Comparison

Remember the Numbers vs Learn Chess Openings with Cat

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

Head to head
About

Remember the Numbers

Test your memory by recalling numbers shown briefly. Progress through increasingly challenging stages as you prove your recall abilities. This game is designed to sharpen your mental recall.

Highlights
  • Memory testing game
  • Recall numbers at a glance
  • Increasingly difficult stages
  • Sharpen mental recall
Features
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This is a game for testing your memory. You must remember the numbers at a glance. If you correct, try more difficult stage!

About

Learn Chess Openings with Cat

Features
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Learn Chess Openings with Cat is a friendly chess opening trainer designed for beginners who want to understand openings, not just memorize moves. A cute cat guide explains the ideas behind each move, helping you learn why the move matters, what square it controls, and what plan each side is aiming for. Learn Chess Openings with Cat is a friendly chess opening trainer designed for beginners who want to understand openings, not just memorize moves. A cute cat guide explains the ideas behind each move, helping you learn why the move matters, what square it controls, and what plan each side is aiming for. You can study popular chess openings step by step, then test yourself by choosing the correct moves on the board. Both White-side and Black-side practice are supported, so you can learn the same opening from both perspectives. Features: - Learn popular chess opening lines - Cat-style commentary for beginners - Practice as White or Black - Learning mode and test mode - Tap or drag pieces to move - Highlighted squares for easier understanding - Progress tracking for each opening - 3-lives test mode for repeat practice - Japanese and English language support - Free openings included, with optional paid unlocks Included openings: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation Indian Game: Queen’s Gambit Declined, Tartakower Defense Open Game: Ruy Lopez, Closed, Chigorin Defense Semi-Slav Defense: Anti-Moscow Gambit French Defense: Winawer Variation, Warsaw Variation Caro-Kann Defense: Advance Variation, Short Variation English Opening: Agincourt Defense, Neo-Catalan Declined King’s Indian Attack: Yugoslav Variation Scandinavian Defense: Main Line, Mieses Variation Pirc Defense: Austrian Attack, Weiss Variation This app is ideal if: You are new to chess openings You often forget opening moves You want to understand the purpose behind each move You want to practice both White and Black plans You prefer a calm, simple, and friendly learning experience Start with the free openings and build your opening knowledge one move at a time. References Kasparov, Garry, and Raymond Keene. Batsford Chess Openings 2. 1989. ISBN 0-8050-3409-9. Nunn, John, Graham Burgess, John Emms, and Joe Gallagher. Nunn’s Chess Openings. 1999. ISBN 1-8574-4221-0. Panov, Vasily. Teoría de Aperturas, Tomo I: Aperturas Abiertas - Aperturas Semiabiertas. 1973. ISBN 84-270-0132-0. Schiller, Eric. Standard Chess Openings. 2002. ISBN 1-58042-048-6. de Firmian, Nick. Modern Chess Openings. 15th ed., Random House, 2008. ISBN 0-8129-3682-5.

Screenshots

Remember the Numbers3 screens
Learn Chess Openings with Cat4 screens

Verdict

The call

The clearest difference is in-app purchases: Remember the Numbers at none against Learn Chess Openings with Cat's 8. Remember the Numbers also leads on iOS requirement (6.1 vs 13.0). Learn Chess Openings with Cat's advantage is update cadence (every 2 weeks vs every 4 months). On price, ads and device support 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. Learn Chess Openings with Cat sells 8 one-off in-app purchases. Remember the Numbers asks for nothing beyond the download.

UpkeepUpdate frequency

Remember the Numbers ships an update every 4 months, Learn Chess Openings with Cat every 2 weeks. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
Remember the Numbers versus Learn Chess Openings with Cat: the parameters behind the verdict, then further details
ParameterRemember the NumbersLearn Chess Openings with Cat
PriceFreeFree
Rating3.8 (4 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings4 — better—
Update frequencyEvery 4 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS6.1 — better13.0
Further details — not scored
Size10 MB29 MB
Age rating4+4+
DeveloperHiramekiLab Inc.REBRON

In-app purchases

None

Remember the Numbers

No in-app purchases

8 purchases

Learn Chess Openings with Cat

One-time8
  • Popular No.4 Semi-Slav Defense$1.99
  • Popular No.5 French Defense$1.99
  • Popular No.6 Caro-Kann Defense$1.99
Show 5 more
  • Popular No.7 English Opening$1.99
  • Popular No.8 King’s Indian Attack$1.99
  • Popular No.9 Scandinavian Defense$1.99
  • Popular No.10 Pirc Defense$1.99
  • Unlock All Openings$7.99

Questions

Is Remember the Numbers free?
Remember the Numbers is free to download, with no in-app purchases.
Is Learn Chess Openings with Cat free?
Learn Chess Openings with Cat is free to download, with in-app purchases available.
Do Remember the Numbers or Learn Chess Openings with Cat have ads?
Neither Remember the Numbers nor Learn Chess Openings with Cat shows ads.
Which is updated more often, Remember the Numbers or Learn Chess Openings with Cat?
Remember the Numbers ships an update every 4 months, and Learn Chess Openings with Cat every 2 weeks. Most recently, Remember the Numbers was updated on November 1, 2026 and Learn Chess Openings with Cat on November 5, 2026.

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