DONE allows you to create daily challenges and then invite your friends to make you both accountable for completing the challenge everyday.
Do you struggle to drink 2 litres of water everyday?
Do you want to do some exercise everyday but lack motivation?
Do you want to read more?
Do you want to learn a skill?
Do you want to avoid eating certain foods?
DONE is simple and easy to use. Add a challenge. Invite others to your challenge, and everyday mark it as DONE when you are!