I actually use some apps and a free web portfolio tracker.
Here's the one that I used for Android
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Crypto Market Cap - Crypto tracker, Alerts, News = it's free and it also has news alert and portfolio
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Blockfolio = Never used them but it's also a good app for tracking portfolio.
For web portfolio and sheets
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https://cointracking.info/ = This is the best tool you can also download the sheet in a CSV file that you can open through a Google spreadsheet or any similar software.
Or manually make own data sheet by following their guide from here "
Cointracking.info data in Excel & Googlesheets using Cryptosheets"
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Coingecko Portfolio = Its free but you must be registered. They don't have a sheet but it's also good for tracking portfolios. They also support Android.
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Coinmarketcap Portfolio tracker = same as Coingecko but it has better UI.
All free crypto portfolio tracker templates can be found here
https://cryptosheets.com/templates They also have paid templates but the free is enough to start tracking your crypto.