Comparison

PureMemory vs Kirin Sudoku

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

Head to head
About

PureMemory

Features
Read full description

PureMemory is the classic pairs memory game, reimagined for you to play with your own photos. Pick the pictures you love —family, pets, travels— and turn them into a deck of cards to play alone or with others. HOW TO PLAY Flip two cards per turn and try to find the matching pairs. The quicker you are, the better. The timer only runs during your turn, so victory goes to the quickest mind. FEATURES • Play with your own photos or our fun emojis • 5 board sizes, from 4×3 (easy) to 6×6 (expert) • Up to 4 players on the same device • Extreme Mode: the cards rotate every time you miss! • Hall of Fame with the best times • Available in English and Spanish • No ads and no in-app purchases Perfect for the whole family, to train your memory and have a laugh with friends. Download PureMemory and prove who has the best memory!

About

Kirin Sudoku

Features
Read full description

Kirin Sudoku is a clean, ad-free Sudoku app that works fully offline. Puzzles are generated on the fly inside the app, so there's always a fresh puzzle waiting — anytime, anywhere. ■ Nothing you don't need • No ads, no in-app purchases • No internet connection required — play in airplane mode • No account, no personal data collected ■ Unlimited puzzles • Standard 9×9 Sudoku generated on the spot, each with a guaranteed unique solution • Four difficulty levels: Easy / Normal / Hard / Expert ■ Comfortable play • Highlights the same row, column, box, and matching digits of the selected cell • Shows how many of each digit remain on the number pad • Pencil marks (notes), auto-removed when you place a digit (can be turned off) • Fill Notes: write candidates into every empty cell at once • Sweep: select a placed digit to clear it from the pencil marks in its row, column, and box • Unlimited undo / redo • Mistake highlighting: conflicting cells shown in red (can be turned off) • Save & Load: mark a position before trying a guess, then jump back with one tap • Auto-fill: near the end, when only a few cells remain and the answer is settled, fill them all at once ■ Progress and stats • Timer (can be hidden) • Completions, best time, and average time per difficulty • Auto-save: close the app and pick up right where you left off • Start the next game straight from the pause menu ■ Look and feel • Three themes: Giraffe (default) / Light / Dark, plus follow-system • Portrait and landscape, on iPhone and iPad • English / Japanese ■ How to play 1. Tap "New Game" and choose a difficulty 2. Tap a cell, then tap a digit on the number pad 3. Not sure yet? Switch to note mode with "Note" and jot down candidates 4. Fill every cell without conflicts to solve the puzzle! Sudoku is a logic puzzle: fill the 9×9 grid with digits 1–9 so that no digit repeats in any row, column, or 3×3 box. New to Sudoku? Start with Easy. Looking for a challenge? Try Expert. Feedback and bug reports: customer-hotline@lichtenlab.com Privacy policy: https://lichtenlab.com/kirin-sudoku/privacy/

Screenshots

PureMemory4 screens
Kirin Sudoku4 screens

Verdict

The call

The clearest difference is iOS requirement: Kirin Sudoku at 14.0 against PureMemory's 17.0. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 4 level
PureMemory versus Kirin Sudoku: the parameters behind the verdict, then further details
ParameterPureMemoryKirin Sudoku
PriceFreeFree
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.014.0 — better
Further details — not scored
Size3 MB85 MB
Age rating4+4+
DeveloperPABLO FIGUEROA LORENZORikuten Lab

In-app purchases

None

PureMemory

No in-app purchases

None

Kirin Sudoku

No in-app purchases

Questions

Is PureMemory free?
PureMemory is free to download, with no in-app purchases.
Is Kirin Sudoku free?
Kirin Sudoku is free to download, with no in-app purchases.
Do PureMemory or Kirin Sudoku have ads?
Neither PureMemory nor Kirin Sudoku shows ads.

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