Comparison

Chess Tablebase for Stockfish vs Chess Prep Pro Openings

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

Head to head
About

Chess Tablebase for Stockfish

Manage chess endgame tablebase files for enhanced analysis. Seamlessly import files into a Stockfish chess app to instantly determine win or draw outcomes for specific positions. Includes pre-installed 5-men tablebase files and instructions for importing your own.

Highlights
  • Manage chess endgame tablebase files
  • Import files into SmallFish app
  • Query endgame positions for win/draw
  • Includes pre-installed 5-men tablebases
  • Instructions for importing custom files
  • Enhances Stockfish engine performance
Features
Read full description

Chess Tablebase for Stockfish is a file management app for managing chess endgame tablebases. Seamlessly integrating with the SmallFish iOS chess app for Stockfish, it enables you to import your tablebase files into the SmallFish app, which operates on the latest Stockfish AI. Additionally, you can query specific endgame positions to determine if they result in a win or a draw. This app provides the answers you need. Download this app to import the pre-installed 5-men tablebase files, you may also import your own tablebase files. The app has the instructions that you can follow. --------------------- TABLEBASE BUNDLE --------------------- This app bundles all 5-men chess tablebase piece configurations. You may also want to download 6-men tablebase files . ----------------- REQUIREMENTS ----------------- This app is a 1GB download. You will need the following if you want to run tablebase with Stockfish on your iOS device: - 1GB disk space for this app - The SmallFish chess app - running the Stockfish engine - Another 1GB disk space to process the tablebase files -------------- DESCRIPTION -------------- Chess endgame tablebase is a vast database containing pre-calculated, exhaustive analyses of chess endgame positions. It can instantly determine whether your position is a win, loss, or draw without the need for lengthy analysis. This app is ideal for enhancing your Stockfish engine's analytical performance. The tablebase included with this app can provide an approximate 50 ELO improvement to the Stockfish engine, making it highly recommended for all serious chess players.

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 !

Screenshots

Chess Tablebase for Stockfish4 screens
Chess Prep Pro Openings4 screens

Verdict

The call

The clearest difference is in-app purchases: Chess Tablebase for Stockfish at none against Chess Prep Pro Openings's 3. Chess Tablebase for Stockfish also leads on ads (none vs shown) and rating (4.8 vs 4.5). On price, ratings volume, update cadence 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

Both are free to download. Chess Prep Pro Openings sells 3 in-app purchases, starting at $3.99 per month. Chess Tablebase for Stockfish asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Chess Tablebase for Stockfish holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 21 and 22 respectively. Written reviews point the same way: 83% of Chess Tablebase for Stockfish's written reviews are positive against 75% of Chess Prep Pro Openings's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 11, 2026 and November 7, 2026 respectively.

Scorecard5 real differences · 5 level
Chess Tablebase for Stockfish versus Chess Prep Pro Openings: the parameters behind the verdict, then further details
ParameterChess Tablebase for StockfishChess Prep Pro Openings
PriceFreeFree
Rating4.8 (21 ratings) — better4.5 (22 ratings)
Positive reviews83.3% of reviews — better75.0% of reviews
Number of ratings2122 — better
Update frequencyFortnightlyFortnightly
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size944 MB214 MB
Age rating4+4+
DeveloperTed WongTomasz Bogun

Customer experience

Chess Tablebase for Stockfish

All ratings21 ratings
Positive95.2%
Neutral0.0%
Negative4.8%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

Chess Prep Pro Openings

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

In-app purchases

None

Chess Tablebase for Stockfish

No 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

Questions

Is Chess Tablebase for Stockfish free?
Chess Tablebase for Stockfish is free to download, with no in-app purchases.
Is Chess Prep Pro Openings free?
Chess Prep Pro Openings is free to download, with in-app purchases available.
Which has better reviews, Chess Tablebase for Stockfish or Chess Prep Pro Openings?
Chess Tablebase for Stockfish is rated higher. Chess Tablebase for Stockfish averages 4.8 out of 5 from 21 ratings, while Chess Prep Pro Openings averages 4.5 from 22 ratings.
Do Chess Tablebase for Stockfish or Chess Prep Pro Openings have ads?
Chess Prep Pro Openings shows ads; Chess Tablebase for Stockfish does not.
Which is updated more often, Chess Tablebase for Stockfish or Chess Prep Pro Openings?
Chess Tablebase for Stockfish ships an update fortnightly, and Chess Prep Pro Openings fortnightly. Most recently, Chess Tablebase for Stockfish was updated on November 11, 2026 and Chess Prep Pro Openings on November 7, 2026.

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