Chess Knowledge vs MainLine
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chess Knowledge
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It's time to learn interactive chess courses with activity-based solving! Our courses have hundreds of activities from various learning levels. The different types of interactive activities help you digest the information easily. 1) Explanation Activity: This will teach you a concept in a concise way. 2) Capture Activity: The most fun and engaging way to learn piece movements and captures. 3) Puzzle Activity: Solve interesting puzzles and tactics from a given position. 4) MCQ Activity: Test your knowledge with quiz-based multiple-choice questions. 5) Play with Computer: Train your skills by practicing must-know positions with the computer.
MainLine
This app helps improve your chess skills by focusing on pattern recognition. It uses spaced repetition to reinforce tactical motifs and endgame ideas, allowing you to create interactive drills from your own games to remember what matters most.
- Spaced repetition for pattern recall
- Interactive drills from own games
- Import Chess.com & Lichess games
- Tactics, endgame, and puzzle training
- Daily reminders and progress tracking
- Daily puzzle challenges
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MainLine is a chess trainer built for pattern recognition. Use spaced repetition to remember tactical motifs, endgame ideas, and positions from your own games instead of rereading them and forgetting them. Import your Chess.com or Lichess games, find the mistakes and recurring themes that cost you points, and turn them into short interactive drills you can review in minutes. Why players use MainLine: - Spaced repetition that surfaces the patterns you're most likely to forget - Interactive drills that build fast recall on the board - Game import from Chess.com and Lichess for targeted review - Training for tactics, endgames, puzzle themes, and critical lines - Daily reminders, streaks, and progress tracking - Challenge yourself with daily puzzles Whether you're sharpening tactical awareness, improving pattern recognition, or making game review more useful, MainLine helps you remember what matters. Download MainLine and turn review into stronger chess instincts. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Chess Knowledge at none against MainLine's 2. Chess Knowledge also leads on iOS requirement (12.0 vs 15.1). MainLine's advantage is update cadence (weekly vs monthly). On price 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
Both are free to download. MainLine sells 2 in-app purchases, starting at $7.99 per month. Chess Knowledge asks for nothing beyond the download.
Chess Knowledge ships an update monthly, MainLine weekly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.
| Parameter | Chess Knowledge | MainLine |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Monthly | Weekly — better |
| Ads | — | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 86 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Chess Knowledge FZE | Benjamin Boucher |
In-app purchases
Chess Knowledge
No in-app purchases
MainLine
- MainLine Pro (Monthly)7 Days trial$7.991 Month
- MainLine Pro (Yearly)7 Days trial$69.991 Year









