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Pro API keys do not need deposit/withdrawal permissions
API keys are the "keys" to access your trading exchange account with a 3rd party app. If an app has withdrawal permissions, it can theoretically steal your crypto. This bot does not need such permissions to work, thus it can lose money if not configured properly, but it can't steal your money.
Pro It alerts you to trades no matter where you are
It can send instant email alerts and SMS notifications to you so that you can be on top of things even when you are far away from your computer.
Pro It supports backtesting
Backtesting is basically running a set of rules on past market data and see how would the bot have performed during that period. With good projection, an experienced trader can always find similar market conditions to the current ones in past data and then carry out that winning strategy on to the future.
Pro Strategy marketplace
Once you've tweaked your trading strategy to the max, you can lend your best template settings and technical strategies to other users, for profit.
Pro All major crypto exchanges are supported
You will have a hard time finding an exchange that is not supported for backtesting or live trading.
Con Not beginner friendly
It requires some coding skills to tweak the strategy of your selected bot to your needs. It is not a turn-key solution.
Con It is not a bot but a platform to run bots on
With cryptotrader you are actually renting a cloud service for hosting bots, and then you need to rent the bot you are going to use, which can add up to your cost.
The plan that allows access to all the functions and instruments an intermediate trader would use is pricey, at 0.0111 BTC ($42.17 in 04/JAN/2019), and it would be even pricier if BTC goes up.
Con Monthly fees based on bitcoin pricing
If the price of bitcoin goes up too much, you may end up paying thousands of dollars for your subscription.