supertonic: a Flutter developer's guide

Lightning-Fast, On-Device, Multilingual TTS — running natively via ONNX.

CategoryLibrary/Tooling
Stars★ 13,196
Last update2026-06-30
PriorityHigh

supertonic is an open-source developer tooling library for Flutter mobile app development, with 13,196★ on GitHub and last updated on 2026-06-30. This guide covers what supertonic does, why it matters in 2026, how to add it to your project, when to reach for it, and how it compares to the alternatives — plus a quick FAQ.

What is supertonic?

Lightning-Fast, On-Device, Multilingual TTS — running natively via ONNX. It focuses on improving your Flutter developer workflow and codebase. The project lives at supertone-inc/supertonic and is maintained by supertone-inc.

Why supertonic is worth knowing in 2026

supertonic carries 13,196 GitHub stars, 1,358 forks, 123 open issues. It has been around since 2025, and is actively maintained (updated within the last month). For a Library/Tooling option, that combination of adoption and upkeep usually means a healthy community, production usage, and plenty of examples to learn from — the things that make a dependency safe to build on.

Installing supertonic

Add the package to your pubspec.yaml:

dependencies:
  supertonic: ^latest

Then fetch it and import it in your Dart code:

flutter pub get
import 'package:supertonic/supertonic.dart';

Check the package’s example/ directory and its GitHub repo for the exact API — supertonic is versioned there with full docs so you always integrate against the current release.

When should you use supertonic?

Reach for supertonic when:

  • you want to automate or streamline part of your build
  • you need better debugging, codegen, or DX
  • you’re standardising tooling across a team

It’s especially relevant if your project touches cpp, csharp, flutter, go, ios, java.

supertonic vs. the alternatives

If you’re weighing options in the Library/Tooling space, these are the other projects developers most often compare supertonic against:

There’s no single winner — the right pick depends on your app’s size, your team’s familiarity, and your performance budget. Browse the full Library/Tooling collection to compare them side by side.

Frequently asked questions

Is supertonic free to use?

Yes. supertonic is open source and free to use in your Flutter projects. You can view the source, report issues, and contribute on GitHub.

Does supertonic work on both iOS and Android?

supertonic is built for Flutter, so it targets iOS and Android from a single codebase, and typically web and desktop too depending on the project’s platform support.

As of 2026, supertonic has around 13,196 stars and 1,358 forks on GitHub, which puts it among the more widely used options in the Library/Tooling space.

What are good alternatives to supertonic?

Popular alternatives in the Library/Tooling category include flclash, ente, nativescript. The best choice depends on your app’s size, team, and performance needs.


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