Who doesn’t love free? These apps do not require a subscription and are the best free apps we’ve tried.
At some point, we had paid for a year's subscription for all of these apps, not all at once of course. I feel these apps have really helped jumpstart my children's education/have them ahead of the game.
If you're on the fence with using learning apps and/or want to know the good and the bad of using these apps, read through these articles.