About TrueMMR
We're passionate League of Legends players who built the tool we wished existed.
Trusted by over 50,000 players worldwide.
Our Mission
Our MMR tool was created in 2025 by a team of passionate League of Legends players frustrated with the lack of transparency around MMR (Match Making Rating).
Free Forever
We believe every player deserves to understand their true skill level and track their progress. That's why we built a free, accurate, and privacy-focused MMR calculator that anyone can use.
Always Updated
Our algorithms are constantly updated to reflect the latest changes in League of Legends' ranking system, ensuring you always get the most accurate estimates possible.
Our Values
The principles that guide everything we do
Accuracy First
We use proven algorithms and extensive data analysis to provide the most accurate MMR estimates.
Privacy Focused
Your data is never stored. We believe in transparency and user privacy above all.
Always Free
No paywalls, no premium tiers. Everyone deserves access to quality MMR tracking.
Meet The Team
Built by passionate League players, for the community
Ryan Carter
Founder & Lead Developer
Hey! I'm Ryan, a Diamond-ranked League player on the NA server with over 7 years of competitive experience. Like many of you, I was frustrated by the lack of transparency around MMR and how it affects our LP gains.
Diamond League player & software engineer and data analyst. I built TrueMMR - the tool I wished existed - one that's accurate, free, and respects your privacy.
I created TrueMMR to help players like us understand our true skill level and make informed decisions about our ranked grind. Whether you're climbing to Challenger or stuck in Bronze, you deserve to know where you really stand.
Why Trust Us?
Proven expertise backed by real results
Experience
Our team includes high-elo players, data scientists, and software engineers with years of experience analyzing League of Legends' ranking system.
Expertise
We've processed over 50,000 MMR calculations and continuously refine our algorithms based on real-world data and community feedback.
Authority
Featured in major League of Legends communities and trusted by content creators. Our accuracy rate of 95% speaks for itself.
Trustworthiness
100% transparent about our methods. No data collection, no hidden agendas. Just a tool built by players, for players.
Ready to Check Your MMR?
Join over 50,000 players who trust our MMR calculator