Apps

Apps are small Lua programs that run from the SD card. Each download is a zip of an apps folder: unzip it at the root of the SD card, then open Apps from the home screen.

Download all apps 110 KB

• Calculator

  Four-function calculator with a live result.

  Download3 KB zip

• Calendar

  Month, week, and day views with US, Canadian, Christian, and Jewish holidays. Add notes to any day, and list birthdays or anniversaries one per line in dates.txt (e.g. 03-14 Pi Day or 1996-07-02 Sam's birthday).

  Files: /apps/calendar/dates.txt, notes in /apps/calendar/notes/

  Download11 KB zip

• Converter

  Converts between many units, and between currencies including historical exchange rates adjusted for inflation.

  Files: Bundled data files in /apps/converter/

  Download54 KB zip

• Counter

  A simple counter: press Left/Right to count.

  Download1 KB zip

• Crossword

  Plays Across Lite .puz crosswords. Progress is saved without changing the puzzle files.

  Files: Puzzles in /apps/crossword/puzzles/

  Download10 KB zip

• Dictionary

  Looks up any word in your installed StarDict dictionaries, outside of a book.

  Files: Uses /dictionaries/ and /.dictionaries/

  Download5 KB zip

• Flashcards

  A very light Anki: reviews plain-text Anki deck exports with basic spaced repetition.

  Files: Decks (.txt, .tsv, .csv) in /apps/flashcards/anki/

  Download8 KB zip

• Gallery

  Photo browser and low-power slideshow for JPEG, PNG, and BMP images. Your sleep-image folders are listed too.

  Files: Photo folders in /apps/gallery/

  Download9 KB zip

• Notepad

  Notes and checklists, each saved as a Markdown file.

  Files: /apps/notepad/notes/

  Download5 KB zip

• Wikipedia

  Offline Wikipedia articles: search, random article, and followable links, shown in your reading font. Packs are built with scripts/wikipedia/build_wiki_pack.py.

  Files: /apps/wikipedia/data/

  Download10 KB zip

Writing your own app? See the Lua app guide.