Two days after leaving a review about app crashes, the developers released an update that fixed the crashes. This could be a coincidence, but a few other reviews mention how active the development team is in fixing issues and refining the app. Super cool! It would be neat to have more milestone awards to try and get (like the daily puzzle trophies, but for different difficulties / etc). Also, I would love to be able to use my coins or graduation caps to buy different skins for the puzzles or permanently unlock new features / ways of playing / skins. Just a suggestion! I'm a new daily player and adore the function of this app.

I’ve waited about a month before writing this review to make sure I had really experienced everything. While the gameplay is fun (provided you like math puzzles of course), the difficulty levels seem to be all over the place at times. I had “Expert” puzzles I finished in under a minute, and I had “Medium” puzzles that took actual work and several minutes to solve. The events are also an issue. I spent nearly an hour for several different days trying to complete the postcard or whatever they’re called. Not one time did I actually finish to get a reward, and I’m a completionist/perfectionist. If you have to spend over 5 hours to finish the event, any fun is long gone, and it feels like a chore. Overall I’m sure there are other similar games with a much more reliable game. Follow-up: I just got an email and it was talking about more questions about their premium service. I didn’t even know the game had a premium service, and I never asked them any questions about it. It says it’s from a team member, but I’m fairly sure it’s an automated email considering it has nothing to do with what I wrote in the review. I wish I could change it to 0 stars, but I is the lowest it goes.

I love how challenging this game is. It gets the gears in my brain working - plus there are equations/combos I never would’ve thought of! However, I have two problems with the app: 1. What do I spend the coins on? I’ve searched all over the app and the app’s entry here in the store and yet, I can’t find anything that says what you can spend coins on. So for now, I’ll just collect them. 2. The excessive and lengthy ads are getting annoying. I usually don’t mind ads but it’s gotten ridiculous! For one thing, they’re often longer than each game. Especially when you have to watch the full 1 minute “here’s what you can do in this game app” but then have to wait another 15 seconds of just a screenshot with the game’s app store entry popping up be fore the X to leave the ad appears. Also, what’s the point of having the “skip ad” option after a few seconds if you still have to wait before the X to leave appears? For the 3x coins ads, I sometimes have to watch a second ad just to get the bonus. Not to mention that after I’m given the 30 coins, ANOTHER AD IMMEDIATELY STARTS! As I stated, I usually don’t mind ads and I get why you have them, but the length and amount is ridiculous. If possible, please fix this.