AppCorpus
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JamTimer - for roller derby

by Fearless Code

iPhone

Abandoned risk Last checked 31 Jul 2026

Quick verdict

What it is
Store information collected; independent summary not yet available.
At a glance
  • $1.99

Categories and search queries

Official categories

AppCorpus categories

Key functions

Function Availability Access Scope Evidence
Family Sharing Yes Unknown App Store Store published

Screens

App Store

4 store screenshots

JamTimer - for roller derby iphone screenshot 1
JamTimer - for roller derby iphone screenshot 2
JamTimer - for roller derby iphone screenshot 3
JamTimer - for roller derby iphone screenshot 4

Pricing & paywalls

App Store

  • Price: $1.99

Ratings & reviews

App Store

5.0 9 ratings · App Store

  1. 5/5Yessss!!!!!

    Really great app! Thank you for developing this!

    student1000000000 · 31 Jul 2026

  2. 5/5The best!

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

    Ma Guns · 31 Jul 2026

  3. 5/5Add to Apple Watch?

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

    Keenysmom · 31 Jul 2026

  4. 5/5Amazing

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

    CrashBandahoot · 31 Jul 2026

  5. 5/5Must have app for derby

    Love, love, love this app. I use it during practice as well as bouts. Makes timekeeping easy, anyone who can use an iPhone can timekeep.

    Miso Nasty · 31 Jul 2026

Privacy & accessibility

App Store

Privacy

  • No Details Provided Developer declared

Accessibility

No accessibility labels collected yet.

Versions

App Store

  • 1.0
  • 2.0

    New in 2.0: ✓ Support for the iPhone 5 and iPod touch 5th gen screen sizes. ✓ Added game configurations for RDCL and OSDA. ✓ Added support for game configurations of 6 and 8 periods. ✓ The length of the last jam will show during a jam break. ✓ Simplified game configuration editing. ✓ A beautiful new app icon and general user interface improvements. ✓ Full support for iOS 6 app state restoration. ✓ Full accessibility support for vision impaired users. ✓ Lots of architectural improvements under the hood.

  • 2.0.1

    New in 2.0.1: ✓ Minor fixes and improvements. New in 2.0: ✓ Support for the iPhone 5 and iPod touch 5th gen screen sizes. ✓ Added game configurations for RDCL and OSDA. ✓ Added support for game configurations of 6 and 8 periods. ✓ The length of the last jam will show during a jam break. ✓ Simplified game configuration editing. ✓ A beautiful new app icon and general user interface improvements. ✓ Full support for iOS 6 app state restoration. ✓ Full accessibility support for vision impaired users. ✓ Lots of architectural improvements under the hood.

  • 2.0.2

    - Fixed a bug with the 5-sec warning vibrate setting (thanks to Earl Slick). - Updated 'About' view contents.

  • 3.0

    • Added support for a countdown before the start of a period. The countdown defaults to 30-seconds, but you can start the jam at anytime. • Displays jam number and length for the previous jam. • Auto-start setting now defaults to ON. • Improved options for sending feedback or sharing with friends. • Performance improvements. • Complete refresh for iOS 7. App Store reviews are very helpful to us. If you think JamTimer is worthy, please take a moment to write a nice review. Thank you for supporting JamTimer!

  • 3.0.1

    • Stabilization and minor bug fixes. App Store reviews are very helpful to us. If you think JamTimer is worthy, please take a moment to write a nice review. Thank you for supporting JamTimer!

  • 4.0

    • Added support for current device screen sizes. • Visual refresh and new icons. 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!

  • 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!

  • 4.1

    • Updated for iOS 11 and the iPhone X. 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!

  • 4.2

    • Updates for compatibility with iOS 13. • Support for all current iPhone and iPad device sizes. • Added support for dark mode.

  • 4.2.1 · 24 Aug 2020

    • Minor fixes and improvements.

Alternatives

Availability by market

Data quality & evidence

Page completeness
Live store listing
Last verified
31 Jul 2026
Sources
App Store

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