Alien Invasion: RPG Idle Space vs BitLife - Life Simulator

How do Alien Invasion: RPG Idle Space and BitLife - Life Simulator compare on difficulty, ad pressure, in-app-purchase pressure and what real reviewers say? A side-by-side look, grounded in App Store data.

	Alien Invasion: RPG Idle Space	BitLife - Life Simulator
Genre	Role Playing	Role Playing
Price	Free	Free
Difficulty	medium	easy
Ad intensity	high	high
In-app-purchase pressure	high	high
Typical session	variable	variable
Rating	4.8 / 5	4.8 / 5
Ratings count	126,173	1,782,508
Reviews say	What players like Engaging core loop of evolving and devouring enemies Fun for casual play in short bursts (idle mechanics) Solid gameplay concept and entertaining visuals Common complaints Excessive ads that dominate screen and are difficult to exit Extremely long grinding to progress at reasonable pace High IAP pressure with constant monetization offers	What players like Highly addictive gameplay and replayability Deep customization with God Mode Offline play available Common complaints Most features locked behind multiple paywalls and DLC Heavy ad frequency and long ad duration Game becomes boring without paid content

Alien Invasion: RPG Idle Space — Evolve your alien by devouring humans and defeating bosses in this idle RPG, but prepare for relentless ads and grinding. (rated medium difficulty, high ad pressure) BitLife - Life Simulator — A choice-driven text-based life simulator where you build your own story from birth to death, embracing success or chaos on your terms. (rated easy difficulty, high ad pressure)

Data: Apple App Store, as of 2026-07-10. Last updated 2026-07-10.