In the past I have logged brief notes onto the calendar pages pf a paper planner. These are often things that have already happened rather than future events, but future events are in there, too. For instance, I might write "sold 200 units" or "board mtg in Dallas-136 miles" or "ran 3.2 miles-31 min." or "dentist appt - 8:00 am". Sometimes I use different ink colors for different categories of events. When I look at the monthly planner page, I can quickly scan for what I'm looking for. Journaling apps I've seen seem to be more the personal reflections kind of journals with photos and pretty fonts. That's not what I need.
I find apps that are to do lists, fitness logs, mileage logs, etc., but I want it all in one place where its easy to scan. Suggestions?