Spyke

Have you checked the "Get Sync Ultra" and "Remove ads" items on the drawer menu (swipe from the left side of the screen)?

And if you don't buy any of those, then ads.

That's how.

30

There's a monthly/yearly paid version with some extra features for those who want to support the dev, and also a one time ad-free purchase option.

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Razpreply

Either ads, one time unlocks or yearly subscription

11

There are plenty of great apps developed by one or only a few people. I'm personally not surprised.

10

Using Java and Kotlin.

I asked lj on discord after joining the dedicated server.

And yes he's paid through a combination of ads and the no ads / Sync Ultra purchases.

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How is Sync developed? | Spyke