Daily cost of living in top bar next to balance - Monzo adds up all your outgoings and tells you how much it costs per day, week, month, year. Then displays what’s left to spend.
Time till financially independent status linked to future Monzo savings account. Financial independence being an lump sum of money that the interest/withdrawal rate provides an income equal to your cost of living. Not a pension but similar. Early retirement extreme. https://www.amazon.co.uk/Early-Retirement-Extreme-Philosophical-Independence/dp/145360121X
Just a thought