Comparison

Simple Invoice Maker & Receipt vs Invoice Maker by InvoiceOwl

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Simple Invoice Maker & Receipt

Streamline your business finances by creating and sending professional invoices, estimates, and receipts. Manage inventory, track payments, and generate reports for easier tax filing. Get paid faster with integrated payment options.

Highlights
  • Create professional invoices, estimates, and receipts
  • Manage inventory with low stock reminders
  • Accept online and in-person payments
  • Track partial payments and deposits
  • Generate reports for bookkeeping and tax filing
  • Cloud-based data storage
  • Multi-currency and multi-language support
Features
Read full description

Create, send & track invoices, estimates, receipts & inventory on your phone and keep your finances organized. Send the invoice before you leave your customer. SIR helps you create professional invoices, estimates and receipts in seconds. Introducing the most user-friendly and quick invoicing app you’ll ever use. Manage your whole invoicing game and inventory management from this single platform. SIMPLE INVOICE MAKER Make professional invoices easily in a few simple steps. Include your company logo, brand color, and information with our templates. Stay organized with our invoice tracker by sending invoices quickly via email or other messaging tool and receive notices once they read your messages. INVENTORY MANAGEMENT Discover inventory control like no other. SIR is the only app that allows users to add multiple companies and warehouses, and assign multiple users. Our inventory management makes tracking, recording, and stock updating easy and you’ll even get low stock reminders. GET PAID FASTER Accept online or in-person payments via credit card, debit card, Stripe or PayPal and get paid faster. Comparable to Square Point of Sale (POS), PayPal Business, and other payment systems. Easy Google Pay & Apple Pay options are available. PROFESSIONAL ESTIMATES MAKER Create professional estimates that guarantee you get the job. Our invoice maker app converts estimates to invoices with just one click. CREATE SMART RECEIPTS With our receipt maker, instantly create purchase orders and smart receipts once you receive payment. Easily keep track of all unpaid invoices so you never miss a payment. ADVANCED PAYMENTS MANAGEMENT Keep track of partial payments and deposits, and issue payment vouchers and debit/credit notes for customers. View the database of customers and suppliers in one place and keep things organized. TRACK & PAY TAXES Don’t stress about organizing or submitting your taxes for your small business! SIR gives you an easy way to trace and export reports for easier tax filing and payment. BOOKKEEPING REPORTS Stock management isn’t all we can do. You can export reports to PDF for bookkeeping and legal requirements with SIR. ADDITIONAL FEATURES - All data is cloud-based. - Add multiple currencies & view in multiple languages. - Attach photos, include payment information, payment terms, due dates, discounts, taxes, shipping details, notes, and more. - Share documents via email, WhatsApp, print or PDF. - Import customers & suppliers from your phone contacts. - Send auto-generated, professionally designed invoice reminders and thank you notes to customers - Multi-user control for your small business - Perfect to use alongside Invoice Simple, Bookipi - Billing Estimate, Invoice2go, Tiny Invoice, Easy Invoice Maker, Billdu, Zoho Inventory, QSR Inventory, Freshbooks, Xactimate, and more. Download SIR invoice maker app now. PRICING With the free tier, you get one business, one user, one invoice, one estimate, one receipt and one purchase order for free so you can try SIR before you upgrade. Then upgrade in-app for unlimited access. Subscribe to the Annual Package for $35.99 (or local equivalent) and save 70%, with a 3-day free trial. Pay $3.99 (or local equivalent) for monthly plan. Assign unlimited additional users with limited or unlimited access and add multiple businesses for free if subscribed. Automatic renewal of subscription by credit card through your iTunes account. You can turn off auto-renewal at any time. Your subscription automatically renews unless auto-renewal is turned off at least 24 hours before the expiry of the active subscription. An active subscription cannot be canceled before the subscription expires. Any unused portion of a free trial period will be forfeited when the user purchases a paid subscription. Terms of use: https://sir-app.com/terms-and-conditions/

About

Invoice Maker by InvoiceOwl

Create professional estimates, invoices, and purchase orders in minutes. Manage clients, items, and track payments with detailed reports. Collaborate with your team in real-time.

Highlights
  • Estimate creation
  • Invoice generation
  • Purchase order management
  • Client management
  • Item management
  • Financial reporting
  • Real-time notifications
Features
Read full description

Now, no more need to spend hours creating paper estimates and invoices manually. InvoiceOwl is here to help. Create professional looking estimates and invoices in a matter of minutes! InvoiceOwl is easy-to-use, on-the-go estimation and invoicing software designed with simplicity in mind. Ideal for all sorts of contractors, InvoiceOwl allows you to create professional estimates and invoices in a matter of moments. InvoiceOwl App Features =============== Estimate Maker: After you’ve evaluated your client’s needs, you can supply them with professional-looking estimations and quotes for your services right from the app! All you need from your clients is a valid email address. Invoices: Want to send an invoice to your customers? Create an invoice, filling required information like billing name, provided services, attach photos, payment instructions, additional comments if any. Manage both paid and unpaid invoices. Purchase Orders: Now, you save an hour of time on creating purchase orders whenever ordering supplies and products for the company. Client Memos: Do you send credit memos to your customers? Generate memos in just a few minutes and send it to your customers directly in their inbox. Clients: You must have lots of customers whom you might be managing in an excel sheet? Now, no need. InvoiceOwl is an all-in-software solution for invoicing, where you can add all the clients with details. Items: You must be providing more than one service and product. Right? Then, manage all the products and services under the item section. Reports: Create monthly, quarterly, and yearly reports to track the paid and unpaid payments, annual sales by client, sales by item, profit & loss, taxes, sales journal, and more. Real-time Notification: Stay updated and informed about all the updates whether it is about receiving new payment, PO, credit memo, you will stay aware of the updates in real-time.

 NEW Team Model: Our advanced collaboration features allow you to add employees and freelancers to your account. * Add team members and set access levels * Control what projects, clients and documents team members can view and edit * You maintain full administrative access and oversight 
 Can I Customize the Estimates, Invoices, Credit Momos, and Purchases Orders For My Business? ============================================================= Yes, of course. InvoiceOwl allows you to change and customize the look, feel, and detail of the invoices, and other documents like purchase order and credit memo. - 8+ Templates to choose from for your invoices - Change logo in the invoice and include your logo to highlight - Change banner in just a few seconds. - Include a watermark on the invoices as per your business requirements. - Easily match your brand, color & logo to make your invoice look professional. Benefits of Using InvoiceOwl Application ========================== - Create professional estimates to impress your potential clients - Create contracts with easy acceptance via digital signature - Create and send estimates with clients on-the-spot from the mobile app - Collect testimonials from successfully completed jobs to attract more clients - Itemize labor and materials so clients know exactly where their money is going - Upload photos and documents to accompany your proposals Subscription Pricing and Terms: ========================== - InvoiceOwl is free to download. We offer auto-renewing subscription plans. - Paid features: Unlimited Invoices, Unlimited Estimates, Add Unlimited Clients. - Payment will be charged to iTunes Account at confirmation of purchase. - The subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - You can manage or turn off auto-renew in your Apple ID Account Settings any time after purchase. Privacy Policy: https://invoiceowl.com/privacy-policy/ Terms and Conditions: https://invoiceowl.com/terms-of-use/

Screenshots

Simple Invoice Maker & Receipt4 screens
Invoice Maker by InvoiceOwl4 screens

Verdict

The call

The clearest difference is rating: Invoice Maker by InvoiceOwl at 4.4 against Simple Invoice Maker & Receipt's 4.1. Invoice Maker by InvoiceOwl also leads on update cadence (fortnightly vs monthly) and ratings volume (235 vs 35). Simple Invoice Maker & Receipt's advantage is review sentiment (74% vs 55%) and iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Simple Invoice Maker & Receipt sells 5 in-app purchases, starting at $3.99 per month and Invoice Maker by InvoiceOwl sells 10 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Invoice Maker by InvoiceOwl holds the better App Store score, 4.4 against 4.1. That said, the two scores are not equally well evidenced: Invoice Maker by InvoiceOwl has 235 ratings behind it against 35, so its average is the more settled of the two. Written reviews complicate that: 74% of Simple Invoice Maker & Receipt's written reviews are positive against 55% of Invoice Maker by InvoiceOwl's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Simple Invoice Maker & Receipt ships an update monthly, Invoice Maker by InvoiceOwl fortnightly. Both last shipped on November 3, 2026.

Scorecard5 real differences · 5 level
Simple Invoice Maker & Receipt versus Invoice Maker by InvoiceOwl: the parameters behind the verdict, then further details
ParameterSimple Invoice Maker & ReceiptInvoice Maker by InvoiceOwl
PriceFreeFree
Rating4.1 (35 ratings)4.4 (235 ratings) — better
Positive reviews73.9% of reviews — better55.2% of reviews
Number of ratings35235 — better
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.1
Further details — not scored
Size30 MB41 MB
Age rating4+4+
DeveloperSK Tech Systems LLCLefage, LLC

Customer experience

Simple Invoice Maker & Receipt

All ratings35 ratings
Positive77.1%
Neutral5.7%
Negative17.1%
Written reviews23 reviews
Positive73.9%
Neutral4.3%
Negative21.7%

Invoice Maker by InvoiceOwl

All ratings235 ratings
Positive83.4%
Neutral6.8%
Negative9.8%
Written reviews29 reviews
Positive55.2%
Neutral10.3%
Negative34.5%

Bugs and requests

Simple Invoice Maker & Receipt

Not enough reviews yet to summarise bugs or requests.

Invoice Maker by InvoiceOwl

Reported bugs

11 issues
  • Cannot cancel subscription
  • Customer support unresponsive
  • App deleted first account
  • Cannot send receipts to customers
  • Format issues in latest update
Show 6 more
  • Customers get error viewing invoices
  • Missing info in old invoices
  • Email returned to sender
  • Errors constantly
  • Photo upload problem
  • Doesn't always work on some phones and computers

Requested features

4 requests
  • Revert to previous version
  • Option to receive deposit payment first
  • Separate option for deposit payments
  • Improve document margins

In-app purchases

5 purchases

Simple Invoice Maker & Receipt

Subscriptions2
  • Monthly Subscription$3.991 Month
  • Sir Invoices Annually3 Days trial$17.991 Year
One-time3
  • Buy additional companiesFree
  • Buy additional users$99.99
  • Lifetime$99.99
10 purchases

Invoice Maker by InvoiceOwl

Subscriptions10
  • InvoiceOwl Weekly Unlimited$5.997 Days
  • Base - Monthly Plan3 Days trial$6.991 Month
  • InvoiceOwl Monthly Unlimited3 Days trial$9.991 Month
Show 7 more
  • Growth - Monthly Plan$11.991 Month
  • Estimates Maker - Growth Month$11.991 Month
  • Champion - Monthly Plan$28.991 Month
  • Premium - Monthly Plan3 Days trial$39.991 Month
  • Base - Annual Plan3 Days trial$49.991 Year
  • InvoiceOwl Annual Unlimited$99.991 Year
  • Invoice Maker - Growth Yearly$119.991 Year

Questions

Is Simple Invoice Maker & Receipt free?
Simple Invoice Maker & Receipt is free to download, with in-app purchases available.
Is Invoice Maker by InvoiceOwl free?
Invoice Maker by InvoiceOwl is free to download, with in-app purchases available.
Which has better reviews, Simple Invoice Maker & Receipt or Invoice Maker by InvoiceOwl?
Invoice Maker by InvoiceOwl is rated higher. Simple Invoice Maker & Receipt averages 4.1 out of 5 from 35 ratings, while Invoice Maker by InvoiceOwl averages 4.4 from 235 ratings.
Do Simple Invoice Maker & Receipt or Invoice Maker by InvoiceOwl have ads?
Neither Simple Invoice Maker & Receipt nor Invoice Maker by InvoiceOwl shows ads.
Which is updated more often, Simple Invoice Maker & Receipt or Invoice Maker by InvoiceOwl?
Simple Invoice Maker & Receipt ships an update monthly, and Invoice Maker by InvoiceOwl fortnightly. Most recently, Simple Invoice Maker & Receipt was updated on November 3, 2026 and Invoice Maker by InvoiceOwl on November 3, 2026.

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