(Android) Battlevoid: Harbinger $1.99 (Was $3.99) @ Google Play

Rated 4.7/5 with over 50,000 installs. No IAP.

Battlevoid: Harbinger is a hard sci-fi space exploration game blending roguelike, turn-based, star map strategy, and real-time space battles. You are a young commander given the task to venture out into enemy territories, far away from home to unknown galaxies, never knowing what you will face as you jump out from hyperspace.

** PREMIUM GAME - No In-App Purchases in this game. Pay once, play forever! **
** NOW as full EXTENDED EDITION version. This game won't let you down, Commander. **