Comparison

Sudoku HD! vs Sudoku Epic

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

Head to head
About

Sudoku HD!

Experience Sudoku with a feudal Japan theme and stunning graphics. This app offers dual keypads for efficient input, smart note-taking features, and optional error checking. Enjoy multiple difficulty levels and thousands of puzzles.

Highlights
  • Dual keypad entry
  • Smart notes feature
  • Optional auto-notes
  • Optional error checking
  • Multiple difficulty levels
  • Thousands of puzzles
Features
Read full description

Take a journey to feudal Japan with Sudoku Free HD. With beautiful graphics and killer features, Sudoku Free HD is the best Sudoku app available for the iPad. DUAL KEYPAD ENTRY Two separate keypads, one for entries and one for notes, allow you to enter values quickly and easily. No more tedious switching between entry mode and note mode to complete your puzzle. SMART NOTES The optional auto-notes feature enters all of the notes into the puzzle for you and keeps them updated as you solve. If you don't want that much help, the optional smart notes feature automatically deletes values from notes you have entered manually when they are no longer valid. ERROR CHECKING The optional error checker tells you when you have entered an incorrect or illogical value, allowing you to catch errors early and preventing needless frustration. MULTIPLE DIFFICULTY LEVELS Five difficulty levels, from easy to insane, ensure that you will be able to find a puzzle that matches your skill level. With 3,000 total puzzles, you won't run out of puzzles any time soon. Download Sudoku Free HD for free today and start playing Sudoku the way it was meant to be played!

About

Sudoku Epic

This app offers a comprehensive Sudoku experience with five distinct game modes, including classic 9x9, mini, Wordoku, Killer Sudoku, and daily challenges. It provides thousands of puzzles and various difficulty levels to sharpen your logic and problem-solving skills.

Highlights
  • Five Sudoku game modes
  • Thousands of free puzzles
  • Killer Sudoku mode
  • Wordoku mode
  • Daily new puzzles
  • Play offline
  • Hints and auto notes
Features
Read full description

Sudoku Epic is a free sudoku game with five different sudoku games in one: Regular 9x9 puzzles, 6x6 mini, Wordoku (also known as Letter Sudoku), Killer Sudoku and daily soduko challenges. Killer Sudoku is an exciting mix of sodoku and kakuro. Wordoku is played with letters instead of numbers, and the puzzles contain words that function as hints. With thousands of puzzles and challenging goals, Sudoku Epic is the perfect app for exercising your brain! Features: • Five Sudoku game modes! • Thousands of free sudoku puzzles! • Killer Suduko: For expert puzzle solvers! • Wordoku: Find the hidden word! • Get new puzzles daily! • Auto notes • Play offline with no wifi! • Complete goals! • Five difficulty settings! • Get hints!

Screenshots

Sudoku Epic4 screens

Verdict

The call

The clearest difference is rating: Sudoku Epic at 4.8 against Sudoku HD!'s 4.5. Sudoku Epic also leads on update cadence (every 6 weeks vs every 6 months) and device support (3 vs 1). Sudoku HD!'s advantage is iOS requirement (12.0 vs 15.0). On price, review sentiment, ratings volume and ads 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 HD! sells 11 one-off in-app purchases and Sudoku Epic sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Sudoku Epic holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 707 and 411 respectively. Written reviews point the same way: 87% of Sudoku HD!'s written reviews are positive against 90% of Sudoku Epic's.

UpkeepUpdate frequency

Sudoku HD! ships an update every 6 months, Sudoku Epic every 6 weeks. The most recent releases landed on September 19, 2026 and September 21, 2026 respectively.

Scorecard4 real differences · 6 level
Sudoku HD! versus Sudoku Epic: the parameters behind the verdict, then further details
ParameterSudoku HD!Sudoku Epic
PriceFreeFree
Rating4.5 (707 ratings)4.8 (411 ratings) — better
Positive reviews86.9% of reviews90.0% of reviews — better
Number of ratings707 — better411
Update frequencyEvery 6 monthsEvery 6 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPadiPhone, iPad, iPod — better
Requires iOS12.0 — better15.0
Further details — not scored
Size128 MB113 MB
Age rating4+4+
DeveloperOptime Software LLCKristanix AS

Customer experience

Sudoku HD!

All ratings707 ratings
Positive88.4%
Neutral5.0%
Negative6.6%
Written reviews274 reviews
Positive86.9%
Neutral2.9%
Negative10.2%

Sudoku Epic

All ratings411 ratings
Positive96.1%
Neutral2.4%
Negative1.5%
Written reviews250 reviews
Positive90.0%
Neutral4.8%
Negative5.2%

User reviews

Sudoku HD!

From 707 App Store ratings

What we love

  • 👍 Easy to use
  • 🤓 Challenging puzzles
  • 🎶 Relaxing music
  • 💻 Great interface
  • 🧠 Keeps mind active

Room to improve

  • 🔍 Too many ads
  • 🔄 Crashes and freezes
  • 🎨 Dislike new layout changes
  • 🤦‍♂️ Penalizes for mistakes
  • 🔒 Cannot revert to old version

Sudoku Epic

From 411 App Store ratings

What we love

  • 🚀 Challenging and addictive
  • 👍 Great variety of puzzles and difficulty levels
  • 👍 Intuitive and user-friendly interface
  • 👍 Helpful features like pencil marks and hints
  • 👍 Excellent for improving cognitive skills

Room to improve

  • 🔍 Aggressive and intrusive ads
  • 🐛 Occasional crashes or performance issues
  • 🔍 Ads interfere with gameplay by running the timer
  • 🔍 Lack of landscape mode support on tablets

Bugs and requests

Sudoku HD!

Reported bugs

3 issues
  • Puzzles marked as completed when they are not
  • Crashes when trying to play 'insane' level puzzles
  • Purchases not restoring across devices

Requested features

4 requests
  • Allow resetting of puzzles
  • Provide level selection options
  • Automatically clear notes when number is entered
  • Add landscape mode support

Sudoku Epic

Reported bugs

2 issues
  • Unsolvable puzzles due to rendering errors
  • Compatibility issues with newer iOS versions

Requested features

4 requests
  • Ability to lock in confirmed numbers
  • Option to display current time of day
  • More variety in puzzle formats beyond Sudoku
  • Daily challenge or leaderboard features

In-app purchases

11 purchases

Sudoku HD!

One-time11
  • Puzzle Pack - Showa$0.99
  • Puzzle Pack - Kurikara$0.99
  • Puzzle Pack - Subushi$0.99
Show 8 more
  • Puzzle Pack - Miura$0.99
  • Puzzle Pack - Kasagi$0.99
  • Puzzle Pack - Ishizu$0.99
  • Puzzle Pack - Sakai$0.99
  • Puzzle Pack - Genpei$0.99
  • Puzzle Pack - Norada$0.99
  • Puzzle Pack - Meiji$0.99
  • Puzzle Pack - Taisho$0.99
1 purchases

Sudoku Epic

One-time1
  • Premium Edition$2.99

Questions

Is Sudoku HD! free?
Sudoku HD! is free to download, with in-app purchases available.
Is Sudoku Epic free?
Sudoku Epic is free to download, with in-app purchases available.
Which has better reviews, Sudoku HD! or Sudoku Epic?
Sudoku Epic is rated higher. Sudoku HD! averages 4.5 out of 5 from 707 ratings, while Sudoku Epic averages 4.8 from 411 ratings.
Do Sudoku HD! or Sudoku Epic have ads?
Both Sudoku HD! and Sudoku Epic show ads.
Which is updated more often, Sudoku HD! or Sudoku Epic?
Sudoku HD! ships an update every 6 months, and Sudoku Epic every 6 weeks. Most recently, Sudoku HD! was updated on September 19, 2026 and Sudoku Epic on September 21, 2026.

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