Proton Movies A sophisticated app for testing groups and for advanced individual testing. Please take some time to examine it (video at https://youtu.be/AEgrekcjcUI). Do a few test runs before going live with it.

An enhanced version of the free basic Beep Test app available at https://play.google.com/store/apps/details?id=rudy.android.beep.

In addition to all that Beep Test has to offer Beep Test Pro provides the following:

Multiple Users large group. See https://goo.gl/oO9aKT
--- Maintain lists of names - save/reload them
--- Edit delete save reload results
--- Graphical analyses -- various
--- Switch between "Enclosure" and "Name" mode
--- Import names... sdCard Cloud [Gdrive]

- Enhanced Voice Cues
- Practise options -- skip levels loop a level
- Sort Results. By Name VO2Max or Date
- View progress ... graphically; group options

- Export Results... email Gdrive etc
--- Paste-Special directly into GoogleSheet.
--- Or load into other spreadsheets

- Super-accurate timings
- Option to run first level at 8 kph
- Option to run 15 meter lap (default 20)

Work out stay fit enjoy life more!

Caution: Audio. There are tens of thousands of Android phone variants. Invariably the odd one has issues. Validate audio (incl. Bluetooth) using the free version.