Comparison

Chess Prep Pro Openings vs Endgame AI

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

Endgame AI

An innovative online platform for chess players of all levels. Offers diverse game modes, daily tournaments, and advanced tools for game analysis and improvement. Connect with players globally and sharpen your skills against computer bots.

Highlights
  • Diverse time controls (Bullet, Blitz, Classical)
  • Daily tournaments
  • Global matchmaking
  • Computer bot practice
  • Free game review and analysis
  • Performance and accuracy estimation
  • Board editor and PGN import
Features
Read full description

Endgame: The Future of Chess Step into the next generation of chess. Endgame is an innovative, free online platform designed for players who want more from every move. Whether you are a Grandmaster or just starting your journey, Endgame provides the tools to play, learn, and connect. Play and Compete - Diverse Time Controls: Compete in lightning-fast Bullet, intense Blitz, or thoughtful Classical games. - Daily Tournaments: Join the action every day. Test your skills against the community and play to win. - Global Playzone: Connect and play with chess enthusiasts from around the world at any time. - Computer Bots: Sharpen your skills against a computer bot anytime, anywhere. Master Your Games - Free Game Review: Don't just play, learn. Get a comprehensive review of your games to identify winning moments and missed opportunities. - Performance Estimation: Get a clear picture of how you played with specialized performance metrics. - Accuracy Estimation: See exactly how precise your moves were with advanced post-game accuracy scoring. - Local Engine Analysis: Harness the power of your device for deep computer evaluations of any position. Import Your Chess Games from Any Sources - Board Editor: Set up specific positions to practice tactics or solve complex endgame puzzles. - PGN annotated text format. - Upload your game history from other popular chess platforms. Endgame is more than just an app, it is your path to mastery. Download now and redefine your game.

Screenshots

Chess Prep Pro Openings4 screens
Endgame AI4 screens

Verdict

The call

The clearest difference is in-app purchases: Endgame AI at none against Chess Prep Pro Openings's 3. Endgame AI also leads on ads (none vs shown) and review sentiment (100% vs 75%). Chess Prep Pro Openings's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, rating, ratings volume and update cadence 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. Endgame AI asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Chess Prep Pro Openings against 4.6 for Endgame AI. Both are backed by a comparable volume of ratings — 22 and 31 respectively. Written reviews are what separate them: 75% of Chess Prep Pro Openings's written reviews are positive against 100% of Endgame AI's.

UpkeepUpdate frequency

Chess Prep Pro Openings ships an update fortnightly, Endgame AI every 3 weeks. Both last shipped on October 30, 2026.

Scorecard6 real differences · 4 level
Chess Prep Pro Openings versus Endgame AI: the parameters behind the verdict, then further details
ParameterChess Prep Pro OpeningsEndgame AI
PriceFreeFree
Rating4.5 (22 ratings)4.6 (31 ratings) — better
Positive reviews75.0% of reviews100.0% of reviews — better
Number of ratings2231 — better
Update frequencyFortnightly — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better18.0
Further details — not scored
Size214 MB162 MB
Age rating4+4+
DeveloperTomasz BogunEndgame Chess

Customer experience

Chess Prep Pro Openings

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

Endgame AI

All ratings30 ratings
Positive93.3%
Neutral0.0%
Negative6.7%
Written reviews19 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

Endgame AI

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 Endgame AI free?
Endgame AI is free to download, with no in-app purchases.
Which has better reviews, Chess Prep Pro Openings or Endgame AI?
Endgame AI is rated higher. Chess Prep Pro Openings averages 4.5 out of 5 from 22 ratings, while Endgame AI averages 4.6 from 31 ratings.
Do Chess Prep Pro Openings or Endgame AI have ads?
Chess Prep Pro Openings shows ads; Endgame AI does not.
Which is updated more often, Chess Prep Pro Openings or Endgame AI?
Chess Prep Pro Openings ships an update fortnightly, and Endgame AI every 3 weeks. Most recently, Chess Prep Pro Openings was updated on October 30, 2026 and Endgame AI on October 30, 2026.

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