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JamTimer - for roller derby officials

By Fearless Code

This app is only available on the App Store for iOS devices.


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 in Version 4.0.1

• Fixed home screen icon when installed on an iPad.

App Store reviews are very helpful. If you think JamTimer is worthy, please take a moment to write a review.

Thank you for supporting JamTimer!

iPhone Screenshots

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JamTimer - for roller derby officials
View in iTunes
  • S$ 2.98
  • Category: Sports
  • Updated:
  • Version: 4.0.1
  • Size: 1.4 MB
  • Languages: English, Danish, Dutch, Finnish, French, German, Italian, Japanese, Portuguese, Spanish, Swedish
  • Developer:

Compatibility: Requires iOS 9.0 or later. Compatible with iPhone, iPad and iPod touch.

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