Best Payment Processing Software - Page 69

How Many Payment Processing Software Products Does G2 Track?

Total Products under this Category: 1,117

Category Stats (Nov 2026)

  • Average Rating: 4.36/5 (↓0.01 vs Oct 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: MoonClerk (+2.32%) - Among all products in this category, MoonClerk recorded the largest rating increase compared to last month

Last updated: November 01, 2026

How Does G2 Rank Payment Processing Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 26,900+ Authentic Reviews
  • 1,117+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Payment Processing Software

G2 Grid® for Payment Processing Software plotting products by satisfaction and market presence

Highlighted products: PayPal Payments, Amazon Pay for Business, Venmo, BILL AP/AR, PayPal Checkout, Nickel, Adyen Payments, and Stripe Payments.

Underlying data: [Grid® JSON](https://www.g2.com/categories/payment-processing/grids.json?focus%5B%5D=paypal&focus%5B%5D=amazon-pay-for-business&focus%5B%5D=paypal-venmo&focus%5B%5D=bill-ap-ar&focus%5B%5D=paypal-checkout&focus%5B%5D=nickel&focus%5B%5D=adyen-payments&focus%5B%5D=stripe-stripe-payments)

Trybit

Who Is the Company Behind Trybit?

  • Seller: Trybit
  • HQ Location: Century City, Cape Town, ZA
  • LinkedIn® Page: za.linkedin.com
    3 employees on LinkedIn®

Tuna Pagamentos

Tuna otimiza pagamentos online: ajuda você a aumentar a taxa de aprovação e diminuir custos de fraude. Com Tuna você escolhe quais provedores quer usar para pagamentos e antifraude, faz testes AB entre eles e descobre qual combinação traz melhores resultados, sem precisar programar nada.

Who Is the Company Behind Tuna Pagamentos?

Tunell

Tunell is a 360-degree crypto payment processing solution that enables your business to not only accept payments, but also to send payments. There are millions of crypto holders out there who want to buy your products and services using crypto. We are lifting the barriers so you can start leveraging a brand-new client base. Try our seamless payment gateway which processes transactions immediately, locking in the price and minimizing market risks. Take advantage of a customized and competitively priced solution built exactly with your needs in mind. Speak to us today for a demo!

Average Rating: 4.8/5.0

Total Reviews: 2

How Do G2 Users Rate Tunell?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.8/10)

Who Is the Company Behind Tunell?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Tunell?

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Tyro

Who Is the Company Behind Tyro?

TZSMM Pay

TZSMM Pay is a reliable and user-friendly payment gateway designed to simplify transactions for businesses of all sizes. We offer seamless integration, secure payment processing, and round-the-clock customer support to ensure a hassle-free experience. With a commitment to innovation and customer satisfaction, TZSMM Pay is your trusted partner for efficient and secure payment solutions.

Who Is the Company Behind TZSMM Pay?

Uelz

Who Is the Company Behind Uelz?

  • Seller: Uelz
  • Year Founded: 2022
  • HQ Location: Valencia, ES
  • LinkedIn® Page: www.linkedin.com
    12 employees on LinkedIn®

UNAK

Who Is the Company Behind UNAK?

  • Seller: UNAK
  • Year Founded: 2024
  • HQ Location: Sofia, BG
  • LinkedIn® Page: www.linkedin.com
    4 employees on LinkedIn®

UniBee

UniBee is an open-core billing infrastructure built for SaaS and AI companies with complex pricing and scaling needs. It handles the full billing lifecycle - subscriptions, usage-based and hybrid pricing, invoicing, payments, and revenue analytics - without locking you into rigid SaaS workflows. UniBee can be deployed as a fully managed cloud or self-hosted in your own infrastructure, giving teams full control over data, pricing logic, and integrations. Designed for companies that outgrow template-based billing tools, UniBee helps engineering and finance teams move faster, experiment with pricing safely, and scale globally without re-architecting their billing stack.

Average Rating: 5.0/5.0

Total Reviews: 6

Who Is the Company Behind UniBee?

Who Uses This Product?

  • Company Size: 50% Medium, 50% Small

What Do G2 Reviewers Say About UniBee?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the effective handling of complex billing logic in UniBee, simplifying management of recurring revenue.
  • Users value the responsive customer support of UniBee, feeling supported in simplifying their subscription management.
  • Users appreciate the ease of use of UniBee, which simplifies subscription management and initial setup effortlessly.
  • Users appreciate the easy setup of UniBee, finding it straightforward and cost-effective for subscription management.
  • Users appreciate the efficient subscription setup of UniBee, enjoying its reliability and responsive support for managing processes.
Cons
  • Users find the learning difficulty of UniBee challenging due to its overwhelming options and complex documentation.
  • Users find the poor documentation of UniBee slows down their understanding of advanced features and settings.

What Are Recent G2 Reviews of UniBee?

uniCenta

uniCenta is a POS solution for hospitality, retail and mixed-use environments.

Average Rating: 4.5/5.0

Total Reviews: 1

How Do G2 Users Rate uniCenta?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.8/10)

Who Is the Company Behind uniCenta?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of uniCenta?

What Are G2 Users Discussing About uniCenta?

Unipaas

UNIPaaS is the ultimate embedded finance solution for digital platforms. It is a fully white-labelled, end-to-end embedded payment solution that provides a single commercial framework. UNIPaaS is a simple, flexible, and fast way to add embedded finance capabilities to your platform. It is also easy to use and secure. UNIPaaS takes ownership and risk of the offering, so you can focus on your core business. 1 Integration, 1 Contract, 0 Risk!

Who Is the Company Behind Unipaas?

  • Seller: UNIPaaS
  • Year Founded: 2020
  • HQ Location: Tel Aviv, IL
  • LinkedIn® Page: www.linkedin.com
    51 employees on LinkedIn®

UniPay Gateway

UniPayGateway is web-based, modular payment gateway solution for cards processing, customer accounts management, recurring billing process automation. Unique, enterprise-level processor agnostic gateway with support for numerous processors (FirstData, Tsys, Paymentech, Global, Elavon, etc). Integrated prospecting, paperless sales, recurring billing, account management and collections functionality for management of the entire payment cycle. Both binary and source code licenses available.

Average Rating: 4.5/5.0

Total Reviews: 1

How Do G2 Users Rate UniPay Gateway?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.8/10)

Who Is the Company Behind UniPay Gateway?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of UniPay Gateway?

What Are G2 Users Discussing About UniPay Gateway?

Unipesa

Unipesa is a fast growing B2B2G financial services infrastructure. The company has developed a multidimensional payments and lending infrastructure with robust and advanced products and solutions, interconnecting businesses across multiple industries in 20+ countries in the Middle East and Africa region (MEA). Since its inception, the main focus of Unipesa is to provide a quality and scalable infrastructure to enable businesses to carry hustle free activities across the MEA Region. Why Us? Integrated ecosystem: full stack of fintech products — payments, POS, wallet, lending, communications. Presence in 20+ countries, 120,000+ agents, 50+ payment channels — proof of scale and maturity. White-label capabilities — launch services under your own brand. Fast launch and flexible collaboration model — low upfront cost, licensing or revenue sharing. Deep understanding of local markets and regional integration expertise.

Who Is the Company Behind Unipesa?

  • Seller: Unipesa
  • Year Founded: 2012
  • HQ Location: Dubai, AE
  • LinkedIn® Page: www.linkedin.com
    31 employees on LinkedIn®
Subhransu Sahu
SS
Researched and written by Subhransu Sahu
Updated April 9, 2026