Flux Payments

6.1easy start · #21of 26
in Gym Membership Billing Software

Well documentedyes
Runs where you workno

Runs on api, iOS, Web.

Visit site Alternatives

Flux Payments is ranked #21 of 26 in gym membership billing software on The Geeks Club. It runs on API, iOS, Web.

Flux Payments plans and pricing

All plans

Flat Rate 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 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: No
Failed-payment recovery: Yes
Refunds: Yes
Payment reporting: Yes
Accounting integrations: Yes

Best Flux Payments alternatives

See all 20

Clubworx Lesson 17.8 Gym141 Lesson 27.8 Fitnito Lesson 37.7 Gym Assistant Lesson 47.5 Sport School Manager Lesson 57.0 Gymdesk Lesson 66.9

The record

Payment platform: Flux combines card, ACH, and stablecoin payment processing in one platform.
Card payments: Flux accepts Visa, Mastercard, American Express, and Discover through one integration.
ACH fee: The pricing page lists ACH bank transfers at $5.00 flat.
Stablecoin fee: The pricing page lists stablecoin payments as Free (0%).
Billing: Recurring billing includes automatic retries and dunning emails for failed payments.
Integrations: Flux lists QuickBooks Sync, a free WooCommerce plugin, Set Forth, and a GoHighLevel integration marked as in the works.
QuickBooks: Flux syncs transactions, invoices, fees, and refunds into QuickBooks automatically and categorizes them.
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.
Fraud detection: The pricing page describes real-time transaction screening using machine-learning models trained on payment data.
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.
Developer tools: Flux lists Node.js, Browser, React Native, iOS, and Python SDKs, plus a REST API with interactive docs.
Support: Flux says its support team handles technical and account questions by email, while sales replies within one business day.
Notable limit: Accounts processing under $100,000 a year in card volume may be subject to a $20 monthly account fee.
Intended customers: Flux describes its platform as payment infrastructure for modern businesses and lists industries including e-commerce, healthcare, SaaS, agencies, contractors, and nonprofits.

Where it ranks on The Geeks Club

Best Gym Membership Billing Software in 2026#21 of 26

Is Flux Payments yours?

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.

Claim it free Promote Flux Payments

Sources

fluxpayments.com· checked 2 Oct 2026
fluxpayments.com/products/card-processing/· checked 2 Oct 2026
fluxpayments.com/pricing.html· checked 2 Oct 2026
fluxpayments.com/products/· checked 2 Oct 2026
fluxpayments.com/products/quickbooks-sync/· checked 2 Oct 2026
fluxpayments.com/products/pci-compliance/· checked 2 Oct 2026
fluxpayments.com/contact.html· checked 2 Oct 2026