About this app
Indiana Era is a vocabulary app for people who like words about nature, climate, and the living world. Eighteen carefully chosen terms — Solastalgia, Biophilia, Phenology, Permaculture, Symbiosis and others — each with phonetic transcription, etymology, and a memory hook. WHAT YOU GET: Vocab Vault A hand-picked deck of ecology terms. Phonetics, roots, definitions, and a quick mnemonic on every card. Etymology Constellation: An interactive star map. Tap a word and the lines light up to show which other terms share the same Greek, Latin, or Old English root. Language Arena — seven game modes: Gravity Flip (tap to flip gravity and catch falling letters), Word Maze, Flashcard Duel, Sentence Builder, Listening Mode, Grammar Gauntlet, Native Challenge. Rapid Fire quizzes and a weekly Monday Boss round. Daily Ritual: A short morning sequence: review, lesson, writing prompt, listening. Built to turn study into a habit. Fluency Map: Track progress across five regions — Phonetics Hills, Grammar Valley, Vocabulary Plateau, Idiom Peaks, and Fluency Summit. Linguist Journal: Notes, a personal word cloud, and a PDF Progress Report with XP, an approximate CEFR self-assessment, skill bars, achievements, and session history. EXTRA: -Animated mascot and a few hidden surprises -Spaced repetition scheduling -Ten levels, from Atom to Kingdom -Works fully offline. Your progress stays on your device. For curious learners, biology students, climate writers, and anyone who wants a richer vocabulary about the natural world.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 24, 2026 · 11:34 AM Free
Screenshots
