JamTimer - for roller derby 4+

Fearless Code

Designed for iPhone

    • 5.0 • 6 Ratings
    • $1.99

iPhone Screenshots


JamTimer is an app designed for the exciting sport of roller derby. Created for the jam-timer position, JamTimer replaces the need for using stopwatches. It has built-in configurations for WTFDA, RDCL, or OSDA style games, and can be customized for any type of scrimmage or tournament scenario.

- Keep track of all timing related tasks needed in a roller derby game.
- Built-in support for WFTDA, RDCL, and OSDA game configurations.
- Add custom game configurations (scrimmage or tournaments).
- Large buttons, conveniently operated with one hand.
- Vibrate warnings for specific events.

What’s New

Version 4.2.1

• Minor fixes and improvements.

Ratings and Reviews

5.0 out of 5
6 Ratings

6 Ratings

Keenysmom ,

Add to Apple Watch?

I love this app, makes jam timing so easy! Any chance it will make it onto Apple Watch?

Ma Guns ,

The best!

I love this app! So much better then having to fumble with 2 stop watches.

CrashBandahoot ,


Exactly what a derby girl needs! And reasonably priced too :) this is a great app

App Privacy

The developer, Fearless Code, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

More By This Developer

You Might Also Like