Comparison

Expert Sudoku vs Red Fire

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

Head to head
About

Expert Sudoku

This app offers a challenging Sudoku experience with 1000 handcrafted puzzles designed for advanced players. It features multiple skill levels, advanced solving techniques, and helpful options to aid your gameplay. Track your progress and challenge yourself with unique, solvable puzzles.

Highlights
  • 1000 unique handcrafted puzzles
  • Advanced solving techniques
  • Show incorrect answers
  • Smart buttons and notes
  • Multiple color schemes
  • Challenge a friend
  • Hints and progress statistics
Read full description

Join over 21,000,000 of our fans and download one of our Sudoku games today! Makers of the Best Sudoku Game of 2008, Sudoku (Free), we offer you the same great features with 1000 extremely difficult puzzles! Warning! Expert Sudoku is for serious Sudoku players. Our hand-crafted puzzles are solvable with only one solution and no guessing. Show your expertise using advanced solving techniques: Naked and Hidden Triples, X-Wing, XY-Wing, Swordfish, Forcing Chain, 2-string Kite, Skyscraper, Unique Corner, and more. OPTIONS All options are OFF by default, but you can turn them on in the Options menu • Show Incorrect :: Shows incorrect answers in red. • Smart Buttons :: Disables the number button when that number is completed on the game board. • Smart Notes :: Removes the number from the notes in the box, column, and row that contains the cell with your correct answer. FEATURES • 1000 unique handcrafted puzzles • Four different skill levels • ALL puzzles are solvable WITHOUT guessing • Multiple color schemes • Challenge a friend • "ALL notes": tap the "All notes" button on to show all the possible answers for each square. Tap the "All notes" button off to remove the notes. • Hints: shows the answer for the selected square or a random square when one is not selected • Pause the game at any time and resume where you left off • Best times, progress statistics, and much more Are you a Sudoku Master? Then play Expert Sudoku; you will love it! Otherwise, check out our other popular Sudoku games for iPhone and iPod Touch. Do you want more? Try one of our other versions of sudoku which have all the same great features! * Look for our paid edition of Sudoku with 1000 easier puzzles. * Or try Color Sudoku for a fun twist to solving sudoku puzzles.

About

Red Fire

Engage in turn-based strategic warfare across East Asia from 1950-1975. Command diverse land, air, and naval forces of numerous nations in historical and fictional conflicts. Experience realistic Cold War combat with intelligent AI and hotseat multiplayer.

Highlights
  • Turn-based strategy
  • East Asian Cold War setting
  • Land, air, and naval forces
  • Dozens of nations
  • Realistic combat simulation
  • Intelligent adaptive AI
  • Hotseat multiplayer
Features
Currently charting
Read full description

Red Fire is a turn-based strategic wargame set in East Asia between the years 1950-1975. Take command of land, air, and naval forces of dozens of nations including the US, USSR, China, Taiwan, North and South Korea, North and South Vietnam, France, Thailand, Indonesia, and the Philippines. Experience Korean War, Vietnam War, and many other conflicts - both historical and fictional. Command squadrons of more than 500 types of aircraft, from biplanes to multirole fighter jets. Control the seas with more than 500 types of warships including submarines, battleships and aircraft carriers. Leverage new tools like surface-air missiles, air-air refueling tankers, attack helicopters, and missile cruisers to dominate the battlefield. Red Fire is powered by a detailed and realistic simulation of Cold War-era air, naval, and ground combat. Fight against an intelligent AI which constantly adapts its strategy to ensure every game is challenging and unique. Challenge a friend in hotseat multiplayer (pass-and-play). Red Fire contains no in-app purchases or ads of any kind, and an internet connection is not required to play. Buy the game once and get access to all current and future content.

Screenshots

Expert Sudoku4 screens
Red Fire4 screens

Verdict

The call

The clearest difference is rating: Red Fire at 4.8 against Expert Sudoku's 4.3. Red Fire also leads on update cadence (every 6 weeks vs every 5 months) and chart position (#103 vs unranked). Expert Sudoku's advantage is price ($2.99 vs $5.99) and iOS requirement (12.0 vs 15.6). On review sentiment, ratings volume, ads and in-app purchases 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

Expert Sudoku costs $2.99 and Red Fire $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Red Fire holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 79 and 93 respectively. Written reviews point the same way: 86% of Expert Sudoku's written reviews are positive against 92% of Red Fire's.

UpkeepUpdate frequency

Expert Sudoku ships an update every 5 months, Red Fire every 6 weeks. The most recent releases landed on October 31, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 5 level
Expert Sudoku versus Red Fire: the parameters behind the verdict, then further details
ParameterExpert SudokuRed Fire
Price$2.99 — better$5.99
Rating4.3 (79 ratings)4.8 (93 ratings) — better
Positive reviews85.7% of reviews92.2% of reviews — better
Number of ratings7993 — better
Update frequencyEvery 5 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
Best chart rank—#103 — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.6
Further details — not scored
Size9 MB166 MB
Age rating4+12+
DeveloperMighty Mighty Good GamesGeoffrey Ayre

Customer experience

Expert Sudoku

All ratings75 ratings
Positive85.3%
Neutral6.7%
Negative8.0%
Written reviews168 reviews
Positive85.7%
Neutral4.8%
Negative9.5%

Red Fire

All ratings90 ratings
Positive94.4%
Neutral2.2%
Negative3.3%
Written reviews77 reviews
Positive92.2%
Neutral3.9%
Negative3.9%

User reviews

Expert Sudoku

From 79 App Store ratings

What we love

  • 🚀 Excellent game
  • 👍 Great challenge
  • 👍 Intuitive interface
  • 👍 Visually appealing
  • 👍 Keeps mind sharp

Room to improve

  • 🐛 Occasional clock issues
  • 🐛 Puzzles can be inconsistent in difficulty
  • 🐛 No undo/cancel option
  • 🐛 Repeated puzzles
  • 🐛 Hint feature not very helpful

Red Fire

From 93 App Store ratings

What we love

  • 🎮 Engaging and addictive gameplay mechanics
  • ⚖️ Good balance between difficulty and accessibility
  • 📊 Detailed historical accuracy and unit variety
  • 🎯 Excellent replay value with multiple campaigns
  • 🎬 Action camera sequences for battle visualization

Room to improve

  • 🐛 Frequent crashes and performance issues
  • ❄️ Game freezes during conflict resolution
  • 🎮 Aircraft auto-renew orders system glitched
  • 🏝️ Guam deployment units cannot leave island
  • ⚔️ Unrealistic AI combat balance (communist faction disadvantage)

Bugs and requests

Expert Sudoku

Reported bugs

2 issues
  • Incompatibility issues with iOS updates
  • Incorrect answers sometimes marked as correct

Requested features

3 requests
  • Ability to color cells or notes
  • Progress tracking and puzzle history
  • More frequent updates with new puzzles

Red Fire

Reported bugs

11 issues
  • Game crashes frequently
  • Freezes on resolving conflicts preventing turn progression
  • Aircraft auto-renew orders system malfunction
  • Naval and land forces stuck on Guam island
  • Ships unable to find routes from Guam
Show 6 more
  • AI captures areas behind player lines unrealistically
  • Carrier planes launch from destroyers instead of carriers
  • Notch display compatibility issue
  • Campaign Red Fire ends prematurely at March 26, 1969
  • Nuclear war notifications trigger without player action
  • Game lag with large unit concentrations (6.7M+ troops)

Requested features

20 requests
  • European theatre/Cold War Europe map
  • Middle East and North Africa campaigns
  • South America and Central America scenarios
  • Modern era (1970s-2020s) game version
  • Group land and air units like naval units
Show 15 more
  • Artillery units with ranged mechanics
  • Individual aircraft selection from squadrons
  • WWI and Gulf War scenarios
  • India and Pakistan as playable nations
  • Mission editor for campaign customization
  • Ability to disband units and ships
  • Force allied AI to move troops
  • More save slots
  • PC/desktop port
  • Star Wars version
  • American Civil War scenario
  • Cuban Missile Crisis campaign
  • Diplomacy complexity improvements
  • Vehicle variants expansion
  • Reduced AA missile quantities

In-app purchases

None

Expert Sudoku

No in-app purchases

None

Red Fire

No in-app purchases

Questions

Is Expert Sudoku free?
Expert Sudoku costs $2.99, with no in-app purchases.
Is Red Fire free?
Red Fire costs $5.99, with no in-app purchases.
Which has better reviews, Expert Sudoku or Red Fire?
Red Fire is rated higher. Expert Sudoku averages 4.3 out of 5 from 79 ratings, while Red Fire averages 4.8 from 93 ratings.
Do Expert Sudoku or Red Fire have ads?
Neither Expert Sudoku nor Red Fire shows ads.
Which is updated more often, Expert Sudoku or Red Fire?
Expert Sudoku ships an update every 5 months, and Red Fire every 6 weeks. Most recently, Expert Sudoku was updated on October 31, 2026 and Red Fire on October 30, 2026.

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