ReiRecorder User Guide

App Purpose

Swim Recorder is an app designed to record swimming competitions while displaying a timer and subtitles (titles) directly on the video in real time.
It helps create race videos with timing and split records included.


  1. Recording Screen (Main)

When the app starts for the first time, it will request permission for the camera, microphone, and storage.
You must allow these permissions in order to record and save videos.

Functions and Controls

Record

  • Tap the red record button once to start recording.

  • Tap it again to stop recording.

  • When recording stops, the video is saved to the list.

Start Timer

  • T-START (blue button)

  • Starts the timer and displays the timer overlay on the video.

Split Record

  • While the timer is running, press SPLIT (green button).

  • A split time will be recorded.

  • Press multiple times to create split marks such as #1, #2, #3.

Stop Timer

  • T-STOP (orange button)

  • Stops the timer. The stopped time remains displayed in the video.

Reset Timer

  • Refresh icon

  • Resets the timer and all split records.

Zoom

  • Use pinch zoom on the camera screen to zoom in or out.


Title (Subtitle) Input

  1. Voice Recognition

  • Select "Voice Recognition" from the top menu.

  • Press and hold the microphone button and speak.

  • The recognized text will appear as a subtitle.

  • Maximum 10 characters (longer text will be shortened with "...").

  1. Manual Input

  • Select "Manual Input".

  • Tap the title icon and enter text directly.


Additional Features

Open Gallery

  • Tap the photo album icon at the top to open the recent recordings gallery.

Portrait / Landscape Mode

  • Both portrait and landscape modes are supported.

  • In landscape mode, the buttons are arranged vertically on the right side of the screen.


  1. Gallery (Recent Recordings)

List
Recently recorded videos appear with thumbnails, file names, and dates.

Playback
Tap a video to play it.
The timer, split times, and subtitles appear exactly as they were recorded.

Export to Photo Gallery

  • Tap the upload icon.

  • The video with overlays will be saved to your device's photo gallery.

  • If you are not using the PRO version, a full-screen ad may appear.

Delete

  • Tap the trash icon to delete the selected video.


  1. PRO (Paid Version)

You can access PRO from the PRO icon at the top of the gallery.

PRO Benefits

  • Remove ads

  • One-time purchase with permanent access

Restore Purchase
If you previously purchased PRO, you can restore it using the same account.


  1. Basic Workflow

  2. Launch the app and allow permissions.

  3. (Optional) Prepare subtitles

    • Voice recognition or manual input

  4. Start recording.

  5. When the race starts, press T-START to start the timer.

  6. Press SPLIT to record split times during the race.

  7. When the race ends, press T-STOP.

  8. Stop recording.

A message will appear:
"Saved to the list. Please export from the gallery."

  1. Open the gallery and select the video.

  2. Export to the photo gallery to save the final video.


Using this process, you can easily create swimming race videos with timers, split records, and subtitles included.

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