Comparison

CoinGecko vs CoinMarketCap

CoinGecko lands on Worth it, and CoinMarketCap lands on Depends.

CoinGecko

Worth it

Confidence: Medium

Buy it for free crypto price tracking . it is the largest independent aggregator and most users prefer it over CoinMarketCap.

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CoinMarketCap

coinmarketcap.com

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.

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CoinGecko versus CoinMarketCap
Compare	CoinGecko	CoinMarketCap
Verdict	Worth it	Depends
Best for	Casual crypto price tracking	Casual crypto price-checkers
Who it's not for	Traders needing SLA-backed, enterprise-grade data feeds	Anyone connecting wallets via site links or pop-ups
Privacy	One confirmed breach: June 2024 hack of third-party email provider (GetResponse) exposed ~1.9M users' data; no exchange of user crypto funds.^³	Two documented incidents: October 2021 breach and June 2025 frontend phishing exploit (76 wallets drained).¹¹
Support quality	No support evidence found	No direct support evidence in sources
Public sentiment	Users overwhelmingly favor CoinGecko over CoinMarketCap for data quality, but some report API reliability issues and over-trusting its exchange rankings.^⁶	App-store users like the free tracker, but Reddit threads flag data-accuracy doubts and security scares.¹³
Biggest gotcha	2024 email-provider breach exposed ~1.9M users . expect phishing attempts referencing CoinGecko.^³	Never connect a wallet or approve pop-ups on the site - one exploit drained 76 wallets¹¹

Pick CoinGecko when

Casual crypto price tracking
Portfolio watchers
Developers needing a crypto data API
DeFi and NFT data lookups

When CoinGecko is not a fit

Traders needing SLA-backed, enterprise-grade data feeds
Anyone using it to vet exchanges . users report losses trusting Trust Scores
Security-conscious orgs wanting a spotless breach record
Buyers wanting vendor stability while a sale is pending

Pick CoinMarketCap when

Casual crypto price-checkers
Altcoin watchers tracking thousands of coins
Devs needing a market-data API
Mobile portfolio trackers

When CoinMarketCap is not a fit

Anyone connecting wallets via site links or pop-ups
Traders needing verified, exchange-grade price accuracy
Users unwilling to manage breach-related password risk

Sources

CoinGecko API Pricing Planscoingecko.com
official
CoinGecko Premium Pricingcoingecko.com
official
Security Notice: GetResponse Data Breach, June 2024coingecko.com
security
CoinGecko Hit by Phishing Scamcoingape.com
security
CoinGecko on G2 (4.7/5, 15 reviews)g2.com
review
Reddit: Use CoinGecko over CoinMarketCapreddit.com
review
Google Cloud Customer Case Studycloud.google.com
official
CoinDesk: CoinGecko weighs ~$500M salecoindesk.com
news
Free API tier comparison (Spark)spark.money
news
CoinMarketCap Data Breach - Have I Been Pwnedhaveibeenpwned.com
security
76 wallets drained in CoinMarketCap frontend exploit - Blockworksblockworks.com
security
CoinMarketCap Briefly Exploited With Wallet Phishing Pop-Up - CoinDeskcoindesk.com
news
Trustpilot reviews of coinmarketcap.comtrustpilot.com
review
Stop relying on Coin Market Cap - Reddit r/btcreddit.com
review
Coinmarketcap has been hacked - Reddit r/Bitcoinreddit.com
review
CoinMarketCap: Crypto Tracker - App Storeapps.apple.com
review