Pick Chessbook if
- You want coverage estimates and statistics at your rating to help decide which lines to add.
- You prefer installing an app from the iOS or Android app store.
Both tools let you build a personal opening repertoire, practise it with spaced repetition and review your online games. Chessbook adds tools for deciding what to study and learning from model games. OnlyMove offers position-level FSRS training with no move cap or subscription. The choice depends on the help you want with your preparation as well as the price.
No subscription, no credit card.Last updated
A tick marks the product that wins the row. Rows where neither one does are left unmarked, which is why some of them are.
| Feature | Chessbook | OnlyMove |
|---|---|---|
| Website pricing and free allowance | Starter: up to 200 moves free. Pro: $7/month, billed annually | Advantage OnlyMove: Opening Trainer: $0, with no move cap or subscription |
| Unlimited repertoire capacity | Unlimited on Pro | Unlimited in the free Opening Trainer |
| Spaced repetition | Built-in review scheduling | FSRS, applied per position |
| Building the repertoire | Create a custom repertoire and combine openings from multiple sources | Build in the explorer, import PGN, or create a starter repertoire from your recent games |
| Reviewing your online games | Feedback on repertoire deviations in Lichess and Chess.com games | Reviews both platforms; correct moves and repertoire mistakes feed FSRS automatically |
| Choosing what to add | Advantage Chessbook: Coverage estimates, rating-based statistics, master games and engine evaluations | Find gaps through your own games and get suggested fixes using master games and engine evaluations |
| Mobile access | Advantage Chessbook: iOS and Android store apps | Installable web app for your phone’s home screen |
Chessbook feature information checked on .
Keep a compact repertoire or add more branches as you encounter them. OnlyMove’s Opening Trainer currently includes training, game import, repertoire review and PGN export for $0, with no move limit.
See what is includedFSRS schedules reviews per position, and autoplay carries you through mastered moves toward the material you need to practise. Transpositions share training state. Your workload depends on how much you add and what is due for review.
See how opening training worksLink Lichess or Chess.com and your synced games become review signals. Correct repertoire moves reinforce their cards; a repertoire mistake sends its position back to Learning. You can also review uncovered positions and add new preparation.
See how games feed spaced repetitionImport PGN lines, build in the explorer, or create a starter repertoire from your recent games. Export your OnlyMove repertoire as PGN whenever you need a copy.
Read the PGN import guideChoose based on how you prepare: Chessbook’s study tools may justify Pro, and its free allowance can suit a compact repertoire. OnlyMove is a good fit if you want free, uncapped opening practice with a review schedule informed by your games.
The Opening Trainer is currently free with no subscription or credit card required. There is no cap on the moves or variations you can add, and game import, review and PGN export are included.
Chessbook’s website lists a free Starter plan with up to 200 moves and Pro with unlimited moves at $7 per month, billed annually. The pricing comparison here uses that website offer. Whether the free allowance is enough depends on the breadth and depth of the lines you want to prepare.
If you have your lines as a PGN file or text, you can import them into OnlyMove. It builds the repertoire tree and detects transpositions. PGN transfers the lines; it does not transfer your Chessbook review schedule.
Yes. OnlyMove works in your phone’s browser and can be installed on your home screen as a web app. Chessbook offers iOS and Android store apps. Try the training interface on the device you use most.
Yes. Link Lichess or Chess.com to review your synced games against your repertoire. Correct repertoire moves and repertoire mistakes update FSRS automatically. You can also review gaps and save new lines for training. Chessbook also provides repertoire-deviation feedback for both platforms.
OnlyMove is an independent product and is not affiliated with, endorsed by, or sponsored by Chessbook. Chessbook and its trademarks are the property of their respective owner. This comparison is written and maintained by the OnlyMove team from publicly available information.
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Not a trial or limited free plan – the Opening Trainer costs $0. No subscription or credit card
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