LemonInk and Pageseal both give each buyer a personal copy with visible and hidden marks. LemonInk sells prepaid credits and also handles MOBI; Pageseal works with monthly plans, adds audiobooks in M4B/M4A and checks your EPUB on e-readers before you sell.
Pageseal and LemonInk side by side
| Pageseal | LemonInk | |
|---|---|---|
| Formats | EPUB (reflowable and fixed layout), PDF, audiobook | EPUB, MOBI, PDF, MP3 |
| Visible note | Note page with name and order number | Yes, customisable watermark |
| Hidden identifier | Yes, stays without the note page | Yes (“invisibly”) |
| Find the buyer of a leak | Yes, upload the file in the app | Yes, submit the file to LemonInk |
| Fixed-layout EPUB | Yes, note on a page of its own | not named |
| Device check before selling | Yes, EPUB on Apple Books, Android and Kindle before you sell | not named |
| Encryption DRM | No | Readium LCP, invite-only beta |
| Price model | Free plan, paid from $15 a month plus a fee per copy above the included amount | Prepaid credits, from $0.25 per watermark at volume; 5 free credits |
| Billing | Monthly on the Shopify invoice | Prepaid credits, auto-recharge optional |
Facts about LemonInk from its own pages, retrieved 7 November 2026. “Not named” means the source does not mention it, not that it is missing. Prices in US dollars, without tax.
When is LemonInk the better choice?
- You still sell MOBI files.
- You want Readium LCP encryption (invite-only).
- You sell large volumes and are happy to prepay credit packages.
- You also sell through PrestaShop or Shoper, where LemonInk has plugins.
When does Pageseal fit better?
- You want to see your EPUB on Apple Books, Android and Kindle before the first sale.
- You sell fixed-layout picture books or cookbooks.
- You prefer a monthly plan on your Shopify invoice to prepaying.
- You want to look up a leaked file yourself, right in the app.
How do I switch to Pageseal?
- Install PagesealFrom the Shopify App Store (in final testing, early access by email).
- Upload your booksEPUB, PDF and audiobook files; the EPUB check runs right away.
- Assign productsPick the Shopify product for each book and switch it live.
- Remove the old deliveryUnassign the files in LemonInk so buyers do not get two emails.
Sources
- LemonInk: Shopify listing, retrieved 7 November 2026
- LemonInk: watermarking, retrieved 4 November 2026
- LemonInk: pricing FAQ, retrieved 7 November 2026
- LemonInk: FAQ, retrieved 7 November 2026