Comparing Invoice Fly vs Square for Your Business

invoicefly vs square

Choosing between Invoice Fly and Square, starts by answering the question: how do your clients pay? Invoice Fly suits businesses that quote and invoice for completed work. Square is built for companies that also take card payments online, at a counter, or on the go.

Both platforms can make billing easier, but they fit different routines. In this guide, we’ll compare their pricing, payment options, contracts, customer tools, and everyday usability to help you decide which is better for your business.

Invoice Fly vs Square at a Glance

CategoryInvoice FlySquare
Best forContractors and service professionals with estimate-to-invoice workBusinesses taking online, invoiced, and in-person payments
Invoices and estimatesUnlimited on both paid plansUnlimited on Square Free
Recurring invoicesIncludedIncluded
Expense trackingExpenses, receipt capture, and reportsSales reporting, but not a dedicated expense tracker
Time trackingIncludedRequires another tool or workflow
Online paymentsStripe and PayPal, supporting cards, digital wallets, ACH, and SEPABuilt-in Square processing
In-person paymentsNo POSPOS software and optional hardware
Contracts and signaturesEstimate approvals and signaturesReusable contracts and e-signatures
Free optionFree browser document generatorsSquare Free has no monthly fee; processing fees apply
Paid software$8.99/week or $98.99/yearPlus: $49/location/month; Premium: $149/location/month
Mobile accessMobile apps and browserSquare POS, Square Invoices, and web dashboard

Quick verdict: Invoice Fly makes sense when the sale usually starts with a quote and ends with an invoice. Square has the advantage when the same business also takes cards in person, sells online, or relies on a point-of-sale system.

woman making an online card payment

What Is Square?

Square is a commerce platform built around payments. You may also see it called “Squareup” because its website is squareup.com, but Squareup is not a separate product.

Its tools extend to invoices, point-of-sale software, online selling, appointments, customer programs, staff management, payroll, and hardware. Square Invoices supports unlimited invoices, estimates, and recurring bills, plus deposits, reminders, online payments, contracts, notes, and attachments.

Its main attraction is connecting remote invoices, appointment payments, counter sales, and online transactions.

The Square Invoices overview on Capterra provides a third-party summary of these Square features. Keep in mind that some tools and lower processing rates require a paid plan.

Invoice Fly vs Square: Key Differences

Create and Send Invoices with Invoice Fly

Whether you’re billing clients weekly, monthly, or per project, Invoice Fly helps you create professional invoices, track payments, and stay organized from anywhere.

invoice fly mobile dashboard

Invoicing and Estimates

With Invoice Fly, an approved estimate does not become another piece of paperwork to rebuild. You can price the job, add taxes or discounts, collect approval, track the work, and convert the estimate into an invoice when the job is done. If you are new to billing, these guides explain how to write an invoice and how to send an invoice clearly.

Square Free also gives you unlimited invoices and estimates. Its paid plans are built for more complex sales, adding multi-package estimates, batch invoicing, custom fields, and milestone payments. That extra structure can be useful when invoices need to work alongside inventory, counter sales, and online orders.

Recurring Invoices and Payment Reminders

Invoice Fly advertises scheduled recurring invoices and automatic payment reminders alongside its invoice status tools. This invoice automation can help repeat-service businesses identify overdue accounts and spend less time on manual follow-up.

Square lets you choose the frequency, start and end dates, and due date for a recurring invoice series. Customers can also authorize automatic charges to an eligible card or bank account on file. Whichever platform you use, review recurring bills whenever prices, taxes, customer details, or services change.

Online and In-Person Payments

Payment collection is one of the clearest differences between Invoice Fly and Square. Invoice Fly lets customers pay online through supported providers such as Stripe and PayPal, making it a natural fit for businesses that usually collect payment after sending an estimate or invoice.

Square also accepts online invoice payments, but extends further into in-person sales with card readers, countertop hardware, a virtual terminal, QR codes, payment links, and Tap to Pay on compatible phones. A contractor could collect a deposit online, then accept the remaining balance by contactless card at the job site. That flexibility is useful if you take payments in several ways, but an invoice-focused business may not need the extra tools.

Payment Processing Fees

Square Free has no monthly software fee, but you still pay when a customer pays electronically. At the review date, online and invoice card payments cost 3.3% plus $0.30 on Free and 2.9% plus $0.30 on Plus or Premium. In-person tap, dip, or swipe payments cost 2.6% plus $0.15 on Free, 2.5% plus $0.15 on Plus, and 2.4% plus $0.15 on Premium.

ACH invoice payments cost 1%, with a $1 minimum. Plus and Premium cap the fee at $10, while Square does not publish the same cap for Free. The Square Invoices pricing overview on Capterra provides an additional third-party summary of plan prices and processing rates.

Invoice Fly does not set the transaction fee. Charges depend on the connected Stripe or PayPal account. To compare the real cost of each platform, estimate your fees using your typical invoice amount, monthly payment volume, and the ways customers usually pay.

Contracts, Deposits, and E-Signatures

Invoice Fly keeps approval simple. You can request a client’s signature and acceptance on an estimate, collect a deposit, and convert the approved work into an invoice. This works well when a signed estimate and upfront payment are all you need before adding a job to the schedule.

Square offers more structure for complex agreements, including reusable contract templates, editable clauses, e-signatures, attachments, deposits, and milestone-based payment schedules. It is better equipped for projects with detailed terms or several payment stages. 

Tip! Whichever platform you use, clearly state the amount, due date, accepted payment methods, and late-payment rules. Invoice Fly’s guide to invoice payment terms covers common options.

calculator and financial spreadsheet documents

Invoice Templates and Customization

Invoice Fly keeps customization simple enough to handle from a phone. You can add company and customer details, a logo, brand colors, job images, itemized charges, taxes, notes, and payment instructions without spending too much time on design.

Square Free covers standard invoice branding, while paid plans add custom templates, fields, content, and multi-package estimates. These extra controls offer more flexibility, but good invoice design is ultimately about clarity. Dates, charges, totals, and payment instructions should always be easy for the customer to find.

Customer and Business Management

Invoice Fly keeps customer details, estimates, invoices, payments, expenses, time entries, and reports centered on the billing process. A painter who mainly needs to price projects, track costs, and collect payment may prefer this more focused workspace.

Square connects customer records with invoices and a wider range of sales tools, including optional loyalty, marketing, appointments, orders, inventory, and staff management. That broader ecosystem may suit a salon that books appointments, sells products, accepts walk-ins, and rewards regular customers. 

Tip! The IRS explains income and expense recordkeeping in Publication 583, while the US Small Business Administration covers broader financial and operational responsibilities.

Point-of-Sale (POS) and Additional Business Tools

Square is the clear choice when customers pay at a counter or checkout area. Its point-of-sale software works with optional card readers, terminals, registers, printers, and cash drawers. Businesses can also add tools for appointments, online stores, payroll, marketing, banking, gift cards, loyalty programs, and financing.

Invoice Fly takes a more focused approach, keeping estimates, time, expenses, receipts, customer records, and reports close to the billing process. It is a strong Square alternative when you invoice for services and do not need retail hardware, inventory, or multiple sales channels. If those features are central to your business, Square offers more room to expand.

Ease of Use and Mobile Access

Invoice Fly lets you save customer details, prepare estimates, record job costs, and send invoices without setting up a larger sales system. Square also works well on mobile, but its wider range of payment, item, project, staff, online sales, and point-of-sale settings can take more time to configure.

Square’s added depth is useful when you need those tools, but it may feel excessive if your main goal is straightforward invoicing. For additional insight, compare recent Square reviews on Capterra or Trustpilot. Look for patterns that match your priorities rather than relying on a single rating.

professional managing email on a laptop

Invoice Fly vs Square Pricing

Pricing detailInvoice FlySquare FreeSquare PlusSquare Premium
Software price$8.99/week or $98.99/year$0/location/month$49/location/month$149/location/month
Online or invoice card feeSet by the connected payment provider3.3% + $0.302.9% + $0.302.9% + $0.30
In-person card feeNot a central feature; provider terms may apply2.6% + $0.152.5% + $0.152.4% + $0.15

Square Free has no monthly software fee, but transaction charges, hardware, and optional services can increase the total cost, while its paid plans exchange a monthly fee for lower processing rates. Invoice Fly charges for the software, with Stripe or PayPal setting separate payment fees, and its yearly subscription offers better value than paying weekly for ongoing use. The most economical option depends on invoice frequency, payment amounts, card volume, and how customers prefer to pay.

customer support agent reviewing documents

Invoice Fly vs Square for Freelancers and Small Businesses

Invoice Fly fits the rhythm of project-based service work. If you visit a property, prepare a quote, track labor and materials, and collect payment after the job, the app keeps those steps together. That makes it a natural choice for freelancers, contractors, tradespeople, and other mobile service providers.

Square is built for businesses that take payments in more places. Retailers, restaurants, salons, and studios can connect invoices with appointments, online orders, and counter sales. It can also work for service businesses that want contracts, bookings, invoicing, and card acceptance within one larger system.

Think about how a typical sale begins. A site visit and written estimate point toward Invoice Fly, while a register, booking page, or online store points toward Square.

Invoice Fly vs Square: Which Should You Choose?

The best choice is not the platform with the longest feature list. It is the one that matches the work you do every day. Invoice Fly is built around service jobs, keeping estimates, tracked time, expenses, receipts, invoices, and payment follow-up in one focused workspace. Its annual plan is a practical fit for independent professionals who invoice regularly and do not need a checkout system.

Square earns its place when payment processing reaches beyond invoices. Its free plan includes capable billing tools, while the broader platform supports counter sales, appointments, contracts, online stores, customer programs, and payment hardware.

Square gives businesses more ways to sell, but those extra layers are not necessary for everyone. If most of your revenue starts with a quote and ends with an invoice, Invoice Fly is likely to provide the simpler and more natural fit.

Create and Send Invoices with Invoice Fly

Whether you’re billing clients weekly, monthly, or per project, Invoice Fly helps you create professional invoices, track payments, and stay organized from anywhere.

invoice fly mobile dashboard

FAQs​

Invoice Fly may be better for contractors and freelancers who need estimates, invoices, time, expenses, receipts, and payment tracking. Square may be better for businesses that need in-person card payments, POS tools, contracts, inventory, or several sales channels.

It depends on your payment volume and required tools. Invoice Fly offers weekly billing at $8.99 or annual billing at $98.99. Square Free has no monthly software fee, but processing charges apply. Plus costs $49 per location monthly, and Premium costs $149.

Square Free has no monthly software fee. Businesses still pay when customers use cards or ACH, and optional hardware and other Square products may cost extra. Some advanced features require Plus or Premium.

Yes. Both platforms support recurring invoices and reminders. Square can also charge an authorized card or bank account according to a recurring schedule. Review the available settings and fees before setup.

Invoice Fly is likely to feel simpler when estimates, invoices, time, and expenses are the main needs. Square is more suitable when invoices must connect with in-person payments, contracts, POS activity, or other commerce tools.

Jennifer Allerson is a Senior Copywriter specialising in business, finance and UX content, and the writer behind Invoice Fly Academy's guides on contracts, invoicing, estimates and pricing for contractors. She has spent more than ten years turning complex business and financial topics into clear, practical advice for small business owners.

  • Copywriter for global brands including Nespresso, San Pellegrino and SEAT, through Ogilvy
  • Former VP of Brand & Communications at Qustodio and Head of Communications at Fon
  • Fintech experience as UX writer for Juni, a B2B financial platform
  • Taught UX Writing at the Barcelona Technology School (University of Barcelona)
  • Former Accenture programmer · MBA, Stockholm School of Economics

Every guide Jennifer writes is researched from primary sources and reviewed under the Invoice Fly editorial policy. Connect with her on LinkedIn or at jenallerson.com.