Comparison

Chess Prep Pro Openings vs 3Chess

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

Head to head
About

Chess Prep Pro Openings

Master chess openings by building custom repertoires and training your memory. Analyze opponent moves, discover blind spots, and utilize an advanced engine for in-depth preparation. Expand your knowledge with downloadable repertoires and import/export PGNs.

Highlights
  • Custom chess opening repertoires
  • Repertoire training and memory sharpening
  • Blind spot finder against player games
  • Chess openings player database
  • Advanced StockFish engine analysis
  • Downloadable and importable repertoires
Features
Read full description

Master chess openings: Build chess opening repertoires & memorise your openings.Chess Prep Pro is the ultimate chess openings app, designed to perfect your openings and elevate your game through custom chess opening repertoire creation and training. How does it work? Chess Prep Pro allows you to create your own custom chess openings repertoires, and prepare for any opponent move. A chess opening repertoire is an opening plan that contains player responses for opponent moves in the opening phase of the game. With a chess opening repertoire, you will not be left scrambling to find the best move during a real game, as you will already remember the best move from studying and practicing your repertoire. Discover Chess Prep Pro's Features: - Custom Chess Opening Repertoires: Build unlimited custom repertoires for any chess opening. Add as many moves and variations as you need to be prepared for every game. - Repertoire Training: Sharpen your memory with chess opening repertoire training. The app challenges your memory with random positions from your opening repertoire, tracking your progress and helping you master every move. - Blind Spot Finder: Stay ahead of your opponents with our blind spot finder feature that analyses your chess openings repertoire against billions of player games, identifying the most likely opponent moves that you did not prepare for. - Chess openings player database: You can use a player openings database that contains billions of moves to find out the most likely opponent move to prepare for. - Advanced Engine: Utilize the latest StockFish engine for in-depth analysis and uncover the best responses to any situation on the board. - Downloadable opening repertoires: Expand your opening knowledge with an ever-growing library of specially created and sourced opening repertoires, curated for your success. - Import / Export: Easily import and export PGNs to and from the app. You can even import liches studies. Master your chess openings now !

About

3Chess

Experience a unique twist on the classic game with this three-player chess variant. Test your logic and strategy in real-time or turn-based matches across multiple platforms. Learn the ropes with interactive guides and play online with friends or anonymously.

Highlights
  • Three-player chess gameplay
  • Real-time and turn-based online matches
  • Cross-platform compatibility
  • Interactive learning guides
  • Offline 'pass and play' mode
  • Anonymous play option
Features
Read full description

Chess is the most popular game of all time, but have you ever wanted to play as three? 3Chess is a revolutionary three-player chess game that defies convention and redefines strategy. Our app seamlessly merges traditional chess rules with fresh possibilities, putting your logic, strategy, and anticipation skills to test like never before. TRIPLE THE STRATEGY, TRIPLE THE FUN: Three players on one board - are you ready for the challenge? ON YOUR TIME, AT YOUR PACE: Play real-time online matches or turn-based at your convenience with notifications when it's your turn. CROSS-PLATFORM COMPATIBILITY: Choose your battle station. Whether on your phone, tablet, or browser, play seamlessly across Mobile, and 3-chess.com. LEARN: With interactive guides, and hands-on demos, we aim to provide both newcomers and seasoned chess enthusiasts with the tools they need to master this unique variant of the age-old game. PRACTICE WITH BOTS: Play offline against two bots of your chosen level to sharpen your skills. Short a player online? Add a bot to fill the gap and play as two. CONNECT, COMPETE, CONQUER: Play online with friends, join public lobbies or indulge in offline 'pass and play'. Create an account or play anonymously. With triple the players and triple the intensity, 3Chess revolutionizes the game of strategy, offering a truly unique chess experience. Are you up for the challenge? Your feedback is invaluable to us. Please share your suggestions and comments. Visit us at https://3-chess.com for more details and updates.

Screenshots

Chess Prep Pro Openings4 screens
3Chess4 screens

Verdict

The call

The clearest difference is review sentiment: Chess Prep Pro Openings at 75% against 3Chess's 25%. Chess Prep Pro Openings also leads on rating (4.5 vs 3.2) and update cadence (fortnightly vs monthly). 3Chess's advantage is in-app purchases (none vs 3). On price, ads, device support and iOS requirement 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. Chess Prep Pro Openings sells 3 in-app purchases, starting at $3.99 per month. 3Chess asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Chess Prep Pro Openings holds the better App Store score, 4.5 against 3.2. Both are backed by a comparable volume of ratings — 22 and 5 respectively. Written reviews point the same way: 75% of Chess Prep Pro Openings's written reviews are positive against 25% of 3Chess's.

UpkeepUpdate frequency

Chess Prep Pro Openings ships an update fortnightly, 3Chess monthly. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

Scorecard6 real differences · 4 level
Chess Prep Pro Openings versus 3Chess: the parameters behind the verdict, then further details
ParameterChess Prep Pro Openings3Chess
PriceFreeFree
Rating4.5 (22 ratings) — better3.2 (5 ratings)
Positive reviews75.0% of reviews — better25.0% of reviews
Number of ratings22 — better5
Update frequencyFortnightly — betterMonthly
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size214 MB54 MB
Age rating4+4+
DeveloperTomasz BogunOliver Blade

Customer experience

Chess Prep Pro Openings

All ratings22 ratings
Positive86.4%
Neutral4.5%
Negative9.1%
Written reviews24 reviews
Positive75.0%
Neutral4.2%
Negative20.8%

3Chess

All ratings5 ratings
Positive40.0%
Neutral40.0%
Negative20.0%
Written reviews4 reviews
Positive25.0%
Neutral50.0%
Negative25.0%

In-app purchases

3 purchases

Chess Prep Pro Openings

Subscriptions2
  • Monthly premium subscription$3.991 Month
  • Yearly premium$24.991 Year
One-time1
  • Lifetime Premium$59.99
None

3Chess

No in-app purchases

Questions

Is Chess Prep Pro Openings free?
Chess Prep Pro Openings is free to download, with in-app purchases available.
Is 3Chess free?
3Chess is free to download, with no in-app purchases.
Which has better reviews, Chess Prep Pro Openings or 3Chess?
Chess Prep Pro Openings is rated higher. Chess Prep Pro Openings averages 4.5 out of 5 from 22 ratings, while 3Chess averages 3.2 from 5 ratings.
Do Chess Prep Pro Openings or 3Chess have ads?
Both Chess Prep Pro Openings and 3Chess show ads.
Which is updated more often, Chess Prep Pro Openings or 3Chess?
Chess Prep Pro Openings ships an update fortnightly, and 3Chess monthly. Most recently, Chess Prep Pro Openings was updated on October 15, 2026 and 3Chess on October 2, 2026.

Other comparisons