Hello Duolingo learners!

Duo Tracker is a powerful learning support app that organizes and displays the data from the words you learn in Duolingo in a variety of formats.

Also, this is a free version of Duo Tracker. The free version will display ads, but you can use the in-app store to earn points to purchase items that will disable ads. The ad-blocking items are only valid for a limited time!

Intuitive and beautiful UI!

Duo Tracker beautifully displays the word information you've learned in Duolingo in a variety of formats. The UI is designed with user-friendliness in mind, so you'll never have any trouble using Duo Tracker!

The font in Duo Tracker is beautiful and easy to read, taking into consideration the strain on the eyes during learning.

Additionally, Duo Tracker supports dark mode, and you can switch between dark modes within the app. Switching to dark mode is expected to reduce the power consumption of the device and greatly reduce the strain on the eyes during learning!

Rich features based on the vocabulary you learned in Duolingo!

Duo Tracker syncs with the vocabulary you've learned in Duolingo to provide you with a variety of features. In addition, Duo Tracker is designed to give you intuitive and easy access to information that is not easily accessible in Duolingo.

In particular, Duo Tracker mainly provides the following functions:

1. Word list you have learned
2. Playback of audio about word
3. Learned words can be organized into files created by user
4. Word cards and files can be reordered by user
5. Users can create their own audio playlists based on the words learned in Duolingo
6. Duo Tracker allows you to switch users
7. Duo Tracker allows you to switch learning language
8. Graphical visualization of the proficiency of skills learned in Duolingo
9. Duo Tracker's unique scoring feature based on your learning progress in Duolingo

There are more features that Duo Tracker offers than the above. All of them are very powerful, but all of them are designed to be easy and intuitive to use.

Visualize your skill proficiency with graphs!

Duo Tracker allows you to visualize the proficiency of your Duolingo skills as a graph.

It also allows users to adjust the proficiency range and number of skills to analyze, providing powerful support for your learning with Duolingo!

Voice playback of words!

Duo Tracker allows users to play back the audio of the words they have studied. And Duo Tracker does allow users to play back the audio data of their chosen words for free.

Powerful filing functions!

Duo Tracker provides very powerful filing functions. You can file not only the words you have learned, but also the audio of the words you have learned.

With this filing feature, users can manage their learned words as named groups. This filing feature also allows users to create their own audio playlists.

Strong security to protect user information!

Since Duo Tracker is an app that works in sync with Duolingo, it will inevitably require the user's login information.

For this reason, all login information entered into Duo Tracker will be encrypted and stored on your device. These important information will only be used to auto-login to Duolingo, and will not be transmitted to any outside parties for any other purpose.