A phone-shaped box is not a phone.
Put your app, demo, form, training, or presentation on actual hardware. Feel the touch targets, see the true screen fit, test the speed, and disconnect the Wi-Fi. Preview the experience your audience will really have.
A real device preview is a working version of your digital content opened on an actual phone, tablet, computer, or screen before wider release, not a visual simulation inside a desktop browser.
Put the real experience in your hand.
No native app build, test-device cable, terminal, or store submission required.
Bring the experience
Upload what you made, an AI app, HTML experience, PDF, deck, form, video, training module, or liveScreen kiosk.
Choose a real device
Assign the preview to your phone, a teammate's tablet, or a client device and make it available in minutes.
Experience the truth
Tap it, rotate it, walk away from Wi-Fi, and use it as intended. Turn real observations into a better final product.
The last mile changes everything.
The moment content leaves your monitor and lands in someone's hand, the experience becomes physical.
How it feels
Buttons that look fine with a cursor may be frustrating under a thumb. Real touch exposes targets, gestures, and interaction rhythm.
How it fits
See the actual safe area, browser chrome, keyboard, portrait and landscape behavior, and what's visible above the fold.
How fast it is
Use the processor and memory your audience has, not the power of the computer where the experience was created.
How media behaves
Confirm that video, audio, animation, and other rich media play the way you expect on the target device.
What happens offline
Turn off connectivity and verify the experience at the booth, on the job site, or wherever the signal disappears.
What stakeholders understand
Replace abstract review links with a working, branded preview that clients and decision-makers can hold and use.
See less guessing. Get better feedback.
Responsive browser mode
- Resized desktop window
- Mouse and keyboard input
- Desktop performance
- Constant connection
- Reviewers imagine the result
Yonderly real-device preview
- Actual screen dimensions
- Touch, gestures, and device keyboard
- True hardware performance
- Offline experience included
- Reviewers use the real thing
Preview what you made before the moment it matters.
Real device preview, explained.
What is a real device preview?
It is a working version of digital content opened on an actual phone, tablet, computer, or screen before wider release. Unlike a simulation, it reveals physical touch behavior, true screen fit, device performance, media playback, and offline operation.
How is this different from responsive browser mode?
Responsive mode changes the size of a desktop browser. A real device preview runs on target hardware using its touchscreen, processor, operating environment, orientation, media handling, and network conditions.
Can I preview an AI-built app on my phone?
Yes. Yonderly can carry AI-built apps and HTML experiences from creation tools to a real device so you can review how the experience feels and behaves outside the browser.
Can a client preview content on their device?
Yes. Assign content to selected devices so clients and stakeholders can experience a branded, working preview on the hardware they use.
Can I preview the experience offline?
Yes. Once the content is on the device, disconnect it and experience the same conditions your audience may face at an event, in the field, or on the move.
Stop imagining it.
Hold it.
Start a 14-day free trial, no credit card, and put your first content on a real device today.
iOS, Android, Windows, and any browser · 14-day free trial · No credit card


