Flux Payments

iPhone only

6.7No. 15 of 25
in Gym Membership Billing Software

Recognised40% of the score8
Phone app26% of the score100
Documented20% of the score91
Free plan14% of the score0

Free plan: No
Runs on: api, iPhone, Web

Summary

Flux Payments is ranked #15 of 25 in gym membership billing software on Samsung Mobile US Press. It runs on API, iOS, Web. There is no free plan.

Flux Payments plans and pricing

All plans

Flat Rate Not published 2.9% + 30¢ per transaction Cards, ACH, and stablecoins · full platform access · may have a $20 monthly account fee below $100,000 annual card volume · volume discounts available fluxpayments.com · 2 Oct 2026

Consumer Pass-Through Not published Processing fee added to customer checkout where local rules allow · cards, ACH, and stablecoins · full platform access · may have a $20 monthly account fee below $100,000 annual card volume fluxpayments.com · 2 Oct 2026

Compared on gym membership billing software

Free plan: Nofluxpayments.com
Failed-payment recovery: Yesfluxpayments.com
Refunds: Yesfluxpayments.com
Payment reporting: Yesfluxpayments.com
Accounting integrations: Yesfluxpayments.com

Facts

Payment platform: Flux combines card, ACH, and stablecoin payment processing in one platform.fluxpayments.com · 2 Oct 2026
Card payments: Flux accepts Visa, Mastercard, American Express, and Discover through one integration.fluxpayments.com · 2 Oct 2026
ACH fee: The pricing page lists ACH bank transfers at $5.00 flat.fluxpayments.com · 2 Oct 2026
Stablecoin fee: The pricing page lists stablecoin payments as Free (0%).fluxpayments.com · 2 Oct 2026
Billing: Recurring billing includes automatic retries and dunning emails for failed payments.fluxpayments.com · 2 Oct 2026
Integrations: Flux lists QuickBooks Sync, a free WooCommerce plugin, Set Forth, and a GoHighLevel integration marked as in the works.fluxpayments.com · 2 Oct 2026
QuickBooks: Flux syncs transactions, invoices, fees, and refunds into QuickBooks automatically and categorizes them.fluxpayments.com · 2 Oct 2026
Security: Flux says it is SAQ-D, PCI DSS Level 2 certified and captures card data in origin-isolated iframes so it does not touch the merchant's servers or domain.fluxpayments.com · 2 Oct 2026
Fraud detection: The pricing page describes real-time transaction screening using machine-learning models trained on payment data.fluxpayments.com · 2 Oct 2026
Settlement: The pricing page says card payments typically settle in 1–2 business days, ACH in 1–3 business days, and stablecoins instantly to a wallet.fluxpayments.com · 2 Oct 2026
Developer tools: Flux lists Node.js, Browser, React Native, iOS, and Python SDKs, plus a REST API with interactive docs.fluxpayments.com · 2 Oct 2026
Support: Flux says its support team handles technical and account questions by email, while sales replies within one business day.fluxpayments.com · 2 Oct 2026
Notable limit: Accounts processing under $100,000 a year in card volume may be subject to a $20 monthly account fee.fluxpayments.com · 2 Oct 2026
Intended customers: Flux describes its platform as payment infrastructure for modern businesses and lists industries including e-commerce, healthcare, SaaS, agencies, contractors, and nonprofits.fluxpayments.com · 2 Oct 2026