picture on mobile device and show it on TV.
World's Key
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.
- Interactive audio-visual lessons
- English and Science curricula
- Kindergarten and Primary levels
- Interactive exercises
- Assessments for lessons
- Online account access
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World's Key application is an interactive educational application for a set of curricula for Kindergarten and Primary Levels in the English language and Science. In our schools, each student receives and uses printed books in his/her class in addition to an online account to access the mentioned application. This application provides students with audio-visual lessons in addition to conducting interactive exercises and assessments to all lessons in both subjects- English and Science. There is no paid services or content. Each student at our schools has a passcode that allow him to access the App content (videos about the lesson and some additional exercises)
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | EShare Upgrade | World's Key |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (8 ratings) | 3.8 (321 ratings) — better |
| Positive reviews | 30.0% of reviews | 54.5% of reviews — better |
| Number of ratings | 8 | 321 — better |
| Update frequency | Every 4 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 17 MB | 35 MB |
| Age rating | 17+ | 4+ |
| Developer | Guangzhou Shiyuan Electronics Co., Ltd. | Mohammad Bzeih |
Customer experience
EShare Upgrade
World's Key
Bugs and requests
EShare Upgrade
Not enough reviews yet to summarise bugs or requests.
World's Key
Reported bugs
6 issues- 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
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- App doesn't show views or solutions
Requested features
5 requests- 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
In-app purchases
EShare Upgrade
No in-app purchases
World's Key
No in-app purchases
Questions
Is EShare Upgrade free?
Is World's Key free?
Which has better reviews, EShare Upgrade or World's Key?
Do EShare Upgrade or World's Key have ads?
Which is updated more often, EShare Upgrade or World's Key?
Other comparisons
