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Frequently asked questions
How do devices find each other?
Again Replay uses mDNS to discover devices automatically on your local network. Open the app on a camera and a screen on the same Wi-Fi or LAN and they appear to each other — no IP addresses, pairing codes, or accounts needed to start.
Which platforms are supported?
iOS, Android, macOS, Windows, Linux, and Apple TV (tvOS) — and they all interoperate as receivers (a screen with full DVR) on the same network. Transmitter (camera) mode is available on iOS, Android, and macOS only; Windows, Linux, and Apple TV are receiver-only.
Can I try it with just one device?
Yes. Open the app and choose View, then on the Sources screen tap the + button (or “Add a camera”). Give it any name, paste https://again.gymscore.app/demo/again-replay-demo.mp4 into the URL field, and tap Save. Tap the new camera to start playback, then use the DVR controls — pause, scrub the timeline, frame-step, and slow-motion — to try instant replay without a second device.
Does my video leave my network?
No. Your video streams peer-to-peer between your devices and never leaves your local network — it is never uploaded. The app can send optional, opt-out crash and usage analytics (never your video — see the Privacy page), and the optional account system for paid plans stores your email, billing, device fingerprints, and last-seen timestamps — never your video.
A device isn't showing up — what should I check?
Make sure both devices are on the same network and that your Wi-Fi or router isn't blocking multicast/mDNS (some guest networks and AP isolation settings do). Confirm the transmitter is actively streaming, then reopen the source list on the receiver.
Why does iPhone, iPad, or Mac ask for Local Network access?
Again Replay finds and streams between devices entirely on your local network — discovery uses Bonjour/mDNS and video flows peer-to-peer, so nothing goes through the internet. Apple requires your permission for any app to use the local network. If you deny it, your devices can't find each other and streams won't connect.
Why does Android ask for notification permission?
When a device is transmitting, Again Replay runs a foreground service so streaming keeps going with the screen off or the app in the background. Android 13 and newer require notification permission to show the persistent notification a foreground service needs. Denying it doesn't stop you from watching — it only affects transmitting.
How do I turn off crash reports or usage analytics?
Both are optional and on by default. Open Settings in the app and turn off “Share Crash Reports” and/or “Share Usage Analytics”. Neither ever includes your video, and passwords in stream URLs are always masked before anything is sent. See our Privacy page for the full details.
How do the plans and billing work?
Free needs no account. Personal (one active receiver at a time — cameras are always unlimited) is billed through the App Store or Google Play. Business (multiple receiver seats for venues) is billed on the web. Planned launch prices are shown on the site now; nothing is billed during the public test, and final pricing is confirmed before you purchase.