Pocket Shark Field Guide

Pocket Shark Field Guide is an offline shark reference app centered on the American pocket shark and a compact catalog of notable species. It combines guide, compare, quiz, and Shark Sprint features, with Messages stickers and keyboard access kept as optional extras.

Inside the app:
- Featured pocket shark spotlight with discovery timeline
- Searchable shark species guide with favorites
- Side-by-side compare mode
- Shark Sprint mini game with local best score tracking
- Quick quiz for short review sessions
- Included Messages stickers and an optional Pocket Shark Keyboard extension
- Optional Game Center leaderboard and achievement support for sprint runs
- No accounts, no ads, no analytics SDKs
- One-time paid app with no subscriptions or in-app purchases

Messages stickers are included with the main app and appear in the Messages app drawer. The keyboard can be enabled from iPhone Keyboard settings and does not replace native system emoji. Game Center sign-in is optional.