Comparison

Sudoku Now! vs ChainDrop

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

Head to head
About

Sudoku Now!

Engage your mind with a classic number puzzle game offering over 20,000 handcrafted puzzles across five difficulty levels. Enjoy daily challenges, smart hints, and a pencil mode for notes. Play offline with features like unlimited undo and auto-save.

Highlights
  • Over 20,000 unique puzzles
  • 5 difficulty levels
  • Instant Input Mode
  • Smart hints and solving techniques
  • Pencil Mode for notes
  • Daily Challenges and seasonal events
  • Unlimited undo and auto-save
Read full description

Welcome to Sudoku Now! – Your Daily Brain Workout! Looking for a fun and refreshing way to stay sharp? Sudoku Now is the ultimate number puzzle game that blends classic sudoku logic with intuitive, modern gameplay. Whether you’re a curious beginner or a seasoned expert, Sudoku Now! offers over 20,000 handcrafted puzzles to keep your brain active and your mind relaxed. Play anytime, anywhere – no internet required! Choose from five distinct difficulty levels: Easy, Medium, Hard, Expert, and Master – the ultimate challenge for true sudoku enthusiasts. Daily challenges, clean design, and smart tools make Sudoku Now! both relaxing and deeply engaging. Why Sudoku Now? - Over 20,000 unique puzzles – every puzzle has one correct solution - 5 difficulty levels: Easy, Medium, Hard, Expert, and Master - Instant Input Mode: a unique feature for quickly entering or penciling in numbers - Smart hints that not only show the next move but teach solving techniques - Pencil Mode lets you take notes – candidates auto-update as you go - Daily Challenges and seasonal events with special collectible medals - Unlimited undo, with auto-save to continue anytime - Light and Dark mode support – play comfortably day or night - Elegant interface, smooth controls, and beautiful themes - Track your statistics and see your progress improve Whether you want a brain boost or a mindful break, Sudoku Now! is the perfect game to accompany your day.  Sharpen your logic, build your memory, and enjoy a rewarding puzzle experience!

About

ChainDrop

Features
Read full description

ChainDrop is an addictive 8x8 grid puzzle game that combines classic block placement mechanics with explosive chain-burst combos. Drop blocks, build matching chains, and trigger cascading reactions for maximum points! Core Gameplay: - Color Burst Chain System: Place 4+ adjacent same-color blocks to trigger a burst. Watch them explode and create stunning chain reactions as blocks cascade down—just like Puyo Puyo! - Line Clearing: Complete entire rows or columns and they instantly clear, making room for more combos - Gravity Mechanics: Blocks fall naturally after clears, enabling consecutive chain reactions and big scores - Fever Gauge: Build up your combo multiplier and fill the Fever Gauge to unlock powerful rainbow blocks that match any color - Combo Multiplier Scoring: Bigger chains = bigger multipliers. Create the ultimate cascade for massive point bonuses Visual & Haptic Experience: - Sleek Liquid Glass UI design with smooth animations - Strategic haptic feedback on block placements and bursts - Dynamic sound design that responds to your combos - Satisfying visual effects that reward your puzzle-solving skills Play Anytime: - Casual endless mode—play at your own pace - No WiFi required, play offline - Quick sessions or extended marathons - Available in English and Japanese Premium Option: Remove all ads with a one-time in-app purchase and enjoy uninterrupted puzzle solving. Ad-free play includes all standard gameplay features. Perfect for puzzle enthusiasts, casual gamers, and anyone who loves the satisfaction of triggering massive combos. Download ChainDrop today!

Screenshots

Sudoku Now!4 screens
ChainDrop3 screens

Verdict

The call

The clearest difference is iOS requirement: Sudoku Now! at 15.0 against ChainDrop'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. Sudoku Now! sells 1 one-off in-app purchase and ChainDrop sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 9 level
Sudoku Now! versus ChainDrop: the parameters behind the verdict, then further details
ParameterSudoku Now!ChainDrop
PriceFreeFree
Rating4.8 (10K ratings) — better—
Positive reviews56.3% of reviews—
Number of ratings10K — better—
Update frequencyFortnightly—
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size275 MB4 MB
Age rating4+4+
DeveloperArrowise StudioKeishi Iizuka

Bugs and requests

Sudoku Now!

Reported bugs

2 issues
  • Ads appearing in the middle of gameplay
  • Forced to watch video ads to continue playing

Requested features

2 requests
  • Remove ads
  • Improve pencil mode functionality

ChainDrop

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Sudoku Now!

One-time1
  • No-Ads Pack$12.99
1 purchases

ChainDrop

One-time1
  • Remove Ads$1.99

Questions

Is Sudoku Now! free?
Sudoku Now! is free to download, with in-app purchases available.
Is ChainDrop free?
ChainDrop is free to download, with in-app purchases available.
Do Sudoku Now! or ChainDrop have ads?
Both Sudoku Now! and ChainDrop show ads.

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