You had something going. A run of days where you actually did the thing, and a number that went up each time you did. Then you missed one, the number went back to zero, and now you are staring at the app wondering whether to wipe it and begin again properly on Monday.
The short answer is no
Starting over does not undo the missed day. It only destroys the record of every day you did not miss. You are proposing to punish thirty days of work for the crime of one day off, and the punishment falls entirely on the thirty.
Why the urge is so strong
Because the number was the only thing keeping score, and a broken number reads as a broken effort. It is not. The number and the effort are different things. Twenty three days of showing up followed by one day off is twenty three days of showing up. That is what happened. The counter saying zero is the counter being wrong about your life, not your life being wrong.
There is also something quietly appealing about a clean slate. Day one is a fresh start with no history and no failures in it. But a clean slate is only clean because it is empty, and empty is exactly what you have spent a month getting away from.
What starting over actually costs
Three things, and none of them are obvious in the moment.
You lose the evidence. The single most useful thing a long goal gives you is proof that you are the sort of person who does this. Reset, and the proof goes with it. In a month you will not remember the twenty three days. You will remember that you restarted.
You teach yourself that one bad day is fatal. If a miss means starting again, then every day carries the weight of the whole run, and a goal that expensive is a goal you will eventually avoid rather than fail at. That is how people stop opening the app entirely.
You make the next miss more likely, not less. Restarting feels like a decisive act, so it satisfies the urge to do something. It is not a change in behavior. Nothing about tomorrow is different, except that you now have less behind you.
What to do instead
Mark the day missed and carry on. Not metaphorically: actually record it as a day you did not do the thing, and then do the thing today.
Recording it matters more than it sounds. A missed day you have looked at and accepted is a fact. A missed day you have erased is a secret, and secrets are heavy. The goal is a record you can stand to look at, which means one that includes the days that went badly.
Then make today's version smaller. Not the whole run, not the full hour. Whatever the least defensible version of the habit is, do that. The point of today is not progress, it is continuity.
When starting over is the right call
There is one case, and it is not this one. Start over when the goal itself is wrong: when you set out to run every day and your knees have opinions, or when the thing you wanted in January is not the thing you want now. That is not restarting, it is replacing, and it deserves a clean slate because the old slate was answering a different question.
Missing a Tuesday is not that.
How Reveal the Dream handles it
There is no streak in it, so there is nothing to break. Your goal is a photograph under a cover, and each day you check in, one more piece of that cover comes away. Miss a day and you mark it missed: that day's piece stays covered, a little heavier than the days still ahead of it, and every piece you already earned stays exactly where it is.
The picture keeps opening. You can see the day you missed sitting in the middle of it, which is the point. It is a record, not a punishment, and there is no button anywhere that sets you back to day one.
If you want the longer version of this, read what to do when you miss a day, or how to restart a goal without going back to day 1.