PayAiro vs FiatFlex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PayAiro
This app simplifies sending money, managing currencies, and engaging with cryptocurrency. It combines fiat payments, peer-to-peer transfers, and crypto trading into a single, secure mobile experience.
- Instant fiat payments
- Secure P2P transfers
- Buy, sell, and send cryptocurrency
- QR code payments
- Smart multi-currency wallet
- Layered security measures
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PayAiro: Your Complete Crypto and Fiat Payment App PayAiro is a modern digital payment app built to simplify how people send money, manage currency, and engage with cryptocurrency. The app brings fiat payments, peer to peer transfers, and cryptocurrency buying and selling together in one secure mobile experience. INSTANT FIAT PAYMENTS Make quick and reliable payments to other PayAiro users. The app supports everyday transactions such as paying bills, sending money to friends and family, and making purchases conveniently, all within the PayAiro network. SECURE P2P(PEER TO PEER) TRANSFERS Send money instantly to other PayAiro users with a transfer system built for speed and reliability. Transfers move without the delays typically associated with traditional banking systems, making everyday payments simple and fast. BUY AND SEND CRYPTOCURRENCY Buy, sell, and send cryptocurrency to recipients anytime-anywhere within US. PayAiro makes it easy to manage digital assets while enjoying the convenience of a straightforward payment app. QR CODE PAYMENTS AND PAYAIRO TAG Pay effortlessly using PayAiro's built in QR scanner for quick in-store and online payments. Send money instantly using a unique PayAiro Tag, making transfers between PayAiro users faster and easier, without needing bank details or wallet addresses. SMART MULTI-CURRENCY WALLET Manage fiat and crypto assets in one secure digital wallet. Track balances, monitor transactions in real time, and stay in control of your finances with a wallet designed for everyday flexibility. SECURITY YOU CAN TRUST PayAiro is built with encryption and layered security measures designed to protect user funds. An identity verification process helps keep accounts secure while remaining quick and straightforward to complete. HOW IT WORKS Download PayAiro, create an account, and complete a short verification process. Start making fiat payments, use peer to peer transfers, buy and send crypto, and manage everything from one simple, secure app.
FiatFlex
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FiatFlex - Modern Payment Processing for Merchants Accept cryptocurrency and traditional payments with ease. FiatFlex enables merchants to receive USDC payments that are automatically converted to EUR and transferred to your bank account. KEY FEATURES: - Crypto Payment Links Create instant payment links for USDC cryptocurrency payments. Your customers pay in crypto, you receive EUR in your bank account. - Automatic Conversion USDC payments are automatically converted to EUR through our licensed partners Bridge and Circle, with competitive exchange rates. - Weekly Bank Transfers Receive your earnings via SEPA bank transfer directly to your account. Fast, reliable, and secure. - Real-Time Analytics Track all payments, view transaction history, and monitor your business performance with our comprehensive dashboard. - Card Payment Support Accept in-person card payments through Stripe integration for customers who prefer traditional payment methods. - Full KYC/AML Compliance Enterprise-grade verification and compliance built-in, powered by Stripe and Bridge's regulatory frameworks. - Secure & Licensed All financial services provided by licensed partners: Stripe for payment processing, Bridge for crypto-to-fiat conversion, and Circle for USDC infrastructure. PERFECT FOR: • E-commerce merchants • Service providers • Freelancers and consultants • Small businesses • Anyone wanting to accept cryptocurrency payments Get started in minutes with our streamlined onboarding process.
Screenshots
Verdict
PayAiro and FiatFlex are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PayAiro ships an update every 10 days, FiatFlex every 2 weeks. The most recent releases landed on October 17, 2026 and October 6, 2026 respectively.
| Parameter | PayAiro | FiatFlex |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 10 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 103 MB | 85 MB |
| Age rating | 17+ | 4+ |
| Developer | PayAiro Inc | DIGISUBS AGENCY |
In-app purchases
PayAiro
No in-app purchases
FiatFlex
No in-app purchases









