Premium store
Books and packages for archive study.
What Pro includes
Every Pro package unlocks these platform benefits. Term and price differ by SKU.
| Feature | Free | Pro |
|---|---|---|
| Non-exclusive premium archive | Free Free and preview-allowed games only; locked books stay gated. | Pro Unlock all non-exclusive premium books (games and assets). |
| Comment translation | Free Original comments only. Locale chrome shows Premium access only and a Store link. | Pro VI, EN, and ZH comments on games you can open, including on-demand AI fill. |
| Rehearse (under development) | Free Coach stays open. Rehearse shows Premium feature and a Store link. | Pro Memorize recorded lines with Coach: side presets, delay, report, and story. |
| CloudDrive quota | Free 50 MiB base. Extra GiB from storage add-on SKUs. | Pro 200 MiB on Pro, or 1 GiB on Lifetime, before storage add-ons. |
| My Games cap | Free Platform cap (default 50). | Pro Unlimited My Games saves, or the cap set on the package you buy. |
| Custom share river text | Free Locked to “vietcotuong.com”. | Pro Custom share-player river text, up to 24 characters. |
| Sell on Marketplace | Free You can buy listings, but you cannot open seller publish. | Pro Publish and sell collections from My Libraries on Marketplace. |
| Board scan | Free 10 scans per day. | Pro 1,000 board scans per day (photo to FEN). |