Comparison

Chess Prep Pro Openings vs Stockfish Chess Analysis

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

Stockfish Chess Analysis

Analyze chess positions from a photo or by inputting moves. Get AI-powered best move suggestions, learn tactics, and play against the engine with live tips. Ideal for players of all levels looking to improve their game.

Highlights
  • Scan chessboards from photos
  • AI-powered best move suggestions
  • Learn new chess tactics
  • Play against Stockfish engine
  • Live help and tips during play
  • Multiple difficulty levels
Features
Read full description

Chess Engine Analyzer is an easy app to help you get better at chess using the powerful Stockfish engine. What You Can Do Scan Any Board: Take a picture of a 2D chessboard and the app shows the exact position for analysis. Get Best Moves: See the smartest moves and learn new tactics. Challenge Stockfish: Play against the computer with live help and tips. Top Features Fast camera scanning Real-time move suggestions Play chess at different difficulty levels Simple, modern design Needs internet for scanning and analysis Who Is It For? Chess beginners and students Tournament players Coaches and teachers Anyone who wants to get better at chess Download Chess Engine Analyzer and make your chess learning simple! Terms of Use: https://rigorous-flamingo-539.notion.site/Chess-Engine-Analyzer-ToS-21d80b4a5c4d801ead9afbef0149c0ba Privacy Policy: https://rigorous-flamingo-539.notion.site/Chess-Engine-Analyzer-Privacy-Policy-21c80b4a5c4d801381acd6bc0f3f49bc

Screenshots

Chess Prep Pro Openings4 screens
Stockfish Chess Analysis4 screens

Verdict

The call

Chess Prep Pro Openings and Stockfish Chess Analysis both sit at 4.5 stars, but that hides the real split: 75% of Chess Prep Pro Openings's written reviews are positive against 14% of Stockfish Chess Analysis's. Stockfish Chess Analysis's advantage is ads (none vs shown) and ratings volume (82 vs 22). On price, rating, update cadence 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

Both are free to download. Chess Prep Pro Openings sells 3 in-app purchases, starting at $3.99 per month and Stockfish Chess Analysis sells 3 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.

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 4.4 for Stockfish Chess Analysis. Both are backed by a comparable volume of ratings — 22 and 82 respectively. Written reviews are what separate them: 75% of Chess Prep Pro Openings's written reviews are positive against 14% of Stockfish Chess Analysis's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

Scorecard3 real differences · 7 level
Chess Prep Pro Openings versus Stockfish Chess Analysis: the parameters behind the verdict, then further details
ParameterChess Prep Pro OpeningsStockfish Chess Analysis
PriceFreeFree
Rating4.5 (22 ratings) — better4.4 (82 ratings)
Positive reviews75.0% of reviews — better14.3% of reviews
Number of ratings2282 — better
Update frequencyFortnightlyFortnightly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size214 MB30 MB
Age rating4+4+
DeveloperTomasz BogunKrishna Sangeeth KS

Customer experience

Chess Prep Pro Openings

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

Stockfish Chess Analysis

All ratings77 ratings
Positive85.7%
Neutral1.3%
Negative13.0%
Written reviews7 reviews
Positive14.3%
Neutral0.0%
Negative85.7%

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
3 purchases

Stockfish Chess Analysis

Subscriptions3
  • Weekly Subscription$8.997 Days
  • Monthly Subscription$17.991 Month
  • Yearly Subscription$69.991 Year

Questions

Is Chess Prep Pro Openings free?
Chess Prep Pro Openings is free to download, with in-app purchases available.
Is Stockfish Chess Analysis free?
Stockfish Chess Analysis is free to download, with in-app purchases available.
Which has better reviews, Chess Prep Pro Openings or Stockfish Chess Analysis?
Chess Prep Pro Openings is rated higher. Chess Prep Pro Openings averages 4.5 out of 5 from 22 ratings, while Stockfish Chess Analysis averages 4.4 from 82 ratings.
Do Chess Prep Pro Openings or Stockfish Chess Analysis have ads?
Chess Prep Pro Openings shows ads; Stockfish Chess Analysis does not.
Which is updated more often, Chess Prep Pro Openings or Stockfish Chess Analysis?
Chess Prep Pro Openings ships an update fortnightly, and Stockfish Chess Analysis fortnightly. Most recently, Chess Prep Pro Openings was updated on November 7, 2026 and Stockfish Chess Analysis on November 8, 2026.

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