Invoice Simple vs Square Invoices
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Invoice Simple
Create and send professional invoices, estimates, and receipts quickly from your mobile device. This tool helps individuals and growing businesses manage billing, accept online payments, and stay organized. It offers customizable templates and easy client management.
- Create invoices, estimates, and receipts
- Accept online payments
- Customize invoice templates
- Organize billing history
- Send via email, text, or PDF
- Track invoice status
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Easily create & send professional invoices, estimates, and receipts on the go! The perfect tool for individuals and growing businesses that lets you quickly create a document on the spot while with your customer. For growing businesses who want: · A simple way to make estimates, invoices, and receipts fast · Professional-looking invoices that you can send from your mobile device · An easy way to accept online payments and stop chasing checks From a landscaping invoice or estimate to a receipt for entertainment supplies in your side gig, Invoice Simple is the app for your small business. START YOUR FREE TRIAL 6 WAYS INVOICE SIMPLE MAKES YOUR LIFE AS A BUSINESS OWNER EASIER 1. SIMPLE TO USE Designed to make sure you never have to waste time “figuring out” how to make it work. 2. INVOICE ANYWHERE Standing next to your client, in your truck, or sitting at your desk, there’s no quicker way to send an invoice. 3. GET ORGANIZED Keeping track is effortless. Your entire history is collected in one place, easy to find and read. Taxes are a breeze. 4. LOOK MORE PROFESSIONAL Create professional-looking invoices and estimates on the spot. 5. GET PAID FASTER Making it easy to get paid by accepting cards with simple fee structure and low rates that you can add to an invoice - no cost to you, as well as accept checks and cash. 6. INVOICE WITH CONFIDENCE Join hundreds of thousands of small businesses who rely on Invoice Simple, consistently a top-rated invoicing app. Easily customize every aspect of your invoice, estimate, or receipt: 1. Add your logo and business details 2. Include your banking details 3. Easy-add and import client details saved in your phone contacts 4. Customize tax and add discounts 5. Accept credit card payment with simple fee structure and low rates that you can add to an invoice - no cost to you, as well as accept checks and cash 6. Add product information and attach photos 7. Include your signature Send your invoice or estimate by email, text, WhatsApp, or download it as a PDF. Get instant alerts when it's opened, paid, or is overdue with instant mobile device and email notifications. You don’t have to limit yourself to cash and checks. Just select “accept online payments” and follow the simple steps to hook up your invoices to Invoice Simple Payments. PLANS: Start with a free trial, then choose the best plan for your business: Essentials For entrepreneurs to easily start sending estimates, invoices, receipts, and receive payments. · Up to 3 invoices per month · QR code payments · Online payments · Real time read receipts · Expense tracking · Top rated mobile and web apps Plus For small businesses to send nice-looking, easy to create documents on-the-go. Everything in Essentials, plus: · Up to 10 invoices per month · Add photos · Business owner signature · Autofill client & item info · Due date reminders Premium For small businesses to improve invoice organization and make online payments easy. Everything in Plus, along with: · UNLIMITED invoices per month · Customer support 1st response priority Invoice Simple, the ultimate invoice, receipt, & estimate maker: Send simple invoices using professional templates, invoice generator, PDF invoices and quotes, online payments, bill organizer, receipt and expense tracking, and business reporting—all rolled up into one easy-to-use app. When it's time to create an estimate, invoice, or receipt for your small business, Invoice Simple will work for you. Terms of use: https://www.invoicesimple.com/terms Privacy policy: https://www.invoicesimple.com/privacy
Square Invoices
Create and send professional invoices, estimates, and bills on the go. Accept various payment methods, set up automatic reminders, and track payments in real-time. Streamline your business finances with this all-in-one solution.
- Invoice and estimate creation
- Multiple payment options
- Automatic payment reminders
- Real-time tracking and reporting
- Recurring billing
- Contact management
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Square Invoices is a must-have invoicing solution to run your business: invoice and estimate maker, and a secure, fast payment system. It is an essential invoicing solution that efficiently supports any type of business: ► Home & Repair: Contractors, Cleaning, Automotive, Landscaping ► Food & Drink: Catering, Bakery, Food Trucks, Wholesale Stores ► Professional Services: Web Designers, Photographers, Consultants, Accountants, Architects, Interior Designers, Advertising, Real Estate It has everything you need to run your business on the go: estimates, contacts, invoices, payments, automatic reminders and real-time tracking and reporting. It’s all in one app, and there are no monthly fees. Bill customers with a simple invoice app that also makes sending estimates or requesting deposits easy. Access Square Invoices on your iPhone, iPad or desktop. ► INVOICE AND ESTIMATE MAKER Send professional invoices and estimates in three simple steps: just enter your customer’s email, the amount, and hit send. Customise the look and easily attach photos, contracts, or receipts. ► ACCEPT ANY KIND OF PAYMENT Cut collection times from weeks to days by giving your customers more convenient ways to pay—no more stamps or envelopes. Customers can pay online or in person with any major debit or credit card, Apple Pay or Google Pay, cash, check or ACH Payment. ► REACH CUSTOMERS MORE EFFECTIVELY Send invoices wherever your customers prefer—email, URL, text / SMS, manually through any messaging app, or print out a hard copy. Customers can easily pay on their phone or computer from anywhere. ► AUTOMATIC REMINDERS AND TRACKING Stop chasing down payments with automatic payment reminders and transparent tracking that tells you the moment each invoice is viewed and paid. ► FLEXIBLE BILLING Get paid on your schedule by requesting a deposit or setting up recurring invoices for weekly or monthly billing. Customers can also authorize Square to securely save their payment cards on file to be charged automatically. Whether you are sending a quote to confirm your next freelance job, requesting a deposit for a custom order, or billing for your contractor hours, Square Invoices is the all-in-one app for your payment and workflow needs. Download and set up your account in just minutes.
Screenshots
Verdict
The clearest difference is in-app purchases: Square Invoices at none against Invoice Simple's 11. Invoice Simple's advantage is chart position (#9 vs unranked) and review sentiment (64% vs 54%). On price, rating, ratings volume and update cadence there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Invoice Simple sells 9 in-app purchases, starting at $6.99 per month. Square Invoices asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for Invoice Simple against 4.8 for Square Invoices. Both are backed by a comparable volume of ratings — 123K and 93K respectively. Written reviews are what separate them: 64% of Invoice Simple's written reviews are positive against 54% of Square Invoices's.
Invoice Simple ships an update every 2 weeks, Square Invoices weekly. Both last shipped on November 3, 2026.
| Parameter | Invoice Simple | Square Invoices |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (123K ratings) — better | 4.8 (93K ratings) |
| Positive reviews | 63.8% of reviews — better | 54.5% of reviews |
| Number of ratings | 123K — better | 93K |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Best chart rank | #9 — better | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 17.1 |
| Further details — not scored | ||
| Size | 221 MB | 722 MB |
| Age rating | 4+ | 12+ |
| Developer | Zenvoice Inc. | Block, Inc. |
Customer experience
Invoice Simple
Square Invoices
User reviews
Invoice Simple
From 123K App Store ratingsWhat we love
- 🚀 Easy to use
- 👍 Professional-looking invoices
- 🚀 Quick and simple
- 👍 Saves time
- 👍 Convenient mobile access
Room to improve
- 💰 Expensive subscription
- 🐛 Glitches and bugs
- 🔀 Inconsistent features across platforms
- 🔀 Confusing navigation
- 🔀 Limited customization options
Square Invoices
From 93K App Store ratingsWhat we love
- 🚀 Easy to use
- 🚀 Convenient for small businesses
- 🚀 Great for invoicing and payments
- 🚀 Seamless integration with other Square products
- 👍 Professional-looking invoices
Room to improve
- 🐛 Buggy and unreliable
- 🔒 Concerns about account deactivation and fund holds
- 💰 High processing fees
- 🤔 Lack of customer support and communication
- 🤔 Limited customization options for invoices
Bugs and requests
Invoice Simple
Reported bugs
4 issues- Invoices not sending properly
- App crashing or freezing
- Inability to recover deleted invoices
- Syncing issues between mobile and desktop
Requested features
6 requests- Add ability to rearrange line items
- Improve search and filtering capabilities
- Integrate with accounting software
- Add option to track expenses and profitability
- Allow multiple business profiles in one account
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- Improve mobile and desktop app parity
Square Invoices
Reported bugs
3 issues- Invoices not updating correctly
- Issues with connecting card readers
- Problems with account deactivation and fund holds
Requested features
5 requests- Add ability to apply discounts on invoices
- Improve invoice editing capabilities
- Implement auto-save feature for estimates
- Provide option to send invoices via text message
- Add customer statement generation functionality
In-app purchases
Invoice Simple
- Essentials Monthly$6.991 Month
- Mobile subscription$10.991 Month
- Monthly Side Business$10.991 Month
Show 6 moreShow fewer
- Monthly Business Sub$11.991 Month
- Monthly Subscription$11.991 Month
- Monthly subscription2 variants$13.491 Month
- Plus Monthly$14.991 Month
- Monthly Standard Subscription$17.991 Month
- Premium Monthly$21.991 Month
Square Invoices
No in-app purchases
Questions
Is Invoice Simple free?
Is Square Invoices free?
Which has better reviews, Invoice Simple or Square Invoices?
Do Invoice Simple or Square Invoices have ads?
Which is updated more often, Invoice Simple or Square Invoices?
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