Ballpark
- Time tracking with project categorization
- Professional invoice generation and customization
Best for: Solo practitioner
Compare 10 alternatives to Square Invoices for invoice & ap automation
Last updated April 2026
Best for: Solo practitioner
Best for: Small firm (2-10)
Best for: Small firm (2-10)
| Tool | Rating | AI Level | Firm Size | Key Features | Integrations | Pricing | Setup |
|---|---|---|---|---|---|---|---|
| Square Invoices(current) | 4.6/5 | Traditional | Small firm (2-10) | Integrated payment processing with Square ecosystem, Professional invoice templates with Square branding | Square POS, Square Payments | Freemium | Instant signup |
| Ballpark | 4.5/5 | Traditional | Solo practitioner | Time tracking with project categorization, Professional invoice generation and customization | Stripe, PayPal | From $12/mo | Instant signup |
| Invoice Ninja | 4.6/5 | Traditional | Small firm (2-10) | Recurring invoice automation, Multi-gateway payment processing | Stripe, PayPal | Freemium | Light setup |
| Hiveage | 4.5/5 | Traditional | Small firm (2-10) | Recurring billing automation, Multi-currency invoicing | PayPal, Stripe | Freemium | Instant signup |
| PaySimple | 4.6/5 | Traditional | Small firm (2-10) | Automated recurring billing for subscription services, Integrated payment processing with ACH and credit cards | QuickBooks, Xero | From $49/mo | Light setup |
| Lemon Squeezy | 4.6/5 | Traditional | Small firm (2-10) | Automated tax compliance and VAT handling, Subscription billing with dunning management | Stripe, PayPal | Paid | Light setup |
Simple invoicing and time tracking for freelancers.
Ballpark handles the estimate-to-payment cycle for solo freelancers: you build an estimate, client approves it, you track hours against the project,...Read more →
vs Square Invoices: Strong integration ecosystem with Stripe, PayPal
Invoice Ninja is open-source invoicing software that handles client billing, recurring invoice schedules, expense tracking, and time logging in one...Read more →
vs Square Invoices: Strong integration ecosystem with Stripe, PayPal
Online invoicing and billing tool for freelancers and small businesses.
Hiveage sends invoices, collects payments, automates recurring billing, and tracks expenses — nothing more, nothing less. Freelancers and small...Read more →
vs Square Invoices: Strong integration ecosystem with PayPal, Stripe
Payment management platform for service businesses.
PaySimple combines payment processing, recurring billing, and invoicing in one platform aimed at service businesses running subscription or retainer...Read more →
vs Square Invoices: Strong integration ecosystem with QuickBooks, Xero
Lemon Squeezy acts as the merchant of record for digital product sales and SaaS subscriptions, meaning it takes on legal tax liability across...Read more →
vs Square Invoices: Strong integration ecosystem with Stripe, PayPal
FreshBooks Payments is the native payment gateway baked into FreshBooks invoicing. When you send an invoice, clients see a Pay Now button that...Read more →
vs Square Invoices: Strong option for FreshBooks users wanting simple payment acceptance directly
Accounts receivable automation for small businesses.
Chaser runs automated payment reminder sequences on behalf of small businesses, sending personalized follow-up emails and SMS messages to overdue...Read more →
vs Square Invoices: Strong integration ecosystem with QuickBooks, Xero
Free, open-source invoicing and expense tracking application for freelancers and small businesses.
Crater is a free, open-source invoicing tool built for freelancers and solo operators who want to own their billing data without paying FreshBooks or...Read more →
vs Square Invoices: Strong integration ecosystem with Stripe, PayPal
B2B payments platform that lets businesses pay vendors by bank transfer or credit card, even when vendors only accept checks.
Melio handles the actual money movement in accounts payable, not just the workflow around it. The core function: pay any vendor by ACH or credit...Read more →
vs Square Invoices: More advanced AI capabilities (AI-enhanced vs Traditional)
All-in-one freelance management suite.
Bonsai runs the full client lifecycle for solo freelancers and independent consultants: send a proposal, convert it to a contract with one click,...Read more →
vs Square Invoices: Strong integration ecosystem with QuickBooks, Stripe
We evaluate AI accounting tools across multiple dimensions: feature depth, pricing transparency, integration ecosystem, user ratings, and vendor stability. The alternatives listed here share the same primary category as Square Invoices and are actively maintained. Tools are ranked by user ratings and review volume. We update this page as new tools enter the market and existing ones evolve.