Comparison

SG Chess vs SixFour Chess

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head

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About

SG Chess

Features

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SG Chess is an innovative and thrilling way to enjoy chess, offering a unique twist to the classic game. With SG Chess, you can dive into quick and engaging chess games that fit perfectly into your schedule, requiring minimal time commitment while giving you the chance to compete with Grandmaster's.

About

SixFour Chess

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SixFour Chess is a refined chess app built for simple, focused play on iPhone. Play locally against the AI, enjoy a clean and accessible interface, and review your finished games move by move. SixFour keeps the experience clear and distraction-free, with thoughtful design and modern mobile controls. Features Play Locally Against the AI Enjoy a smooth and focused chess experience without creating an account. Five Difficulty Levels Choose from five AI levels, including Master difficulty with online analysis for a stronger challenge. Three Hints Per Game Get limited help during a game to guide your next move. Replay Finished Games Review your completed games with local history and move-by-move board replay. Full Chess Rules Play with castling, en passant, promotion, threefold repetition, and the fifty-move rule. Built for iPhone Enjoy haptic feedback, sound effects, and a clean interface designed for mobile play. Accessible by Design SixFour supports VoiceOver and is available in English, French, and Italian. Privacy First No ads. No tracking without your consent.

Screenshots

SG Chess4 screens

SixFour Chess4 screens

Verdict

The call

The clearest difference is update cadence: SG Chess at every 3 weeks against SixFour Chess's every 2 months. SG Chess also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SG Chess ships an update every 3 weeks, SixFour Chess every 2 months. Both last shipped on October 28, 2026.

Scorecard3 real differences · 3 level

SG Chess versus SixFour Chess: the parameters behind the verdict, then further details
Parameter	SG Chess	SixFour Chess
Price	Free	Free
Update frequency	Every 3 weeks — better	Every 2 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone
Requires iOS	12.0 — better	17.0
Further details — not scored
Size	169 MB	10 MB
Age rating	17+	4+
Developer	OneTurf Universe	Adouani SAS

In-app purchases

None

SG Chess

No in-app purchases

None

SixFour Chess

No in-app purchases

Questions

Is SG Chess free?

SG Chess is free to download, with no in-app purchases.

Is SixFour Chess free?

SixFour Chess is free to download, with no in-app purchases.

Do SG Chess or SixFour Chess have ads?

Neither SG Chess nor SixFour Chess shows ads.

Which is updated more often, SG Chess or SixFour Chess?

SG Chess ships an update every 3 weeks, and SixFour Chess every 2 months. Most recently, SG Chess was updated on October 28, 2026 and SixFour Chess on October 28, 2026.