Get Started with Viper Tuner

Install the app, then register for your access code

1 What You're Installing

Viper Tuner is a Progressive Web App (PWA)—a website that installs on your device and works like a native app. You access it through your browser, but once installed, it gets its own icon, runs full-screen, and works offline.

Think of it as a native app that doesn't need an app store. Same experience, just arrives differently.

🔌
Works Offline
No internet required after install
📱
Full Screen
No browser bars or distractions
💾
Home Screen Icon
Launch it like any other app

2 Install the App

Select your device for installation instructions:

Installing on iPhone or iPad

Safari is required. Other browsers won't work for PWA installation on iOS.

  1. Open Safari and go to pianotuning.app Make sure you're using Safari, not Chrome or another browser.
  2. Tap the Share button Square with an arrow pointing up, usually at the bottom of the screen.
  3. Scroll down and tap Add to Home Screen
  4. Tap Add in the top right
  5. Open the app from your home screen and sign in
Note: iOS may ask for microphone permission each session. This is a WebKit limitation—the native iOS app (coming soon) won't have this issue.

Installing on Android

Chrome recommended, but most Android browsers work.

  1. Open Chrome and go to pianotuning.app
  2. Tap the menu button (three dots, top-right)
  3. Tap Install app or Add to Home screen
  4. Confirm the installation
  5. Open from home screen or app drawer and sign in

Installing on Chrome (Windows, Mac, Linux)

  1. Open Chrome and go to pianotuning.app
  2. Look for the install icon in the address bar Monitor with download arrow, on the right side of the URL bar.
  3. Click the icon and select Install
  4. The app opens in its own window—sign in with your code
Alternative: Menu (three dots) → "Save and Share" → "Install Viper Tuner"

Installing on Microsoft Edge (Windows)

  1. Open Edge and go to pianotuning.app
  2. Look for the App available icon in the address bar Plus sign inside a square, on the right.
  3. Click the icon and select Install
  4. The app opens—sign in with your code
Alternative: Menu → "Apps" → "Install Viper Tuner"

3 Get Your Access Code

Required Information
Optional Information

By registering, you agree to our Terms of Service and Privacy Policy.

✓

You're Registered!

Your access code is tied to your email. Keep it safe!

Your Access Code
Beta Tester Benefit: As a thank you for participating in the preview, you'll receive discount pricing when Viper Tuner officially launches. Your access code is your proof of participation—keep it!

Beta preview ends end of March 2026 for existing testers

Open App & Sign In Check Compatibility

Already registered? Open the app and enter your code.

Compatibility & Security

What Won't Work

  • Outdated browsers: You need a modern browser from 2020 or later.
  • Browser security extensions: Some ad blockers or privacy tools block required features. Try a clean browser profile.
  • Corporate/school networks: Some managed networks block WebAssembly. Use a personal device or network.
  • In-app browsers: Opening links from Facebook, email apps, etc. won't work. Open in your real browser.
  • Private/Incognito mode: Some browsers disable features. Use a normal window.

Not sure? Run the compatibility checker first.

Zero Dependencies = Safe Software

Viper Tuner contains zero third-party packages. Every line of code was hand-written for this application. Most software vulnerabilities come from dependencies—code written by strangers, bundled in, creating hidden attack surfaces. Viper Tuner has none of these risks.

0
Third-party packages
0
Inherited vulnerabilities
<1.5MB
Total app size