Knifomatic is the household name in spyderco, but it's far from the only option. We track 12+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
Organize and track your knife collection with detailed specs, photos, and value tracking. Browse a built-in catalog, create tier lists, and export your collection to PDF. Sync across devices with a free account.
Access a comprehensive database of knife steel alloys, featuring over 6500 names and 1000 compositions. Compare alloys easily with visual bar graphs based on mass percentage, molar masses, or atomic counts. Report missing alloys or suggest improvements directly to the developer.
Shop for knives, swords, and other blades anytime, anywhere. Receive exclusive notifications for product releases, promotions, and discounts. Browse by category or search for specific items.
Knifomatic • Knife Collector tops our spyderco apps ranking as of November 2026, with a 4.8-star average from 8 App Store ratings, and it's free to download.
Are there free spyderco apps for iPhone?
Yes — 12 of the top spyderco apps we rank are free to download, including Knifomatic • Knife Collector and Knife Steel Composition Chart.
Does Knifomatic • Knife Collector have ads or in-app purchases?
Knifomatic • Knife Collector has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
How many spyderco apps are on the App Store?
We track 12+ spyderco apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.