CoinMarketCap
Depends
Confidence: Medium
Use the free site and apps for price checks and rankings - nearly everyone in crypto does, and the API runs in production at Coinbase and Chainlink.
Comparison
CoinMarketCap lands on Depends, and CoinGecko lands on Worth it.
Use the free site and apps for price checks and rankings - nearly everyone in crypto does, and the API runs in production at Coinbase and Chainlink.
Buy it for free crypto price tracking . it is the largest independent aggregator and most users prefer it over CoinMarketCap.
| Compare | CoinMarketCap | CoinGecko |
|---|---|---|
| Verdict | Depends | Worth it |
| Best for | Casual crypto price-checkers | Casual crypto price tracking |
| Who it's not for | Anyone connecting wallets via site links or pop-ups | Traders needing SLA-backed, enterprise-grade data feeds |
| Privacy | Two documented incidents: October 2021 breach and June 2025 frontend phishing exploit (76 wallets drained).² | One confirmed breach: June 2024 hack of third-party email provider (GetResponse) exposed ~1.9M users' data; no exchange of user crypto funds.13 |
| Support quality | No direct support evidence in sources | No support evidence found |
| Public sentiment | App-store users like the free tracker, but Reddit threads flag data-accuracy doubts and security scares.⁴ | Users overwhelmingly favor CoinGecko over CoinMarketCap for data quality, but some report API reliability issues and over-trusting its exchange rankings.16 |
| Biggest gotcha | Never connect a wallet or approve pop-ups on the site - one exploit drained 76 wallets² | 2024 email-provider breach exposed ~1.9M users . expect phishing attempts referencing CoinGecko.13 |