What's the max for Android?

Typically 5–10, varies by device.

Does this work on a desktop?

Only touchscreen laptops/monitors.

Why does my finger count get stuck?

Wet screens and screen protectors can cause false-positive touches.

Is multi-touch the same as palm rejection?

No, palm rejection ignores large unintended touches.

Can I use this with a stylus?

Capacitive styluses count as a touch; active styluses may not.

Multi Touch Test

Drucken Sie mit so vielen Fingern wie moglich um die maximalen Beruhrungspunkte zu sehen.

Sofort geladen

Use a clean, dry touchscreen
Remove gloves and any non-conductive screen protector
Use the pad of each finger (not just the tip) for reliable detection
Test on both portrait and landscape orientations

So Benutzen

Press Fingers

Each finger gets a unique numbered circle.

Add More

Add fingers one by one until no new circles appear.

Check the Best

Best counter remembers your highest count.

Troubleshooting

Clean the screen with a microfiber cloth
Remove screen protector and retest
Try a different browser

Funktionen

Unique Colors

Each finger gets its own number and color.

Best Record

Tracks your highest simultaneous touch count.

Live Coordinates

Each finger's position is shown.

Mobile Optimized

Works best on phones and tablets.

Vollstandige Anleitung

How Many Touch Points Should a Screen Support?

Modern smartphones typically support 5–10 simultaneous touch points. Tablets usually support 10. Large-format Windows touchscreens (Surface Hub, all-in-ones) support 20 or more. iPhone Safari limits JavaScript access to 5 touches max, even on hardware that physically supports more. iPad Safari allows up to 10. This is a deliberate Apple policy, not a hardware limit. Android varies by manufacturer. Most Pixel and Samsung Galaxy phones expose 10 touches via the browser. Budget Androids often cap at 5. For games and creative apps that need many simultaneous touches, native apps usually get higher limits than web browsers.

Why Test Multi-Touch?

Games depend on multi-touch: virtual joysticks, action buttons, and gesture controls all require multiple simultaneous touch points. A game requiring 4 touch points won't work on a screen limited to 2. Drawing and music apps rely on multi-touch for chord input, multi-finger gestures, and rest-palm support. Reduced multi-touch capability after digitizer damage is often the first sign of trouble. For productivity, multi-touch gestures speed up common actions: 3-finger swipe to switch apps, pinch to zoom, two-finger scroll. Without these, the device feels much less responsive. If you bought a used phone or just had a screen replaced, run this test to confirm full multi-touch capability is intact. A drop from 10 to 2 simultaneous touches indicates a major digitizer failure.

Difference Between Touch and Pen Input

Pen input often uses a separate digitizer layer (active digitizer) distinct from the capacitive touch layer. Apple Pencil, Samsung S Pen, and Surface Pen all use active digitizers: they don't count toward the multi-touch limit. Capacitive styluses (the rubber-tip kind) register as normal touches and do count toward the limit. Palm rejection is the feature that lets you rest your palm on the screen while writing with a pen. It works by detecting the large contact area (palm) and excluding it while accepting the small contact area (pen tip).

Troubleshooting Lost or Phantom Touches

If touches disappear randomly during use, the screen may have moisture, sweat, or oil interfering with capacitive sensing. Clean with microfiber and try again. Phantom touches (circles appearing without finger contact) usually indicate a cracked digitizer or screen protector adhesive failure. After a screen replacement, run this test immediately. Edge dead zones are a common defect of cheap replacement panels. The center may work fine but corners fail. For stuck touches (circle remains after you lift your finger), water or sweat on the screen is causing capacitive contact. Wipe dry and retest.

Kompatibilitat

Funktioniert auf allen grossen Plattformen und Browsern

Gerat / Betriebssystem	Chrome	Firefox	Safari	Edge
Windows 10/11	✅	✅	:	✅
macOS Ventura+	✅	✅	✅	✅
Android 8+	✅	✅	:	✅
iPhone / iPad (iOS 14+)	✅	:	✅	:
Chromebook	✅	:	:	:
Linux (Ubuntu)	✅	✅	:	✅

Haufige Fragen

iPhone supports up to 5 touches in Safari.

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