Comparison

RealVNC Viewer vs CalfCloud

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

RealVNC Viewer

Access and control your Mac, Windows, or Linux computers remotely from any device. View your desktop, use your keyboard and mouse, and manage files securely with end-to-end encryption. Sync connections across all your devices for seamless access.

Highlights
  • Instant remote access to computers
  • Control mouse and keyboard remotely
  • End-to-end session encryption
  • Cloud service for easy connection
  • Backup and sync connections
  • Virtual keyboard with advanced keys
  • Bluetooth keyboard support
Read full description

RealVNC® Viewer from RealVNC® gives you instant remote access to your Mac, Windows and Linux computers from anywhere in the world. You can view your computer's desktop, and control its mouse and keyboard as though you were sitting down in front of it. Download RealVNC Connect to each computer you want to control. Then sign in to RealVNC Viewer on your device using your RealVNC account credentials. You'll see your computers automatically appear; simply tap to connect. RealVNC Connect password-protects each computer out-of-the-box. You may need to enter the same user name and password you use to log in to your computer. All sessions are then encrypted end-to-end. During a session, your device's touch screen serves as a trackpad to give you precise control. Drag your finger to move the remote mouse cursor and tap anywhere to left-click (other gestures such as right-click and scroll are explained in-app). As the original inventors of VNC remote access technology, we're confident you'll love what RealVNC Viewer has to offer. If you're still not convinced, check out our reviews! ===Key features=== - Connect with ease via our cloud service to computers running RealVNC Connect. - Backup and sync your connections between all your devices by signing in to RealVNC Viewer on each one. - A scrolling bar above the virtual keyboard includes advanced keys such as Command/Windows. - Support for Bluetooth keyboards. ===Contact=== We’d love to hear from you: iphone-support@realvnc.com twitter.com/RealVNC facebook.com/realvnc Better still, leave us a review!   ===Terms of Use=== https://static.realvnc.com/media/documents/RealVNCServicesTCs.pdf ===Trademarks=== RealVNC and VNC are trademarks of RealVNC Limited and are protected by trademark registrations and/or pending trademark applications in the European Union, United States of America and other jurisdictions. Protected by UK patents 2481870, 2479756; US patent 8760366; EU patent 2652951.

About

CalfCloud

Features
Read full description

ABOUT THIS APP CalfCloud as a mobile application enables you to monitor your calves and operate your feeders - on the traditional way and with the new technology of voice control. ENJOY THE PLEASURE OF GETTING THE FACTS THAT YOU NEED - Calves - Automatic feeders - Alarms and Warnings by Push-Notification and Email - Voice-Control and AI-Support FAST AND COMFORTABLE ALL ANIMALS IN VIEW - Intuitive Dashboard that enables you also to see what happens in the barn - Complete list of all calves - Filter that gives you the information YOU need TAKE A CLOSER LOOK AT INDIVIDUAL ANIMALS Current behaviour of the individual calves with graphic display of consumption, drinking speed, visits and VITAL data. CONTROL IN EVERY SITUATION - Unrestricted access to all functions - Extended service possibilities ADVANCED MANAGEMENT TOOLS*
 - Conveniently change plans* - Start processes conveniently while on the move - Drink quantity* - Concentration - Recipes - Concentrated feed* - Animal management* - Registering and deregistering animals* - Adding and subtracting the allowance* to animals SYSTEM REQUIREMENTS

 - Automatic feeder smart & connect (Vario & Compact) - Connection with local WLAN for direct communication with mobile devices - Internet connection for worldwide access via mobile devices and PC

Screenshots

RealVNC Viewer4 screens
CalfCloud3 screens

Verdict

The call

The clearest difference is update cadence: CalfCloud at monthly against RealVNC Viewer's every 2 months. On price, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

RealVNC Viewer ships an update every 2 months, CalfCloud monthly. The most recent releases landed on October 15, 2026 and September 27, 2026 respectively.

Scorecard1 real difference · 9 level
RealVNC Viewer versus CalfCloud: the parameters behind the verdict, then further details
ParameterRealVNC ViewerCalfCloud
PriceFreeFree
Rating4.8 (15K ratings) — better—
Positive reviews72.4% of reviews—
Number of ratings15K — better—
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size9 MB14 MB
Age rating4+17+
DeveloperRealVNC LimitedFörster-Technik GmbH

Bugs and requests

RealVNC Viewer

Reported bugs

4 issues
  • Cursor and screen synchronization issues
  • Incompatibility with certain macOS and iOS versions
  • Frequent disconnections and login problems
  • Keyboard input not working as expected

Requested features

5 requests
  • Add support for audio streaming
  • Improve clipboard and file transfer functionality
  • Provide better multi-monitor support
  • Allow customization of keyboard and mouse controls
  • Implement a true touch-based interface

CalfCloud

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

RealVNC Viewer

No in-app purchases

None

CalfCloud

No in-app purchases

Questions

Is RealVNC Viewer free?
RealVNC Viewer is free to download, with no in-app purchases.
Is CalfCloud free?
CalfCloud is free to download, with no in-app purchases.
Do RealVNC Viewer or CalfCloud have ads?
Neither RealVNC Viewer nor CalfCloud shows ads.
Which is updated more often, RealVNC Viewer or CalfCloud?
RealVNC Viewer ships an update every 2 months, and CalfCloud monthly. Most recently, RealVNC Viewer was updated on October 15, 2026 and CalfCloud on September 27, 2026.

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