Perusmuoto
Finnish Lemmas & Forms
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Finnish words are tricky. Perusmuoto finds the basic form from inflected words and opens clear declension and conjugation tables.
Perusmuoto helps you recognize Finnish words appeared in any forms.
Finnish words can appear in many forms. A noun, adjective, pronoun, numeral, or verb may look very different from its basic form. Perusmuoto is built for exactly that moment: type the word form you found, discover its lemma, and open a clear card with the related declension or conjugation forms.
Whether you are reading Finnish text, studying grammar, translating a sentence or trying to understand a word you just saw, Perusmuoto gives you a fast way back to the basic form.
Features:
• Find the basic form of Finnish words from inflected forms
• Search nouns, adjectives, pronouns, numerals, and verbs
• Open full declension and conjugation cards
• Compare positive and negative verb forms
• View adjective comparison forms when available
• Use color-coded word classes for quicker recognition
• Choose from modern visual themes
• Adjust text size for comfortable reading
• Use the dictionary offline after subscribing
• Fully autonomous, doesn't require Internet connection
Perusmuoto is especially useful for Finnish learners, readers, translators and anyone who wants to understand how Finnish words are built.
Subscription:
Perusmuoto requires an active subscription after the free trial. Monthly and yearly subscription options are available. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your App Store account settings.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
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The developer, Dmitrii Bacherikov, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Dmitrii Bacherikov
- Size
- 31.8 MB
- Category
- Education
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Perusmuoto Yearly $14.99
- Perusmuoto Monthly $1.99
- Copyright
- © 2026 Dmitrii Bacherikov