Comparison

Backgammon NJ vs Backgammon KG

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

Head to head
About

Backgammon NJ

Engage in classic backgammon against a sophisticated AI, a friend on the same device, or players worldwide. Improve your skills with tutor mode and hints, and customize your game experience.

Highlights
  • Neural network AI opponent
  • Online multiplayer (real-time & turn-based)
  • Local 2-player mode
  • Tutor Mode and Hints
  • Customizable board and checkers
  • Match play up to 25 points
  • Game Center integration
Features
Read full description

● GAME CENTER -- Play online, chat, invite friends, auto-match with random players { Real-time } Play online in real-time { Turn-based } Play online at your own pace ● VERSATILE -- Play offline vs. computer or against another person in 2-player mode ● CUSTOMIZABLE -- More options than any other backgammon app Play & learn backgammon at skill levels ranging from beginner to world-class! Backgammon NJ is a full-featured game which uses an advanced, neural network-based, artificial intelligence. Play against a computer AI, another person in 2-player mode on one device, or online against friends & other players. Using Tutor Mode & Hints, Backgammon NJ can show you how to improve your game! Discriminating players will appreciate how well the AI plays. It uses a neural network trained on millions of positions, a bearoff database, & a match equity table to achieve strong gameplay that will challenge even expert players. REVIEWS "[I] know strong bg play when I see it. This app is the strongest iPhone bg app I've played with by far. It does not cheat period. ...Analyzing these matches with eXtreme Gammon confirms a world class level of play with normal luck factors. If you are losing, get over it. So would 99.9% of the other backgammon players in the world. It is just that good. Learn from it." -Richard Munitz, Giant of Backgammon, #21 world ranking in 2009 "Backgammon NJ plays at an extremely high level with an excellent interface, and I often use it to practice on my iPhone when I am traveling. I recommend it highly to my students and friends." -Phil Simborg, Professional Backgammon Teacher and Player, www.mindgamescenter.com "I've played over 500 games now; I've checked about 5% of these against World Class Desktop programs (GNU, BGBlitz); and I've actually used some of the competition. NJ has the best interface and has more useful functions than any other backgammon apps out there." "For serious backgammon players, Backgammon NJ is the way to go." -Macworld.com, May 2012 IS THIS GAME RIGHT FOR YOU? This game is best for people: • Who recognize the strength of neural network backgammon bots • Who want to improve their game by playing against a world-class level AI • Who will use the in-depth, technical features included in the app to prove that it is honest (https://www.njsoftware.com/note.html) • Who won't expect to win consistently on the higher skill levels FEATURES • Neural network-based AI • 2 game types: Standard Backgammon or Nackgammon • 4 skill levels: Easy, Medium, Hard, Expert • Customizable board design & checker colors • Mersenne Twister algorithm for random number generation • Doubling cube • Single games or match play up to 25 points • Crawford rule for match play • 1-player mode vs. computer • 2-player mode on one device • Game Center: Play real-time or turn-based online matches with friends & other players • Chat with your online opponent • Online Elo & Experience leaderboards • Block list for auto-match • User-friendly, tap-to-move interface • Highlighted checker movement options • Hint & Undo • Learn with Status Meter & Tutor Mode • Game & dice stats, including Elo rating & ER • Match info: GnuBG ID, win chances, equity, top 10 moves, & cube decisions • Email match files • Practice mode with unlimited undo (1-player vs. computer) • Manual match recording mode with unlimited undo & speed mode option • Options to reverse board direction, resign, use one-tap moves, auto bearoff, auto finish, use Jacoby rule, & much more • Match analysis (in-app purchase): Analyze past match files, view moves & errors for match, step through match, jump to position, play from position, save match files permanently IMPORTANT • If an online match ends for any reason, you'll receive the Elo pts you deserve. FAQ: https://gamecenter.njsoftware.com • Contact us for help: https://contact.njsoftware.com

About

Backgammon KG

Engage in classic backgammon with a sophisticated AI opponent. Offers multiple difficulty levels, detailed statistics, and a tutor mode to enhance your skills. Unlock new boards as you progress.

Highlights
  • Play against AI or friends
  • Four AI difficulty levels
  • Play statistics and history
  • Tutor mode for move advice
  • Pip counter and equity meter
  • Unlockable boards
Features
Read full description

A backgammon app with quick and smooth in-game play. Features a strong neural network based AI built using deep learning and trained exclusively via self play. Features: - Play against friends in two-player mode or play against the neural networked AI. - Four different levels of computer strength: Beginner, Intermediate, Hard, and Expert. - See statistics on your play skill, error rate, and your game / match history against the AI. - Tutor mode helps you improve your backgammon game. Receive advice on your moves and see the AI's evaluations of all possible moves. - Pip counter and equity meter. - Beat the computer to unlock different boards. - Many other configurable settings...

Screenshots

Backgammon NJ4 screens
Backgammon KG2 screens

Verdict

The call

The clearest difference is price: Backgammon KG at Free against Backgammon NJ's $4.99. Backgammon KG also leads on in-app purchases (none vs 3) and iOS requirement (11.0 vs 15.4). Backgammon NJ's advantage is rating (4.4 vs 2.9) and update cadence (every 9 days vs every 9 months). On ads 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

Backgammon KG is free to download; Backgammon NJ costs $4.99 up front. Backgammon NJ sells 3 one-off in-app purchases. Backgammon KG asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Backgammon NJ holds the better App Store score, 4.4 against 2.9. That said, the two scores are not equally well evidenced: Backgammon NJ has 1.5K ratings behind it against 46, so its average is the more settled of the two. Written reviews point the same way: 51% of Backgammon NJ's written reviews are positive against 33% of Backgammon KG's.

UpkeepUpdate frequency

Backgammon NJ ships an update every 9 days, Backgammon KG every 9 months. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

Scorecard9 real differences · 2 level
Backgammon NJ versus Backgammon KG: the parameters behind the verdict, then further details
ParameterBackgammon NJBackgammon KG
Price$4.99Free — better
Rating4.4 (1.5K ratings) — better2.9 (46 ratings)
Positive reviews51.1% of reviews — better33.3% of reviews
Number of ratings1.5K — better46
Update frequencyEvery 9 days — betterEvery 9 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#44 — better—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.411.0 — better
Further details — not scored
Size20 MB15 MB
Age rating4+4+
DeveloperJimmy HuKeith Gould

Customer experience

Backgammon NJ

All ratings1,498 ratings
Positive84.1%
Neutral6.0%
Negative9.9%
Written reviews405 reviews
Positive51.1%
Neutral11.1%
Negative37.8%

Backgammon KG

All ratings46 ratings
Positive39.1%
Neutral10.9%
Negative50.0%
Written reviews48 reviews
Positive33.3%
Neutral14.6%
Negative52.1%

Bugs and requests

Backgammon NJ

Reported bugs

3 issues
  • Forced moves not always the best option
  • Inconsistent behavior in auto-bear-off mode
  • Online games prone to disconnections and timeouts

Requested features

4 requests
  • Manual dice roll option to verify randomness
  • Ability to set custom difficulty levels
  • Online multiplayer with chat functionality
  • Improved tutorial and learning resources

Backgammon KG

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Backgammon NJ

One-time3
  • Analysis Package$2.99
  • Online VIP$2.99
  • Power User$4.99
None

Backgammon KG

No in-app purchases

Questions

Is Backgammon NJ free?
Backgammon NJ costs $4.99, and also offers in-app purchases.
Is Backgammon KG free?
Backgammon KG is free to download, with no in-app purchases.
Which has better reviews, Backgammon NJ or Backgammon KG?
Backgammon NJ is rated higher. Backgammon NJ averages 4.4 out of 5 from 1.5K ratings, while Backgammon KG averages 2.9 from 46 ratings.
Do Backgammon NJ or Backgammon KG have ads?
Neither Backgammon NJ nor Backgammon KG shows ads.
Which is updated more often, Backgammon NJ or Backgammon KG?
Backgammon NJ ships an update every 9 days, and Backgammon KG every 9 months. Most recently, Backgammon NJ was updated on October 13, 2026 and Backgammon KG on October 9, 2026.

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