Chess Prep Pro Openings vs Opening Prep
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- 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
Read full descriptionHide 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 !
Opening Prep
Read full descriptionHide full description
Opening Prep: Chess Trainer is a chess opening trainer for studying and memorizing chess openings from your own PGN repertoire. Import PGN files or paste PGN text, organize your opening repertoire, and train chess lines move by move directly on the board. Opening Prep: Chess Trainer is built for focused opening preparation, repertoire study, and fast memorization of opening variations. Train as White, Black, or both sides, review repertoire trees, continue previous training sessions, and improve difficult positions with targeted repetition. Perfect for tournament preparation, online chess, and daily opening practice. Features • Import chess repertoires from PGN files • Paste PGN text directly into the app • Train chess openings as White, Black, or both • Practice opening lines move by move • Continue previous training sessions anytime • Continue training for a specific repertoire • Study repertoire trees and branching variations • Preview repertoire lines before training • Autoplay repertoire variations on the board • Tap moves in notation to jump to any position • Track mistakes, accuracy, and training streaks • Train difficult positions and weak opening lines • Quick actions for new sessions and hardest positions • Optional move sounds and haptic feedback • Works fully offline with local storage • No account required Opening Prep: Chess Trainer is a lightweight PGN repertoire trainer designed for serious chess opening preparation without unnecessary complexity.
Screenshots
Verdict
The clearest difference is in-app purchases: Opening Prep at none against Chess Prep Pro Openings's 3. Opening Prep also leads on ads (none vs shown) and update cadence (every 4 days vs fortnightly). On price, 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
Both are free to download. Chess Prep Pro Openings sells 3 in-app purchases, starting at $3.99 per month. Opening Prep asks for nothing beyond the download.
Chess Prep Pro Openings ships an update fortnightly, Opening Prep every 4 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.
| Parameter | Chess Prep Pro Openings | Opening Prep |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (22 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 22 — better | — |
| Update frequency | Fortnightly | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 214 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomasz Bogun | Roman Bogatenko |
In-app purchases
Chess Prep Pro Openings
- Monthly premium subscription$3.991 Month
- Yearly premium$24.991 Year
- Lifetime Premium$59.99
Opening Prep
No in-app purchases
Questions
Is Chess Prep Pro Openings free?
Is Opening Prep free?
Do Chess Prep Pro Openings or Opening Prep have ads?
Which is updated more often, Chess Prep Pro Openings or Opening Prep?
Other comparisons















