Few Australian fishing apps have lasted as long as the Ikijime Tool, and the 2026 update is the biggest rework since it first launched in 2013, with more than 200 species now covered and a rebuilt back-end designed to deliver a sharper x-ray brain overlay than ever before.
The app was originally conceived by fish biologist Dr Ben Diggles to address a problem that the standard Australian field guide simply did not solve: where, exactly, the brain sits on a wide variety of native species. Without that knowledge, ikijime, the Japanese method of immediate brain dispatch credited with massive improvements in flesh quality, is essentially guesswork.
"Ikijime is a method of brain destruction scientifically proven to minimise stress for the fish while also maximising its eating qualities," Dr Diggles explained.
The core feature has not changed in concept. An angler selects a species and the app overlays a translucent skeletal diagram on the external silhouette, marking the precise point at which an ikijime spike should be driven to destroy the brain in a single motion. What has changed is the size of the species library and the speed at which it can be navigated.
The 2026 build pushes species coverage past 200, including both fish and sharks across the major Australian fisheries. Search has been re-optimised against a redesigned database, with the back-end rewritten from scratch to allow further species additions without performance penalties as the library grows.
The practical pitch to anglers remains a double benefit. Done correctly, ikijime kills the fish almost immediately, which is the response welfare advocates have been calling for in Australian recreational rules. It also delivers a meaningfully better fillet, particularly on line-caught fish that would otherwise spend a long, slow stress period dying in an ice slurry.
Pricing for the 2026 release follows a freemium model. Initial download is free across both Google Play and the App Store, but users hit a paywall after ten species searches and are prompted to buy. Importantly, anglers who paid for the previous paid version of the app can upgrade at no cost.
The rebuild was funded by the Ocean Health Foundation, a non-profit that has previously backed Australian fisheries science and angler education work. That kind of grant support is unusual in fish welfare tooling and has effectively allowed the Ikijime Tool to leap a generation rather than tinker at the edges.
For recreational and charter operators, the timing aligns with a broader policy push. Australian fisheries managers and the chef community have spent the past two years arguing for ikijime to become a default rather than a specialist option on the wharf. With more than 200 species now mapped, the 2026 release closes most of the practical excuses an angler might once have had for not doing it correctly.