The best alternatives to Single Clock are Any.do, Tiny Reminder, and Later. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Single Clock?
AssemblyAI— Speech-to-Text API with superhuman accuracy
Create Actionable Notifications Quicker than any other reminders app by using 70+ symbols so you don’t need to type all the info every time you create a reminder.
Never forget about a contract renewal again. Save money by cancelling unused contracts. Renegotiate in time. A complete contract management system for all your private or business needs.