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Yadaphone

Cheap international calls in your browser

SaaS · Founded 2025 · Austria

SaaS
Mobile Apps
Travel
Utilities

Visit yadaphone.com ↗Founder interest ↓

Can you vibecode this?

Yes

Customers buy pay-as-you-go call credits to make international calls from a browser, with no app needed.

Build This with Leapd →

The business

Total revenue

$200K+

Verified recently

Monthly revenue

$10K+/mo

↓ Declining · 60-day average

Peak month

~$15K

Best single month

Growth

−10%

Early months vs recent

For owners

Own Yadaphone? List it for sale.

Founders read this page looking for a business to build like your $10K+/mo one — some would rather buy one that already works. They skip the line, you get a clean exit. $25 one-time, no commission.

Why it works

Value proposition
Make encrypted international calls from any browser, instantly.
Problem
International calls are expensive and require installing apps.
Audience
Freelancers and businesses making frequent international calls.
Business model
Pay-as-you-go credit top-ups charged through Stripe, no subscription required.

Good to knowNo phone verificationEncrypted callsNo subscription

Can you vibecode this?

Yes

The whole product, with AI coding tools and public APIs.

Moat

None found: pure execution

Why people pay Yadaphone

Customers pay for a product that works, and a good copy can match it. Yadaphone has no disclosed data, technology, partnerships, or user base that a competitor with the same browser-based calling stack could not replicate.

Product complexity
Low
A browser-based calling app with credit balance and call history is standard web software.
Data
Moderate
Outbound calling requires a telephony provider API for routing calls to real phone numbers.
Integrations & infrastructure
Low
Telephony APIs from established providers handle call routing through the customer's own credentials.
Human operations
Low
Credit top-ups and call logs are fully automated with no manual fulfillment needed.
Regulation / hardware
Low
Browser-based VoIP calling carries no special licensing requirement for the software layer.

Build this business

Use the build specification below with any AI coding tool, or build it directly with Leapd.

Build This with Leapd →

Leapd builds

Browser calling app with credit balance, call dialer and call history
Credit top-ups via Stripe, pay-as-you-go
Telephony provider API connection
A landing page

Leapd runs

Cold email outreach to potential customers
Meta ads
LinkedIn and X posts
SEO and AI-search visibility
A daily report of what shipped

Opportunity check

Passes: Proven market: $10K+/mo already paid for it
Passes: Proven model: Pay-as-you-go call credits, no subscription
Passes: Proven need: Freelancers need cheap international calls daily
Passes: Buildable: Leapd builds it end to end

build-spec.txt

Build a browser-based international calling app where users buy prepaid credits and make calls directly from the web.

Product:
- User accounts with a credit balance dashboard showing current balance and top-up history
- In-browser call dialer supporting international phone numbers
- Call history log showing destination, duration and credits consumed per call
- Encrypted, secure call sessions with no phone verification required to sign up
- Credit top-up flow letting users add credits in any amount before or after calls

Billing:
- Pay-as-you-go credit top-ups charged through Stripe; credits are deducted per call based on destination rate

Integrations:
- Telephony provider API (such as Twilio or Vonage) connected with the customer's own credentials for outbound call routing