Comparison

Slitherlink vs Pi Memory Game

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

Head to head
About

Slitherlink

Features
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The Ultimate Number Loop Puzzle for Your Brain\! "Slitherlink" — also known as Fences, Takegaki, or Loop the Loop — is the definitive pencil puzzle that sharpens your logical thinking with numbers. Connect dots on a grid to draw a single closed loop. Numbers in cells tell you exactly how many sides of that cell are part of the loop. Simple rules, yet endlessly deep strategy. ā–  Daily Brain Training Every puzzle demands careful deduction and logical reasoning. One puzzle a day to sharpen your focus and build analytical skills — start your intellectual habit today. ā–  Relax and Think Deeply Play at your own pace with no time pressure. Enjoy a calm, focused puzzle experience perfect for unwinding. ā–  4 Difficulty Levels + Tutorial * Tutorial (3Ɨ3): Learn the basics step by step * Easy (4Ɨ4): Quick and fun for beginners * Normal (5Ɨ5): Satisfying daily brain workout * Hard (8Ɨ8): Challenge for experienced players * Very Hard (10Ɨ10): Ultimate test of logic ā–  Solving Tips Visual tips teach key patterns. Beginners master fundamentals; experts advance their techniques. ā–  Time Attack & Leaderboard Beat your best times and compete in daily challenges on the global leaderboard. ā–  Clean & Intuitive Design High visibility grid, no distractions — pure puzzle enjoyment. Also known as: Number Loop, Loop Puzzle, Fences Puzzle. Start your Slitherlink journey today and train your brain every day\!

About

Pi Memory Game

Features
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Tap the digits of Pi (Ļ€) as they flow and dive past 3.14. PI DIVER is a fast typing game that tests your memory, focus, and reflexes. Compete on the World Ranking and in the Daily Challenge, learn with your own mnemonics, practice the digits you missed, and beat your personal best. 3.14159265358979… How far can you type? [Challenge the World Ranking] Compete with players worldwide under the same fixed rules. • SURVIVAL, TIME ATTACK, and BLIND • Up to 3 attempts per mode each day • See your world rank and the rivals near you • Set a public display name * The World Ranking requires an internet connection. [Daily Challenge] Every day, everyone starts from the same digit. Type as many correct digits as you can in 10 seconds. • 3 tries a day; 3 misses end the run • See today's and yesterday's rankings • Share your result as a score card • Practice from the day's start digit * The Daily Challenge requires an internet connection. [See Every Missed Digit] The result screen shows each digit you missed: its position, the right answer, and what you typed. Tap once to practice from just before it and lock in the tricky stretches. [Learn with Mnemonics] Create and save your own mnemonic phrases from any digit of Pi. The matching phrase appears in sync with the digits while you play. [3 Game Modes] • SURVIVAL: 3 mistakes and you're out. Accuracy is everything. • TIME ATTACK: 60 seconds. Type as many digits as you can. • BLIND: Some digits hide behind "Ļ€". One mistake ends the run. [Instant Practice] Practice starts right away with your last start position and mnemonic. You can also start from any digit you like. [Challenge Your Friends] Share your digits and score as a designed score card on social media. [Score System] • Build combos for up to a x10 score multiplier • Earn speed bonuses for fast inputs • Milestone bonuses at 100, 500, 1,000 digits, and beyond • A huge bonus for passing the famous Feynman Point ("999999" at the 762nd decimal place) [100,000 Digits Inside] PI DIVER includes 100,000 decimal places of Pi. Play again and again, and the next digits start to stick. Perfect for players who: • Love Pi, math, numbers, or STEM • Want to learn what comes after 3.14 • Like learning with mnemonics • Enjoy score attacks and leaderboards • Want a quick brain-training challenge

Screenshots

Slitherlink4 screens
Pi Memory Game4 screens

Verdict

The call

The clearest difference is update cadence: Slitherlink at weekly against Pi Memory Game's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

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

UpkeepUpdate frequency

Slitherlink ships an update weekly, Pi Memory Game every 3 weeks. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

Scorecard1 real difference Ā· 5 level
Slitherlink versus Pi Memory Game: the parameters behind the verdict, then further details
ParameterSlitherlinkPi Memory Game
PriceFreeFree
Update frequencyWeekly — betterEvery 3 weeks
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size97 MB55 MB
Age rating12+4+
DeveloperninecloveKAZUKI KONDO

In-app purchases

None

Slitherlink

No in-app purchases

None

Pi Memory Game

No in-app purchases

Questions

Is Slitherlink free?
Slitherlink is free to download, with no in-app purchases.
Is Pi Memory Game free?
Pi Memory Game is free to download, with no in-app purchases.
Do Slitherlink or Pi Memory Game have ads?
Both Slitherlink and Pi Memory Game show ads.
Which is updated more often, Slitherlink or Pi Memory Game?
Slitherlink ships an update weekly, and Pi Memory Game every 3 weeks. Most recently, Slitherlink was updated on November 7, 2026 and Pi Memory Game on November 9, 2026.

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