If you enjoy using the site, you can show your support and get these features:

  • ✅ Free 30 day trial
  • ⏰ Automatic tracking updates
  • 🎨 Custom name and crown customization
  • 🚫 Ad-free browsing
  • 📈 Full export of all your datapoints for backup
  • 📞 Priority support and feature requests

For a limited time, the price will be 30-40% off for early supporters!

Thanks for using CML!

Check it out - free for 30 days


Crystal Math Labs offers an XP tracker for Jagex's Old School RuneScape and RuneScape 3. Using the OSRS hiscores, it allows you to monitor progress of your experience, levels and rank. This website is currently tracking 1,352,856 Old School RuneScape players with 170,211,759 datapoints since this site's launch on February 23, 2013 .

If you wish to track RuneScape 3 players, click the RS3 link on the top right of any page.

Check out today's OSRS Gold price here.


Gold and silver crowns next to a player's name on this website do not indicate their moderator status in RuneScape. You can hover your mouse over any player's crown to find out why they have the crown. Here's a list of players with crowns:

Developer:  Mr. CML
Top Donators:

Thank you to all of our contributors!

If you're interested in supporting the site, check out Crystal Math Labs Pro.