I tried Google I swear, just didn't know how to word it. Sometimes different brains helpGoogle is much more effective than the forum search tool (or pretty much any forum's search, it's not dissing this particular site).
If you Google "RPG Maker MV substitute heal" you'll find 3 or 4 threads here about it. I hope that's helpful next time you're stuck for something!
I used the same wording you quoted in your post, with the addition of RPG Makerjust didn't know how to word it