Waterfly III
Waterfly III is a free, open-source budget and finance app for Android. Unofficial App for Firefly III, an open source personal finance manager. It has 723 GitHub stars and is released under the MIT license, and you can install it from F-Droid and Google Play.
- Android
- Flutter
- Budget & finance
- Actively maintained
About Waterfly III
Waterfly III is an unofficial app for your own instance of Firefly III, a free and open source finance manager. This app requires a self-hosted Firefly III instance on your own server, please visit for more information about the software. It is only a companion app and cannot run standalone! Features: - Dashboard with charts & budget overview - Transaction list with filters - Add & edit transactions with autocomplete, including attachments, split transactions & multi currency support - Piggy Bank support (view & add money) - Notification Listener Service to easily create new transactions based on incoming notifications (e.g., from Google Pay or your banking app) - Completely open source: -…
Privacy and F-Droid
F-Droid builds Waterfly III from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.
No anti-features flagged on the latest F-Droid build.
Screenshots
Screenshots from the app's F-Droid listing.
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What is Waterfly III?
Waterfly III is a free, open-source budget and finance app for Android. Unofficial App for Firefly III, an open source personal finance manager. It has 723 GitHub stars and is released under the MIT license, and you can install it from F-Droid and Google Play.
Is Waterfly III free and open source?
Yes. Waterfly III's source code is public on GitHub under the MIT license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.
How do I install Waterfly III?
You can install Waterfly III from F-Droid (package com.dreautall.waterflyiii) and from Google Play; the links are on this page. Its GitHub repository also publishes releases (latest: v1.2.1).
Is Waterfly III still maintained?
The repository's most recent commit was on Aug 10, 2026. Its F-Droid listing was last updated on Aug 12, 2026. appsgit only lists apps whose repository had a commit in the last six months.