Comparison

FiatFlex vs KeyTransact

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

FiatFlex

Features
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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: β€’ E-commerce merchants β€’ Service providers β€’ Freelancers and consultants β€’ Small businesses β€’ Anyone wanting to accept cryptocurrency payments Get started in minutes with our streamlined onboarding process.

About

KeyTransact

Features
Read full description

KeyTransact is a full payment processor for merchants who want honest pricing and every payment method their customers actually use β€” credit cards, debit cards, Apple Pay, Google Pay, and ACH bank transfers β€” all from one app. WHY MERCHANTS SWITCH TO KEYTRANSACT Honest pricing. Flat 2.7% + 25Β’ per transaction, or a 0% commission monthly plan for high-volume merchants. What we quote is what you pay β€” no platform surcharge, no hidden markup on interchange, no surprise fees added later. Every way to accept payments. Card-not-present online, tap-to-pay in person, invoicing over email, recurring subscriptions, and ACH bank debits β€” all on day one, all in one dashboard. PCI-compliant tokenization. Card details never touch your servers or your phone's storage. Your payments are secure by default. Real-time disputes and refunds. See the full chargeback timeline the moment it opens, not three days later. Respond with evidence right from your phone. Bank deposits on your schedule. Pick daily, weekly, or on-demand instant payouts to your debit card. WHAT'S IN THE APP β€’ OVERVIEW β€” Daily dashboard: card volume, successful charges, average ticket, and recent transactions at a glance. β€’ TERMINAL β€” Take a payment in seconds. Type the amount, charge the card, email the receipt. Works for in-person retail, phone orders, mobile services, and back-office collections. β€’ INVOICES β€” Send professional card-payable invoices in seconds. Recurring billing, PDF attachments, automatic reminders, custom messages, and multi-currency support. β€’ CUSTOMERS β€” Save cards on file, track lifetime value, and re-charge with one tap. Perfect for repeat customers and subscription businesses. β€’ PAYOUTS β€” Track every deposit hitting your bank. See the exact date each pending payment clears and lands in your account. β€’ DISPUTES β€” Respond to chargebacks with attached evidence right from your phone. Full timeline and dispute status. β€’ REPORTS β€” Volume, fees, refunds, and net deposits β€” export CSV for accounting or file taxes. β€’ SETTINGS β€” Manage your account, bank accounts, team members, notification preferences, and receipt branding. BUILT FOR EVERY BUSINESS β€’ E-commerce stores accepting online credit card payments β€’ Retail shops taking cards in person and mobile payments β€’ Service businesses charging customers on the go β€’ SaaS companies needing recurring billing and card-on-file β€’ Restaurants and food trucks processing tap-to-pay β€’ Freelancers and consultants sending card-payable invoices β€’ Nonprofits accepting donations by credit card and ACH β€’ Contractors and home services processing payments in the field PRICING Two ways to pay, both honest. Flat rate 2.7% + 25Β’ per successful transaction. Or a 0% commission monthly plan calibrated to your volume β€” usually the better deal once you cross around $30k/month. We quote before you commit. No hidden fees. No monthly minimums on the flat plan. No cancellation fees ever. SECURE + COMPLIANT PCI-DSS Level 1 tokenization. End-to-end encryption on every transaction. Fraud scoring built in. Chargeback protection tools. Card data never stored on-device. GET STARTED Sign up, verify your business, connect your bank account, and start accepting card payments. No demo call. No sales rep. No weeks of underwriting. Most merchants are approved and processing in under an hour. Accept credit card payments, send invoices, take mobile payments, run recurring subscriptions, and get deposited on your schedule β€” all in one app. Download KeyTransact and keep your margin.

Screenshots

FiatFlex3 screens
KeyTransact4 screens

Verdict

The call

FiatFlex and KeyTransact are too close to call on the numbers: across 6 compared parameters β€” price, update cadence, ads and in-app purchases among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

ScorecardNo meaningful differences
FiatFlex versus KeyTransact: the parameters behind the verdict, then further details
ParameterFiatFlexKeyTransact
PriceFreeFree
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone
Requires iOS16.416.4
Further details β€” not scored
Size85 MB63 MB
Age rating4+4+
DeveloperDIGISUBS AGENCYKeyInventions LLC

In-app purchases

None

FiatFlex

No in-app purchases

None

KeyTransact

No in-app purchases

Questions

Is FiatFlex free?
FiatFlex is free to download, with no in-app purchases.
Is KeyTransact free?
KeyTransact is free to download, with no in-app purchases.
Do FiatFlex or KeyTransact have ads?
Neither FiatFlex nor KeyTransact shows ads.
Which is updated more often, FiatFlex or KeyTransact?
FiatFlex ships an update every 2 weeks, and KeyTransact every 2 weeks. Most recently, FiatFlex was updated on October 6, 2026 and KeyTransact on October 5, 2026.

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