ARK-näppäimistö is a Finnish-language Android keyboard that learns the words you use and predicts the next word. Learning and suggestions stay entirely on the device; the app has no analytics and no ads, and nothing is learned in password fields.

Five to eight suggestions appear in a scrollable row and a long press on a key opens a character menu. The keyboard also offers an on-device translation view, voice typing with the device's speech recognition, a clipboard with pinnable clips, emojis, a cursor mode, a customisable toolbar and password autofill from the suggestion row. Learned words move to another device with a backup.

The base word list comes from the Institute for the Languages of Finland (Kotus), licensed under CC BY 4.0.

Source code, issues and discussions: https://github.com/jrs8205/ARK-nappaimisto

Features

  • Learns your own words and predicts the next word, all on the device
  • Five to eight suggestions in a scrollable row; long-press character menu
  • On-device translation view
  • Voice typing with the device's speech recognition
  • Clipboard with pinnable clips, emojis, cursor mode and a custom toolbar
  • Password autofill from the suggestion row; no analytics and no ads

Project Samples

Project Activity

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Categories

Mobile, Keyboards

License

GNU General Public License version 3.0 (GPLv3)

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ARK-näppäimistö Web Site

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Additional Project Details

Operating Systems

Android

Languages

Finnish

Intended Audience

End Users/Desktop

User Interface

Android

Programming Language

Kotlin

Related Categories

Kotlin Mobile Software, Kotlin Keyboards

Registered

2026-10-11