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How-to guide

How QR code church translation works

The QR code is the breakthrough that made church translation practical for ordinary congregations. Before QR-code-based systems, live translation required radio receivers, earpieces, and a hardware budget of thousands of pounds. Today, every smartphone in the pew becomes a translation device. Here's exactly how it works.

What happens when an attendee scans the code

The QR code links to a browser-based attendee reader hosted by the translation service. When scanned:

  1. 1Phone camera scans the QR codeAny modern smartphone camera can scan it — no dedicated QR app needed on modern iOS or Android.
  2. 2Browser opens automaticallyThe attendee reader page loads in their phone's browser. It shows available languages and asks them to choose one.
  3. 3They select their languageA simple list or search box lets them tap their language. The interface switches to that language immediately.
  4. 4Live translation appearsWithin 500ms of words being spoken, translated text appears on screen. It updates sentence by sentence as the sermon progresses.

Where to display the QR code

The more places you put it, the more attendees will find it. Best practices:

  • Projected on screen during the pre-service welcome (most effective)
  • Printed on welcome cards handed out at the door
  • Included in the bulletin or order of service
  • Posted on seat-back cards for fixed seating
  • Shown on your church app or website before Sunday

The permanent church link (Voco Church plan)

On Voco's Church plan, you get a permanent, consistent URL and QR code — something like voco.church/c/yourchurch. This means you can print it on permanent signage, include it in every bulletin forever, and it's always live when you're running a service. The QR code never changes, so you never have to reprint materials.

What if someone doesn't have a smartphone?

For attendees without smartphones, you have two options: (1) Pair them with a bilingual buddy who can share their screen, or (2) Set up a dedicated tablet on a stand that runs the attendee reader in a prominent language. A few churches print the real-time translation on a second projector screen — though this requires careful positioning.

Frequently asked questions

Does the congregation need to download an app to scan the QR code?

No — modern iOS (since iOS 11) and Android phones scan QR codes with the built-in camera app. The attendee reader opens directly in the browser. No app download, no account creation.

Can an attendee use the translation on a tablet?

Yes — the attendee reader works on any device with a modern browser: smartphones, tablets, laptops. It's fully responsive.

What if the QR code is too small to scan from the back of the room?

Display it full-screen on your projector for a few seconds at the start of the service. Alternatively, print large-format QR cards for seat backs or a poster near the entrance. The short URL (shown next to the QR code) is a fallback for those who can't scan.

Can I have the same QR code every week?

On Voco's Church plan, yes — you get a permanent church link and QR code that stays the same every week. Voco Simple generates a new QR code for each service.

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