Part 2 · Competitor landscape
Every player that sells the page-turn itself: open-source engines, commercial components, and hosted platforms. Rendering technology, price, licence, and traction.
“3D book flip” splits into two markets that barely overlap.
Real 3D — WebGL, pages that bend and cast shadows — lives almost entirely in the component market: WordPress and jQuery plugins sold once for $39–$99. Three vendors own it. The category leader has done roughly 18,900 sales on CodeCanyon alone.
The hosted SaaS market that everybody talks about — Issuu, Heyzine, Flipsnack, FlipHTML5 — mostly ships flat CSS page-flip, not WebGL. They compete on hosting, analytics and lead capture. The flip is a checkbox in their feature list.
So: “can I sell the 3D flip?” has two answers. As a component — yes, but three incumbents with a decade of head start already do. As a SaaS — the 3D is not what anyone is buying.
Layer 1
Free libraries you drop into your own app. Sets the price floor at zero.
Revenue: $0
Layer 2
WordPress / jQuery / Shopify plugins. One-time or per-site licence. Where real WebGL 3D lives.
~$39–$199 per licence
Layer 3
Upload a PDF, get a URL. Selling hosting, analytics and leads — not the flip.
$4–$417 / month
| Project | Rendering | Stars | npm / month | State |
|---|---|---|---|---|
StPageFlip (page-flip) |
Canvas + CSS | 822 | 322,804 | De-facto default. Highest real adoption. |
| react-pageflip | Canvas + CSS | — | 248,262 | React wrapper for the above. |
| turn.js | CSS 3D | 7,482 | 2,706 | The famous one. Effectively unmaintained; stars trail reality. |
| flipbook-vue ← your reference repo | CSS 3D transforms | 767 | 7,461 | Clean, maintained, Vue-only. Niche by framework choice. |
| pdf-flipbook | Canvas | 450 | — | PDF-specific viewer. |
| flipbook-viewer | Canvas | 200 | — | Small, dependency-light. |
| android-PageFlip | OpenGL ES | 1,750 | — | Native Android. Genuine 3D curl, wrong platform for web. |
| FlipViewPager.Draco | Android view | 1,815 | — | Native Android, list-oriented. |
Note the star-vs-usage inversion: turn.js has 9× the stars of StPageFlip and 1/120th the downloads. Stars measure history; npm measures now.
Read: not one popular web open-source engine does true WebGL page-bending. They fake depth with CSS transforms or canvas warping. That is the actual technical gap between Layer 1 and Layer 2.
| Product | Rendering | Price | Model | Traction |
|---|---|---|---|---|
| Real 3D FlipBook creativeinteractivemedia |
WebGL + CSS flip, swipe, scroll modes |
$59 WordPress $99 Pro lifetime |
One-time, CodeCanyon + direct | ~18,900 sales WordPress, Shopify, Wix, JS |
| DearFlip DearHive |
WebGL + PDF.js rendering |
WP: free / $39 / $59 yr JS: $49–199 yr $149–499 lifetime |
Freemium + subscription, per-site | 100,000+ users claimed WordPress, Joomla, JS, Chrome ext. |
| 3D FlipBook iberezansky |
WebGL / Three.js | $39 | One-time, CodeCanyon | ~1,200 sales · 263 stars updated Mar 2026 |
Rough revenue read. Real3D's WordPress listing alone: ~18,900 × $59 ≈ $1.1M gross lifetime on one SKU, before Envato's cut (now 50%), before its JS / Shopify / Wix SKUs and eight paid add-ons. DearFlip runs a parallel per-site subscription business off Freemius. This is a real, small, profitable niche — a two-person business, not a venture case.
Both leaders have already extended into the platforms an entrant would target: WordPress, Shopify, Wix, Joomla, Elementor, WooCommerce. Real3D also sells a bookshelf, page editor, PDF tools and preview-mode as separate add-ons — the classic mature-niche monetisation pattern.
| Platform | Free plan | Entry paid | Top tier | Analytics | Lead capture | 3D flip? |
|---|---|---|---|---|---|---|
| Issuu Bending Spoons |
5 pubs, watermark | $19/mo | $417/mo Teams | Starter+ (30-day) | Unlimited tier only | not stated |
| FlippingBook | None — 14-day trial | $20/mo per user | $93/mo per user | All paid | All paid | not stated |
| Flipsnack | 3 pubs, watermark | $30/mo | $85/mo Business | Professional+ | Professional+ | not stated |
| FlipHTML5 | 3 pubs, 15 pages | $12/mo | $25/mo Platinum | Platinum only | No | not stated |
| Heyzine | 5 flipbooks, 1 GB | $4/mo | $29/mo Premium | Professional+ | Professional+ | not stated |
| ZenFlip | 5 pubs, no watermark | $15/mo | $39/mo Business | All tiers | Creator+ | not stated |
| Publuu | Yes | ~$7–14/mo | — | Paid | Paid | not stated |
| FlowPaper | Yes | — | — | Paid | Paid | not stated |
| Publitas | No | Enterprise quote | — | Full | Shoppable catalogs | not stated |
Honest limit: “not stated” means I did not verify the rendering engine per platform. None of these vendors market WebGL page-bending the way the Layer-2 plugins do — their marketing sells hosting, analytics, branding and lead capture. Treat the 3D column as unconfirmed rather than as a confirmed “no”.
Source bias flag: the pricing table above traces to a comparison page published by ZenFlip, itself a competitor in the table. Prices were stated as verified May 2026, but a competitor-authored comparison always favours its author. Verify any number you'd act on directly against the vendor's page.
The incumbents did not stop at their own websites. Every obvious route to a new customer already has a competitor's app sitting in it.
| Channel | Who is already there | Note |
|---|---|---|
| Canva app marketplace | Heyzine, FlippingBook, Flipsnack | Canva has no native page-flip — it exports a static PDF. That gap is the single biggest funnel in the category, and three competitors have already built apps into it. |
| Shopify App Store | “PDF Catalog + PDF FlipBook”, Real3D FlipBook | Merchant-facing catalogs, the highest-intent commercial use case. |
| WordPress plugin directory | DearFlip (free Lite tier), Real3D FlipBook | DearFlip's free tier is a customer-acquisition wedge — it ships the 3D viewer at $0 and charges for links and analytics. |
| Wix / Joomla / Elementor | Real3D FlipBook, DearFlip | Both leaders shipped platform-specific builds rather than one generic script. |
| CodeCanyon / Envato | Real3D FlipBook, 3D FlipBook | Marketplace ranking compounds with sales count — a decade of reviews is not catchable quickly. |
Read: a new entrant's realistic first channel is Canva or Shopify, and in both cases it arrives second against an incumbent with reviews, ranking and install base already in place.
In 2025 FlipHTML5 launched a free AI catalog maker that builds a product catalog from a topic or a file, with page editing and analytics. ZenFlip ships AI chat on its free tier.
The competitive response to price pressure in this category is not differentiation — it is giving more away. Any plan that plans to charge for “PDF in, flipbook out, plus AI” is pricing against a moving floor that is heading toward zero.
| What you'd sell | Price anchor set by | Anchor |
|---|---|---|
| A JS page-flip component | StPageFlip / flipbook-vue | $0 |
| A WebGL 3D component | 3D FlipBook (iberezansky) | $39 once |
| A WordPress 3D plugin | Real 3D FlipBook | $59 once |
| A hosted flipbook, no analytics | Heyzine Standard | $4/mo |
| A hosted flipbook with analytics | FlipHTML5 Pro / Heyzine Pro | $12–14/mo |
| Enterprise publishing | Issuu Unlimited | $188/mo |
Every rung is occupied and defended. Issuu's Essential tier rose from $5/mo in 2019 to $19/mo in 2026 — a 280% climb — which is the single crack in the wall, and it opens at the enterprise end, not the component end.
Canva outputs a static PDF and has no page-flip of its own — the largest single funnel into this category. Heyzine, FlippingBook and Flipsnack all already have marketplace apps there, so this is a fight rather than a gap. Listed because the funnel size makes second place there worth more than first place somewhere small.
Every true-3D product is jQuery-era: Real3D, DearFlip and 3D FlipBook all ship jQuery plugins. Meanwhile React owns developer demand 33:1 over Vue on npm, and no React/Svelte-native WebGL flipbook exists. Real gap — but the buyers are developers, who are the worst-paying customers in software.
ZenFlip claims to be the only platform shipping WCAG 2.2 AA on every plan; FlipHTML5 and Heyzine are explicitly listed as non-compliant. Government, university and public-sector buyers are legally required to comply and have budget. Narrow, unglamorous, defensible.
Real3D sells RTL as a feature page; nobody builds for Arabic, Hebrew or Farsi publishing. Arabic magazines, school books and government gazettes flip the other way — and every incumbent treats that as a toggle rather than a product.
Publitas owns hotspot-to-cart catalogs at enterprise quotes. Real3D has a WooCommerce add-on. Between them is a gap: a small Shopify merchant who wants a flippable, shoppable lookbook for $20/month has no obvious product.
Selling the 3D flip itself is the weakest position on the board. Free at the bottom, three entrenched vendors in the middle with a decade of add-ons and marketplace ranking, and platforms above who treat it as a checkbox.
If you build anyway, build Layer 2, not Layer 3. The component market is small but demonstrably profitable, has one-time pricing instead of churn, and has a genuine technical opening: a framework-native WebGL engine in a market where every incumbent is still on jQuery.
The strongest single wedge across both reports remains the one in Part 1 — Issuu's price escalation — and it lives at Layer 3, where the 3D rendering is irrelevant to the sale.