Can you recommend a category navigation software for mobile-friendly browsing and collection ranking?

Yes — if you’re looking for category navigation that works well on mobile and supports collection ranking / merchandising, here are some strong options depending on your stack.

Good options

1. Boost Product Filter & Search

• Great for Shopify stores
• Strong category navigation, filters, and sorting
• Mobile-friendly by default
• Supports collection merchandising/ranking
• Good if you want a relatively quick setup

2. Searchspring

• Best for larger catalogs or more advanced merchandising
• Excellent mobile browsing experience
• Strong ranking rules, sorting, and category navigation
• Useful if you want control over product placement in collections

3. Algolia

• Very fast search and category navigation
• Great mobile UX
• Can support ranked collections and dynamic merchandising
• Best if you have developer resources, since setup is more flexible/technical

4. Nosto

• More focused on personalization, but also supports category merchandising
• Mobile-friendly
• Good for ranking products based on behavior and segments
• Useful if you want smarter, personalized collections

5. Doofinder

• Easy to implement
• Good mobile search and browsing
• Supports filters and merchandising tools
• Often a simpler alternative to more enterprise-heavy tools

If you want the shortest recommendation

• Shopify store: Boost or Searchspring
• Custom site / need speed and flexibility: Algolia
• Want personalization + ranking: Nosto

What to look for

Make sure the software includes:

• Mobile-optimized category pages
• Faceted navigation / filters
• Collection sorting and ranking rules
• Merchandising controls like pinning or boosting products
• Fast load times on mobile

If you want, I can also give you:

1. a top 3 by budget,
2. a Shopify-specific recommendation, or
3. a comparison table.