I have been using this app on and off for maybe 10 years now. My mom first found it, and I would play it on her tablet, and when I was looking for a good puzzle app for my new phone this was one of the first things I thought of.
The learning/hints in this app are incredible, it’s really made me better at sudoku. There are a variety of hints available, so you can get a gentle nudge in the right direction, a full explanation, or just a random number revealed. It truly meets you at whatever level you want.
It’s not just the best sudoku app, it’s probably the best free app game I’ve ever had. There are no ads that take over your whole screen ever, the only ones that exist are tiny banner ads that show up at the bottom of the menu. They’re not loud and obnoxious, they’re never in a place that you might click accidentally, and half the time they’re for the paid version of the app if you want unlimited games rather than dailies. I might buy that one, not because I desperately need more sudoku (I like being pushed into harder difficulties every day when I finish the ones in my comfort zone), but because I want to support the developer and thank him for creating such a good app.
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