Free Offline Chess Apps for Android Against the Computer

The short version: Chess.com, Chess Free by AI Factory, and DroidFish all let you play against a computer with zero signal, but the one that suits you depends on whether you want a clean beginner-friendly engine or an engine strong enough to beat a grandmaster. Download before you travel, not at the gate, because the engine files and opening books can be 40-80MB and some apps want a one-time online activation.

I've spent a fair chunk of my working life on planes between the UK, the US and client meetings elsewhere, and chess against the computer is the one thing that kills three hours on a delayed flight without a WiFi bill. But most "best offline chess app" lists are written by people who installed six apps, took a screenshot, and never played forty moves against the thing. That matters, because the difference between a good offline chess app and an annoying one only shows up after move 15, when you find out whether the AI resigns too early, freezes on your phone, or pretends to think for ten seconds just to seem clever.

What "offline against the computer" requires

Not every chess app that claims to be free is free of a network connection. A lot of them need an internet check on first launch to verify you're not pirating the ad-free version, then they're fine forever after. Others stream their chess engine from a server, which is pointless for a travel app but still happens. Before you trust an app for a flight or a dead zone, do this:

• Switch your phone to airplane mode before you open it for the first time, not after.
• Start a new game against the computer and make five moves.
• Close the app fully, reopen it, and check your game is still there.

If all three steps work, you've got a offline app. This two-minute test catches more fake-offline apps than any amount of reading app store descriptions.

The apps worth your storage space

Chess.com (free tier)

Chess.com's Android app lets you play computer opponents offline once downloaded, with bots ranging from Beginner Bea (roughly 250 Elo, meant to lose on purpose) up to Grandmaster-level bots in the 2500+ range. The free tier caps you at a handful of bot opponents rather than the full library, but that handful spans beginner to strong club player, which covers most people. It's around 60MB to install. The catch: some features like puzzle rush and analysis need a connection, so if you're flying, stick to "Play vs Computer" specifically.

Chess Free by AI Factory

This is the one I'd recommend to someone who just wants chess, not a social network wrapped around chess. No account, no login, no ads on the free version worth mentioning, and it opens straight into a board. The AI has adjustable difficulty from 1 to 10, and levels 1-3 are beatable by someone who learned the rules last week. It takes up about 25MB. If you want a no-fuss option before you even look elsewhere, our rundown of free offline chess and board games for Android with no signup covers this one in more depth.

DroidFish

This is for the person who wants to improve, not just pass time. DroidFish is a free, open-source interface for the Stockfish engine, and Stockfish is the same engine top players use for analysis. You can set the engine strength from a few hundred Elo up to well over 3000, which is stronger than any human who has ever played the game. It's not pretty, the interface looks like it was built in 2012 because parts of it were, but it's completely offline, has no ads, and lets you load a position and ask "what should I have played here." If you want to learn rather than just distract yourself, pair it with a real guide to how to play chess so you understand what the engine is telling you.

Real Chess

A smaller, less talked-about app with a surprisingly good 3D board and decent AI across ten difficulty levels. Worth a look if you find 2D boards hard to read on a small screen. It's heavier than the others, close to 90MB, which matters if you're also reading our notes on free offline games for old Android phones with low RAM because this one will struggle on anything below 2GB of RAM.

A worked example: picking the right app for an actual trip

Say you're flying from London to Tel Aviv, a flight of around four and a half hours, and you want something to do once you've finished work emails and the WiFi (if there is any) runs out. You're a casual player who knows the rules, loses to your brother-in-law most Christmases, and wants a game that won't humiliate you but also won't let you win by accident.

Here's how I'd test it before leaving the house:

1. Download Chess Free by AI Factory and Chess.com the night before, on WiFi, so you're not burning mobile data at the airport.
2. Set Chess Free to level 4 or 5. That band plays reasonably sound chess, makes the odd human-like mistake, and finishes a game in 15-25 minutes, which fits neatly into a flight broken up by meal service and announcements.
3. Keep Chess.com's "Play vs Computer" on standby as a backup against a lower-rated bot if level 4 turns out to be too strong on the day.

That's it. Two apps, tested in airplane mode before you travel, covering both a quick casual game and a slightly tougher one if you're in the mood.

The uncomfortable bit nobody tells you about chess AI difficulty sliders

Most review posts treat "ten difficulty levels" as a selling point without explaining that the gap between levels is rarely even. In Chess Free, levels 1 to 3 feel almost identical, both play weak, slightly random moves, and then level 4 jumps noticeably in strength because that's roughly where the engine starts searching several moves ahead instead of relying mostly on randomised weaker play. The same unevenness shows up in Chess.com's bot roster: there's a big strength jump between the casual bots and the "Grandmaster" tier bots, with not much graduated middle ground in the free version. So if an app advertises "10 levels of difficulty," don't assume that means ten evenly spaced steps from easy to hard. It usually means two or three real bands of difficulty with some marketing padding in between. Test two adjacent levels yourself before you commit to one for a long trip, because the one labelled "easy" might still beat you in 12 moves if it's sitting right on the jump point.

Battery and storage, the boring stuff that matters

A full chess engine running locally does use noticeably more processor than a casual puzzle game, because it's calculating positions in the background even while you're thinking. On a mid-range Android phone, expect a long game against a strong AI setting to use somewhere around 8-12% battery over a 30-minute session, more if the screen brightness is up for a flight. If you're planning a long journey with no charger, that's worth knowing before you set the AI to its hardest level and expect your phone to last six hours. Lowering the AI's "thinking time" setting, where available, reduces this without changing the actual move quality much, since most engines reach near-optimal play within a second or two at club level anyway.

If you want more than just chess

Chess is brilliant for a long flight, but it's a single-player, single-game experience. If you're looking to cover a few different offline games on one phone, it's worth browsing a wider roundup of board games on your phone for official apps and pass-and-play options, or if you're on iPhone instead of Android, the same logic applies in our piece on offline games for iPhone that work in airplane mode. And if you're a Google Play Games user on Android, there's also a shortlist of Google games you can play when you're offline worth having as backups.

Frequently asked questions

Can I play chess against the computer on Android with no internet at all?

Yes. Chess.com, Chess Free by AI Factory, DroidFish and Real Chess all support fully offline play against a computer opponent once installed, though it's worth testing in airplane mode before you travel since a small number of apps require an initial online check.

Which free offline chess app has the strongest computer opponent?

DroidFish, which runs the Stockfish engine, can be set well above 3000 Elo, far stronger than any human player. For most casual players, Chess.com's free bot tier or Chess Free's levels 4-6 are more realistic and enjoyable opponents.

Do offline chess apps drain the battery faster than other games?

Somewhat, yes. A chess engine calculating positions in the background can use around 8-12% battery over a 30-minute session on a mid-range phone, more than a simple puzzle game, so it's worth checking your charge before a long journey with no charger access.

Why do some chess apps' "easy" difficulty levels still feel hard?

Many apps advertise ten levels of difficulty but the actual strength jumps are uneven, with a few levels playing almost identically weak and then a sudden jump in strength at a mid-range level. Always test two adjacent difficulty settings yourself rather than trusting the label.