Hiawatha Studios

An independent studio building better tools for language learning.

Approach Built in-house from concept to release
Platform iPhone and iPad
Apps verbShark and Declinatio
Explore

Purpose-built for language learners.

Hiawatha Studios, LLC designs and develops focused mobile apps that help people study, practice, and build lasting language skills.

French
Français
Spanish
Español
German
Deutsch
Italian
Italiano
Portuguese
Português
Latin
Lingua Latina
Russian
Русский

A focused app for conjugation practice.

verbShark is an iPhone and iPad app for practicing verb conjugations in Spanish, French, German, Italian, Portuguese, Russian, and Latin.

The app combines guided tense lessons, quick drills, cloze sentence practice, smart progression, and mastery tracking across more than 3,000 verbs.

The goal is to keep each session focused: choose a language, practice the forms, and track progress over time.

7
Languages
3,000+
Verbs
iOS
iPhone / iPad
verbShark sentence-based mastery practice screen
verbShark quiz screen showing three verb form options

declinatio.com ->
Nouns
All five declensions
Adjectives
Agreement and degree
Pronouns
Personal to relative
Verbs
Conjugations and tenses
Caesar & Nepos
Gallic War, Book I + three biographies

A focused app for Latin grammar practice.

Declinatio helps you practice Latin noun, adjective, and pronoun declensions and verb conjugations.

Practice with guided lessons, form and sentence drills, daily review, and mastery tracking. Read all of Book I of Caesar's Dē Bellō Gallicō and Nepos's biographies of Miltiades, Hamilcar, and Hannibal in the original Latin.

Each session has a clear focus: learn the endings, practice the forms, and apply what you've learned as you read Latin.

51
Lessons
79
Chapters to read
iOS
iPhone / iPad
Declinatio reading screen: the opening of Caesar's Gallic War with four words filled in and graded
Declinatio form practice screen: the accusative singular of puella, checked and explained

Let's connect.

Questions about Hiawatha Studios, verbShark, Declinatio, or future projects are welcome.