I have been using CoinTracking for the past two years and all I can say are good things. One of the smartest customer support I've ever experienced. I've used about 4 other portfolio tracking, and none come close to what CoinTracking offers, usability and design is great.

The companion app is amazing as well. Now I can quickly see a snapshot of all my investments, regardless of where they are located, in one easy to use app.

Although the free version is good, import each CSV file from each exchange is time consuming, with the PRO version all your transactions are up to date with one time setup.

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Hope this helps!