Gambito Puzzles vs Chessbook PGN Library
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Gambito Puzzles
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Gambito is a focused chess tactics trainer built for practical improvement. Solve puzzles from an offline database, track your progress with a Glicko-2 rating system, and develop mastery through spaced repetition — no internet connection or account required. Choose from six distinct puzzle modes to match your training goal: - Unlimited: solve at your own pace with no time pressure - Streak: keep a correct-answer streak alive - Storm: race the clock to solve as many as possible - Thematic: focus on specific tactical motifs - Blind: train calculation by hiding the board - No Tactic: practice recognizing when there is no winning combination Your Glicko-2 rating adjusts dynamically to reflect your true tactical strength. Spaced repetition surfaces puzzles at the right time to reinforce long-term retention. Terms of Use (EULA): https://gambitochess.com/terms
Chessbook PGN Library
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Chessbook PGN Library is a private chess notebook for players who want to review their own games without a social feed or cloud account. WHY CHESSBOOK - Paste standard PGN and keep the tag roster, movetext, comments, NAGs, and variations readable. - Browse your personal game library by opponent, result, ECO code, opening name, and move count. - Mark critical positions with a ply number, note, and chess glyph so the lesson is easy to revisit. - Review your opening results by ECO and root move pattern. - Keep a repertoire list for the lines you are studying. - Store everything on device with SwiftData. No account, no ads, no analytics SDK. FREE TIER - Store up to 50 games. - Import PGN, browse the move list, write notes, and mark positions. CHESSBOOK PRO - Unlimited games. - Opening-tree review. - Repertoire tracker. - Position diagrams. - PGN export. - Monthly and yearly auto-renewing subscription options. Chessbook is built for over-the-board and online players who want a calm, private place to remember what actually happened in their games. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is iOS requirement: Gambito Puzzles at 13.0 against Chessbook PGN Library's 18.0. On price, ads, in-app purchases 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. Gambito Puzzles sells 2 in-app purchases, starting at $0.99 per month and Chessbook PGN Library sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Gambito Puzzles | Chessbook PGN Library |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 106 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Dynadel | Mitaanshu Agarwal |
In-app purchases
Gambito Puzzles
- Premium Monthly$0.991 Month
- Premium Annual7 Days trial$4.991 Year
Chessbook PGN Library
- Chessbook Pro Monthly7 Days trial$9.991 Month
- Chessbook Pro Yearly7 Days trial$59.991 Year
Questions
Is Gambito Puzzles free?
Is Chessbook PGN Library free?
Do Gambito Puzzles or Chessbook PGN Library have ads?
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