Compare Lark to these popular alternatives based on real-world usage and developer feedback.

Automate billing processes, manage subscriptions and gain insights with UniBee's open-source billing and payment management software.
Create professional invoices in minutes. Perfect for remote developers, freelance contractors, and digital nomads. Export to PDF instantly and get paid faster.

A set of billing and subscription tools for developers and business people. Developers can use out-of-the-box functionality to get started quickly or use the composable API building blocks to design fully customized subscription logic and pricing models. Business people can create and manage subscriptions and invoices—and view detailed financial reports.

Chargebee is a subscription billing platform that lets you bill, manage and understand your SaaS or subscription based eCommerce business easily.

Spark is a Laravel package that provides scaffolding for all of the stuff you don't want to code. Subscription billing? We got that. Invoices? No problem.

It provides free subscription metrics to help you identify opportunities and then tools to help you reduce churn, optimize pricing, and grow your subscription business end-to-end.

Adapt, innovate and thrive with more value from every transaction flowing through your business. You deserve more than plain old payments. Our super-connected technology makes them seamless and so much more. Get faster, more reliable transactions. Higher conversions. Unbeatable insight and flexibility. So you can delight your customers and unlock new revenue streams.

It is the shopify subscription solution for online businesses. It makes it easy to transform one-time products into subscription options. It was built with the goal of making payments easy for customers. This was primarily by looking for ways for customers to reorder products

It has helped thousands of businesses in Indonesia with a secure and convenient online payment system. It is compatible with various APIs and plug-ins for an easy integration process.

It is a drop-in metered billing system that gives you the flexibility to bill how you want. It enables software companies to offer usage-based billing. It helps companies meter customer usage, price according to flexible plans, and bill customers through payment gateways.

Qonversion allows fast in-app subscription implementation. It provides the back-end infrastructure to validate user receipts and manage cross-platform user access to paid content on your app, so you do not need to build your own server.

It is a tool that lets you define and manage your SaaS application's pricing model following best PriceOps practices. It helps you to define a single source of pricing truth that can be safely and easily updated, with a simple JSON definition optimized for SaaS use cases. This keeps everything aligned as you find the best product-market fit.

It is one of the leading online invoice software in the market. The cloud based invoicing and billing software has catered to more than 3.5 million users around the globe since the past 16+ years. The software can be customized according to individual business need and works for Enterprises, Small Businesses and Freelancers.

It is a connector between your Stripe and Xero accounts. It runs in the background, automatically importing your Stripe sales, refunds and fees into Xero.

It is an open-source platform to invoice, track payments, expenses, and time billable tasks for clients. Less time working, more time living. Create. Send. Get Paid.

Servicebot is the Stripe Billing UI toolkit to scale your subscription business. Provide your customers with beautiful Pricing Pages, Signup Forms, and Subscription Management Portals.

It is a SaaS platform empowering subscriptions app. It helps companies build and grow their mobile revenues by streamlining In-App Purchase integration.

It is simplifying cross-border payouts for online marketplaces, share economy, crowdsourcing, affiliate platforms, app stores, and crowdfunding platforms. Make payouts to your independent contractors, affiliates and suppliers anywhere in the world in 150+ currencies through our payouts-as-a-service platform. We offer a powerful API or you can use batch files through our dashboard portal. Recipients have the choice of how they want to receive their funds and in which currency: direct to their own bank account, credit card, prepaid card, cash pick-up, check, paypal + other options.

Easily integrate subscriptions to your iOS app. View key metrics and send events to mobile analytics. Get cancellation insights and increase app revenue.

It is intuitive to use. Use the individual invoice template in your billing program and send your online invoice directly to your customer.

It is a payment switch software that facilitates communication between multiple payment providers to process payments in the most efficient way possible.

It is a complete online invoice software platform for small business invoicing, billing, reports and more to help you grow. It supports a variety of gateways that accept online payments to serve clients from all parts of the world. Select your favorite payment method and start billing.

It is a non-custodial crypto payment gateway that lets you accept payments in 100+ cryptocurrencies, with auto coin conversion available.

QuoteMachine - Online sales documents that get you paid

It is the ultimate Software as a Service starter kit built with Laravel. It has been rewritten and open-sourced. This project will allow you to create your own Software as a Service in record time.

Rev.io's back office and telecom billing software allows you to focus your energy on innovation and growth. It delivers a usage-based billing platform and a powerful customer management system to scale with your growing business.

Upscribe helps fast-growing eCommerce brands get repeat, loyal customers at scale. We help you move beyond “managing” subscriptions and “dealing” with customers to engaging and delighting them.

Pay and get paid faster with better service and lower costs. Send global mass payments by API, send quick direct-to-bank payouts online, & get paid via local bank transfers from U.S. clients.

Offer usage-based billing to your customers without the work. It makes it easy for you to bill your customers based on what they use without a ton of work.

It is the drop-in cancellation flow that prevents churn, automatically. Use targeted offers to save customers and capture feedback to make informed product, pricing and remarketing decisions.

API first invoicing service that allows developers to quickly integrate invoicing into their stack. Comes with multi-tenant support and a UI for managing data.

It helps Shopify merchants to sell subscriptions without ripping their hair out. One of the game-changing features is group subscription discounts. The best way to think of this is like Spotify/Sprint family, but for subscriptions. Customers are happy when they get consistently lower pricing (vs. 1-time store credits) and merchants are happy when customers bring in friends at no cost.

It is an open-source web & mobile app that helps you track expenses, payments & create professional invoices & estimates.

It is a pricing and billing engine that enables SaaS companies to deploy, monitor, and experiment with custom subscriptions and complex models like usage-based pricing.

It is a fast and convenient solution for effortlessly creating Invoices and Receipts.

It is an open-source software for metering and usage-based billing. It's the best alternative to Chargebee, Recurly, or Stripe Billing for companies that need to handle complex billing logic.

Brisk Invoicing is a simple online invoicing software for freelancers and small businesses to create professional invoices, manage clients and track payments with ease. It helps automate recurring invoices and keep billing organized, so you get paid faster with less effort.

Vault is one of the most trusted and fastest-growing Banking-as-a-Service providers in the crypto space — building the rails of the new financial system. Vault unlocks the infrastructure for the next wave of fintechs, brands, and communities. On top of Vault’s platform, dozens of banks, apps, and financial services are built — all powered by our modular APIs and turnkey white-label stack. We enable partners to launch fully compliant, global crypto-banking services in just weeks:

Trek8 is a web-based SaaS built for tour operators and travel agencies to manage tours, clients, bookings, suppliers, and invoicing from a single dashboard — without complexity or expensive enterprise tools.

From POS hardware to e-commerce gateways, ShapesPay delivers reliability, low cost, 24/7 support. Transform transactions with confidence.

Easy Auto Detailing Software is a complete management platform tailored for car spas, detailing studios, ceramic coating centers, PPF installers, and multi-location automotive service brands. It rationalises your entire workflow, including online bookings, job cards, dent/scratch documentation, service tracking, billing, staff performance, WhatsApp notifications, and e-wallet management, allowing your team to focus on delivering top-quality detailing services. The AI-enabled platform offers dynamic features, including digital inspection forms, before-and-after photo comparisons, live job status updates, and secure customer approvals to ensure full transparency and prevent disputes. Inventory management for coatings, shampoos, and consumables keeps stock in check, while automated reminders encourage repeat visits for maintenance washes, ceramic coating top-ups, and AMC services. Owners benefit from a centralized dashboard offering sales analytics, technician productivity reports, customer history, and branch-level performance insights. Every aspect, from pickup/drop scheduling to digital invoicing, is managed efficiently and accurately. Easy Auto Detailing Software empowers automotive businesses to operate perfectly, communicate effectively, increase revenue, and deliver a premium, end-to-end customer experience.

APIXO is an affordable, performance‑first AI API platform that provides access to image, video, audio, and text models through one unified interface, delivering enterprise‑grade stability at a lower cost with unified routing, automatic failover, and transparent usage reporting.

Automates the recovery of your failed Stripe payments with personalized email and SMS sequences.

Workbass saas is easy to use CRM software that is designed for B2B. It include everything you need to run your businesses. like manage customers, projects, invoices, estimates, timelogs, con

Was built for freelancers and small businesses who want easy invoicing. Send quotes and invoices, track payments and income, and manage clients

Crypoverse is a cutting-edge crypto payment gateway integration platform designed to help online businesses, eCommerce stores, SaaS platforms, and digital enterprises seamlessly accept cryptocurrency payments.

PayTraQer simplifies e-commerce bookkeeping and payment reconciliation. Automate accounting with QuickBooks, Xero, and top payment platforms with ease.

Is the modern studio management platform for dance schools, music academies, and performing arts centers. Automated enrollment, billing, family portal, attendance tracking, and communications. Try free for 30 days.

Easy Gym Software is a comprehensive fitness management solution crafted to simplify the daily operations and intensify business growth for gyms, yoga studios, swimming centers, fitness clubs, MMA, sports academies, Pilates studios, CrossFit boxes, and multi-branch chains. The AI-powered system automates all essential tasks, including online class bookings, biometric attendance, digital and recurring payments, auto-renewals, lead management, POS billing, trainer management, and inventory tracking to ensure smooth operations and proper checks. With instant WhatsApp-first communication, automated reminders, membership renewals, and a mobile-friendly client portal, Easy Gym Software helps fitness businesses to reduce manual work, prevent revenue leakage, and deliver a smooth, modern experience. Powerful dashboards with up-to-date reports and multi-branch analytics provide owners with complete visibility and control over day-to-day performance, enabling hassle-free scaling from a single location to multiple branches without any operational headaches or stress.

One simple link for all your payment methods. Create your professional payment page in under 60 seconds. Accept PayPal, Venmo, Cash App, Stripe, and more. Free forever.