If you are looking for confirm profit in small intervals of time, Crypto Assistance is the best application for that. It has a team of very good analysts and researches who made a very reliable algorithm and it will be getting better and better as time passes. It only supports small profits just divide your total btc amount in 4-8 parts and keep buying and selling as the application states. It is worth a shot. Even when Bitcoin is changing alot it provides very stable options. Sure small profits are what this application is offering. Just try for a single day. It also provides real time rates and alot more features. You won't regret it.
link: https://play.google.com/store/apps/details?id=co.zamtech.zam.cryptoassistance