Mobile Apps
We build apps that support everyday learning. Each product starts with how people learn and what helps them keep going.
Cardo
Save what you want to remember as cards, then review them by flipping through or listening to an audio slideshow. Cardo is an iPhone app for building a personal card library with folders and decks.
One-time purchase: US$9.99 (U.S. base price)
01
Make your own cards
Add anything you want to remember. Organize cards into folders and decks to create a library that works for you.
02
Flip, listen, and learn
Review cards one by one or use an audio slideshow to practice without watching the screen.
03
Your data stays on your device
Your library is stored on your iPhone. Cardo does not require an account or developer-operated server.
Lissnix
Learn the expressions you actually use in everyday life by listening to them again and again. Add phrases you need and study with audio in this language-learning app.
01
Curated phrases with audio
Learn with a handpicked phrase collection and high-quality audio.
02
AI-generated speech
Create audio for phrases you add yourself, including expressions you may not find in a textbook.
03
Personal playlists
Build playlists around your goals and revisit them whenever you have a moment.
Lissnix plans
Start with the free plan. Paid plans unlock additional features.
| Feature | Free plan | Paid plan |
|---|---|---|
| Price | Free | ¥1,000/month or ¥10,000/year |
| Manage playlists | ✓ | ✓ |
| Official beginner content | ✓ | ✓ |
| Official intermediate and advanced content | — | ✓ |
| Create your own items | Limited | Higher limits |
| Playback speed, repeat, and shuffle | — | ✓ |
| Offline playback | — | ✓ |
Let’s talk about apps.
Get in touch with product questions or to discuss an app development project.