
Flyback Transformer Designer
Iterate·Custom Lib·Offline
About
Design flyback transformers with detailed calculations for core, gap, turns, and wire gauge. Supports multiple operating modes and secondary outputs, with local computation and exportable reports. Offers a trial period followed by a one-time purchase.
What's New in Flyback Transformer Designer
2.1
September 14, 2026
Now a 3-day full-feature trial, then a one-time purchase. You are not charged when the trial ends; this is not a subscription. Existing annual subscriptions remain valid until they expire and can be restored with the same Apple ID.
MoreSubscriptions & In-App Purchases
Annual subscription
14 days trial, full features with subscription
Developer apps
FAQ
What are the main features of Flyback Transformer Designer?
Flyback Transformer Designer computes core, gap, turns, wire gauge, and loss breakdown for flyback transformers. It supports multiple operating modes and secondary outputs, offers a built-in core library, and allows for parameter sweeps. Designs can be exported as PDF or JSON reports.
How does the pricing and trial period work for Flyback Transformer Designer?
The app offers a 3-day full-feature trial from the first launch, with no charge after it ends. After the trial, a one-time App Store purchase unlocks advanced features like editing 'My Database' and exporting reports. This is not a subscription and does not auto-renew.
Does Flyback Transformer Designer require an internet connection?
No, Flyback Transformer Designer performs all computations locally on your device, meaning no internet connection is required for its core functionality.
What operating modes does Flyback Transformer Designer support?
The app covers all four primary operating modes for flyback power supplies: Discontinuous Conduction Mode (DCM), Boundary Conduction Mode (BCM), Quasi-Resonant (QR), and Continuous Conduction Mode (CCM).
Can Flyback Transformer Designer handle multi-output transformers?
Yes, Flyback Transformer Designer supports multi-output secondaries with independent winding design, rather than relying on a simplified single-output approximation.
What platforms is Flyback Transformer Designer available on?
Flyback Transformer Designer is natively supported on iPhone, iPad, and Mac devices with Apple silicon.
How often is Flyback Transformer Designer updated?
The latest version, 2.1, was released on September 14, 2026, indicating recent development activity. Users can expect updates to improve functionality and address any issues.
What is the user sentiment for Flyback Transformer Designer?
Based on the provided data, the app has a perfect rating of 5.0 stars from 1 rating, suggesting a very positive initial user experience.







