StablePay

StablePay Labs

In-app purchases

About this app

🌏 No currency exchange. Pay anywhere in the world.

StablePay is a Web3 stablecoin payment app that automatically converts
local currency amounts to USDT / USDC (Polygon · Solana) based on
real-time exchange rates — no fees, no conversion hassle.

Buyers use it for free with no limits. Sellers get 5 free transactions per day.

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✨ Key Features

- Sign up in 30 seconds – Google / KakaoTalk / Facebook / Email login
- Particle Wallet auto-created – No private key management needed, gas fees covered (Premium members)
- QR Scan + OPT Code – QR payment for in-person, 7-digit OPT code for remote transfers
- Real-time exchange rate – Auto-converts 21 local currencies at today's live rate
- Spare change auto-savings – Amounts under $0.01 USD are automatically accumulated as points
- Fingerprint authentication – Biometric security for app entry and payment signing
- 15 languages supported – Font size auto-adjusted to fit every screen

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🔐 Request-Based Payment Structure

Transactions are only executed when the buyer explicitly approves
a QR or OPT request generated by the seller.
The app never holds or transfers your assets on your behalf.

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💳 Pricing Plans

- Buyer : Completely free · Unlimited use
- Seller (Free) : Up to 5 QR/OPT requests per day
- Premium Member : $45 / 6 months or $75 / year — Unlimited + Gas fee coverage

🚀 Launch Special : Gas fees covered for ALL members until end of June!

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🪙 Supported Stablecoins

USDT (Polygon) / USDC (Polygon) / USDC (Solana)

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💹 Supported Local Currencies — 21 Countries

KRW · USD · JPY · CNY · EUR · GBP · HKD · SGD · AUD · THB
PHP · IDR · VND · MYR · INR · AED · SAR · CAD · CHF · MXN · BRL

※ Exchange rates are applied based on the external exchange rate API (daily basis)
※ Blockchain gas fees may apply separately depending on the network

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🌐 Supported Languages — 15 Languages

Korean · English · Arabic · Chinese (Simplified/Traditional) · Japanese
German · French · Portuguese · Spanish · Hindi · Russian · Thai · Vietnamese · Filipino

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🔒 Security & Non-Custodial Structure

Your private key is encrypted with Android Keystore + AES-256
and stored only in your device's secure area.
It is never transmitted to any server or held by the app.
The camera is used solely for QR code scanning.
No images or video are stored or shared externally.

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📜 Registered Patents

① QR-Based Stablecoin Payment System and Method
PCT/KR2025/021643 | Approved: November 14, 2025

② Web3-Based Multi-Wallet Payment Settlement and
Tax Automation System
Application No. 10-2025-0215773 | Filed: December 31, 2025

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📲 Available on Google Play — 8 Countries

South Korea · Australia · Singapore · Hong Kong
Japan · Philippines · Vietnam · Thailand

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⚠️ Important Notice

Cryptocurrency transactions involve risks due to market volatility
and network conditions. Please review all relevant information
before making any transaction.
Personal information is protected in accordance with applicable
laws and our Privacy Policy.

Contact : [e-mail]