Lumosity occupies an awkward space: it's marketed as educational brain training with scientific backing, but the science is shaky at best (hence the FTC fine), and the games themselves are pretty boring compared to what kids actually want to play.
The app isn't harmful—there's no inappropriate content, no toxic social features, no violence. It's just... expensive digital homework disguised as self-improvement. The subscription model is aggressive, and most families will find themselves paying $60+ per year for games that kids abandon after a week because they're not actually fun.
The fundamental issue: these games make you better at these specific games, not at 'brain function' broadly. It's like thinking doing crossword puzzles will make you better at math. Sure, you'll get great at crosswords, but the transfer to other skills is minimal.
If your kid genuinely loves puzzle games and you want something that feels 'productive,' fine—but know you're mostly buying parental peace of mind rather than measurable cognitive gains. For the same price, you could get a year of Duolingo (actual skill-building), Minecraft (actual creativity), or a stack of actual puzzle books that don't require a subscription.
The 2013 release date shows. The interface feels dated, the games feel repetitive, and kids raised on modern app design will find this clunky and uninspiring. It's the digital equivalent of those 'educational' workbooks that sit untouched after the first week of summer.