Flutter app development helps businesses reduce costs mainly by replacing two separate apps with one. Instead of paying an Android team and an iOS team to build the same features twice, you build once in Flutter and release on both platforms. That shared codebase also lowers testing, maintenance, and update costs over the life of the app.
Flutter is Google's open-source UI toolkit, written in the Dart language. According to the Flutter team's 2025 review, Flutter powered nearly 30 percent of new free iOS apps, based on figures shared at Google I/O 2025.
Here is where the savings come from, and where they don't.
