The short answer
If you came looking for something like BitLife that does not want an install, OpenLifeSim is the closest thing that opens in a tab. Both games are one person's whole life, one turn per year, decided by numbers you can read. The differences are where they run, what they cost, and how much of the machinery they show you.
BitLife is a mobile app you install from the App Store or Google Play, and it is free to play with adverts and an optional paid tier. OpenLifeSim is a web page: it runs on a phone, a tablet or a desktop, it has no adverts at all, and the entire game is free.
OpenLifeSim vs BitLife, side by side
| OpenLifeSim | BitLife | |
|---|---|---|
| Where it runs | Any web browser — phone, tablet, desktop | iOS and Android app |
| Install needed | No — it is a web page | Yes, from an app store |
| Account needed | No | Not to play |
| Adverts | None, anywhere | Yes, on the free tier |
| Cost to play the whole game | Free | Free with adverts; a paid tier removes them and adds content |
| What money buys | Nothing you play. $9 one-time keeps a life: cloud saves and more save slots | A subscription tier and in-app purchases that unlock content |
| Jobs | 155 jobs across 22 career ladders, plus 8 special careers | A broad job list plus special careers |
| Moving country | 22 countries with their own wages, rents, visas, currencies and 14 languages to learn | Emigration between countries |
| How a year is shown | A dashboard of readouts — bars, thresholds and figures you scan | A scrolling text log you read |
| Saves | In the browser by default; cloud saves are the paid extra | On the device, tied to the app |
This table is about what each game is, not which is better. BitLife is a polished app with years of content behind it. I make OpenLifeSim on my own and in the open, so the honest pitch is narrower: it is free, it is in a tab, and it shows you its numbers.
What is actually different about OpenLifeSim
The numbers are drawn, not narrated
Most life sims narrate a year at you and leave you to work out whether it went well. OpenLifeSim draws it instead. Run a zoo and the inspector's mark sits on a bar with the pass line drawn across it, so a fail looks like a fail before you read a word. You come back each year to answer one question — am I getting better or worse at this — and the answer takes a second on a phone.
The world is a place with prices in it
Twenty-two countries, each with its own wage level, rents, tuition, healthcare and visa rules, and fourteen languages you can be fluent or useless in. Moving is a real decision with a real bill rather than a menu option, and a job that pays well in one country is an ordinary living in another.
It is free because the game is not the product
Nothing in the game is behind a paywall, an advert or a subscription. The one-time purchases exist so a life can outlive your browser's storage — cloud saves, more lives on the shelf at once, and a way to hand a life to somebody else to play on. If you never pay, you never hit a wall.
Common questions
Is there a free alternative to BitLife?
OpenLifeSim plays the same shape of game — one life, one year per turn — and all of it is free. Where it goes further is the world: 155 jobs across 22 career ladders, and 22 countries with their own wages, rents and visas. The optional one-time purchases only add cloud saves and extra save slots.
Can I play a life simulator in my browser without downloading anything?
Yes. OpenLifeSim runs entirely in a web browser on desktop, tablet and phone, with nothing to install and no sign-up.
Is OpenLifeSim on iOS or Android?
There is no app-store listing, and there does not need to be. It is a web page, so it opens on iOS and Android in Safari or Chrome exactly as it does on a desktop, and the browser's own menu adds it to the home screen like an app.
How long does one life take?
A life runs one year per turn from birth to death, which is usually a sitting or two. The game saves in the browser, so you can leave a life half-lived and come back to it.
Start one
You are born somewhere, to someone, with nothing decided. The next click is the game.