Talk it out
Type or speak your problem and walk through it line by line.
Live on App Store & Google Play
Explain the bug. Find the bug.
The age-old trick works: explain your problem out loud, step by step, and the answer often appears before you finish talking. Quack gives you a duck that listens — with zero judgment, no internet and no account.
- iPhone & iPad
- Android
- Free
- On-device
Why Quack
A ritual that actually works, always available
Articulating a problem forces you to slow down, check your assumptions and spot the flawed step.
Voice mode
Explain bugs hands-free while your hands stay on the keyboard.
Private by design
Your words are processed on your device. Nothing is stored or sent to a server.
No account, no sign-up
Open the app and start debugging in seconds.
Works offline
Think on a plane, on the train, anywhere.
Packs to work through
Structured prompts to walk a problem down when you do not know where to start.
Screenshots
See it in action
Three screens from the app.
Home
Start a session by typing or by voice.
A session
Walk the problem down, one step at a time.
Packs
Structured prompts for when you do not know where to start.
Specifications
Technical details
- Platforms
- iOS 16.4 or later, Android
- Category
- Developer Tools · Productivity
- Input
- Text and hands-free voice
- Processing
- On-device
- Account
- Not required
- Internet
- Not required
- Storage
- Nothing stored or sent to a server
- Price
- Free, with an optional one-time purchase to remove ads
FAQ
Frequently asked questions
What is rubber-duck debugging?
A proven technique used by developers everywhere: you explain your problem out loud, step by step, and articulating it forces you to slow down, check your assumptions and spot the flawed step.
Is my code sent anywhere?
No. Your words are processed on your device — nothing is stored or sent to a server.
Can I use it hands-free?
Yes. Voice mode lets you explain a bug while your hands stay on the keyboard.
Do I need an account?
No account and no sign-up. Open the app and start.
Does it work offline?
Yes.
Pricing
Free · optional one-time purchase
Free to use, with an optional one-time purchase to remove ads.
Free
- Text and hands-free voice debugging
- On-device processing
- No account, no sign-up
- Works offline
One-time purchase
- Removes ads
Download Quack
Free to download. No account needed.