Comparison

Block Chess 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

Block Chess

Features
Read full description

Block Chess is a chess-like board game. It has a 8x8 board and each side has five different types of four-block pieces. The player is to place one piece on the board without side-by-side connecting his own pieces. The player who places the final piece wins the game!

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

Block Chess4 screens
Chess Prep Pro Openings4 screens

Verdict

The call

The clearest difference is price: Chess Prep Pro Openings at Free against Block Chess's $0.99. Chess Prep Pro Openings also leads on update cadence (fortnightly vs every 15 months). Block Chess's advantage is in-app purchases (none vs 3) and ads (none vs shown). On 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

Chess Prep Pro Openings is free to download; Block Chess costs $0.99 up front. Chess Prep Pro Openings sells 3 in-app purchases, starting at $3.99 per month. Block Chess asks for nothing beyond the download.

UpkeepUpdate frequency

Block Chess ships an update every 15 months, Chess Prep Pro Openings fortnightly. Both last shipped on October 19, 2026.

Scorecard4 real differences · 6 level
Block Chess versus Chess Prep Pro Openings: the parameters behind the verdict, then further details
ParameterBlock ChessChess Prep Pro Openings
Price$0.99Free — better
Rating—4.5 (22 ratings) — better
Positive reviews—75.0% of reviews
Number of ratings—22 — better
Update frequencyEvery 15 monthsFortnightly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size32 MB214 MB
Age rating4+4+
DeveloperZHONGYUAN SHENTomasz Bogun

In-app purchases

None

Block Chess

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 Block Chess free?
Block Chess costs $0.99, with no in-app purchases.
Is Chess Prep Pro Openings free?
Chess Prep Pro Openings is free to download, with in-app purchases available.
Do Block Chess or Chess Prep Pro Openings have ads?
Chess Prep Pro Openings shows ads; Block Chess does not.
Which is updated more often, Block Chess or Chess Prep Pro Openings?
Block Chess ships an update every 15 months, and Chess Prep Pro Openings fortnightly. Most recently, Block Chess was updated on October 19, 2026 and Chess Prep Pro Openings on October 19, 2026.

Other comparisons