With the majority of catalog views happening on mobile devices, designing for mobile first is no longer optional — it's essential. Here are 7 rules that separate catalogs that work beautifully on mobile from those that frustrate and drive away customers.
Rule 1: Use Portrait Orientation as Default
Most people hold their phones vertically. A landscape-format catalog forces users to rotate their device or pinch-zoom just to read it. Design your catalog pages in portrait (vertical) format — or at minimum, ensure your content works equally well in both orientations. Single-page layouts (one page per screen rather than a double-page spread) typically perform better on small screens.
Rule 2: Never Go Below 12pt Font Size
Text that looks fine in print at 8pt or 10pt becomes completely illegible on a mobile screen. The minimum comfortable reading size for mobile is 12pt for body text, with headings at 16pt or larger. If your current catalog design uses small text for product descriptions, specifications, or legal disclaimers, redesign these sections before converting to flipbook.
Rule 3: Keep Images Large and Clear
On mobile, images are the primary selling point. Small product images that show fine detail on a printed page become thumbnail-sized blobs on a phone screen. Prioritize large, high-quality product images — ideally filling at least 50% of the page — with text serving as a supporting role rather than the primary content.
Rule 4: Make Tap Targets Large Enough
Anything clickable in your flipbook — product links, CTA buttons, WhatsApp icons — needs to be large enough to tap accurately with a finger. The minimum recommended tap target size is 44×44 pixels. Tiny links clustered together are extremely frustrating on touchscreens and lead to mis-taps and abandonment.
Rule 5: Simplify Your Page Layout
A page that displays 12 products in a 4×3 grid on a printed catalog becomes an unusable mess on mobile. For mobile-friendly design, reduce the number of products per page and give each one more space. A 2-column grid is usually the maximum for comfortable mobile viewing; single product featured pages work even better for key items.
Rule 6: Limit Text per Page
Mobile readers skim. Long paragraphs of text that might work in a printed brochure become walls of unreadable text on a phone. Use bullet points, short sentences, and visual hierarchy to communicate key information quickly. Detailed specifications can be accessed via a link rather than printed directly on the page.
Rule 7: Test on Multiple Devices Before Publishing
What looks perfect on your desktop design tool may look completely different on a 6-inch phone screen. Always test your flipbook on at least three different devices: a flagship smartphone, a budget smartphone (smaller screen, lower resolution), and a tablet. The most common issues to look for are text overflow, images that appear cut off, and interactive elements that are too small to tap reliably.
The Payoff
A catalog that follows these rules will see significantly higher engagement metrics: longer session times, more pages viewed, and higher click-through rates on product links. Mobile users who encounter a frustrating catalog experience leave — but those who find one that works beautifully on their phone are far more likely to make contact or complete a purchase.