Comparison

Invoice App vs Simple Invoice Maker & Receipt

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

Head to head
About

Invoice App

Create and send professional invoices and estimates quickly for small businesses, consultants, and freelancers. Manage business finances, track expenses, and get paid faster with customizable templates and multiple payment options.

Highlights
  • Create invoices and estimates quickly
  • Generate invoices from estimates
  • Customizable invoice templates
  • Track working hours
  • Receipt maker and expense tracker
  • Send invoices via email, text, or print
  • Accept card, check, and cash payments
Features
Read full description

Simple create & send professional invoices for small businesses, consultants, contractors & freelancers in minutes. You will find the Invoice app the most powerful tool to replace your daily handwriting paperwork and to free up your hands. ***We have 9 reasons to love Invoice App.*** 1. Create Invoices Quickly & Easily Get invoicing right away. An easiest invoicing app for estimates, invoices, and bills for any products or service. 2. Simple Estimate & Quotes Maker Be the first to send estimates and quotes to your customers and win more jobs, Automatically generate invoices from estimates with one tap. Review estimates and send them quickly. 3. Get Paid Faster Make business invoices and estimates on the go to get paid faster using one simple app. Accept cards in-person or online, as well as checks and cash. 4. Customized Invoices Create multiple professional invoices & estimate templates. Make your invoices & estimates look as professional as your business. Modern and customizable. 5. Track Working Hours Using the invoice app to track your work time couldn't be better for freelancers. When you're done working, send an invoice to your employer with just one click. 6. Receipt Maker & Business Expense Tracker Track contractor and small business expenses - snap a photo of your receipt to safely store and claim business expenses. 7. Simple Invoice Management An invoice or estimate can be created and sent in 1 minute or less. Manage all your business finances in one place. Make doing your taxes a breeze. 8. Send Invoices & Estimates Anywhere Email, text or print your invoice as soon as you finish a job. 9. Invoice with Confidence Invoice Simple is used by hundreds of thousands of small business owners like you and is consistently rated as one of the top invoice apps. --- Key Features: * Create invoices and estimates wherever you are—with a customer, between jobs, or at home * Estimate, invoice, and bill for any product or service * Automatically generate invoices from estimates with one tap * Send estimates to customers, then convert them to invoices later * Customize your invoice with your company logo * Save frequently used line items, clients, and settings for faster invoicing later * Quickly set up clients from your phone contact list * Customize invoice fields: quantity, rate, shipping, and item number * Include payment terms: 30 days, 14 days, etc * Generate receipts with a pre-built receipt template * Discount on item or total * Tax on item or total, inclusive or exclusive * Delivery via email, text, print, or PDF * Add a signature * Attach images and add notes * Accept debit and credit cards, checks, and cash * Take partial payments and deposits * Get notified when your invoices have been read --- Subscription The app contains the following subscription options: 1 month - $4.99 USD 12 months - $39.99 USD Please note the subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Payment will be charged to Apple Account at confirmation of purchase: • Account will be charged for renewal within 24-hours before the end of the current period, and identify the cost of the renewal • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase By using Invoice App, you are agreeing to our Privacy Policy and Terms of Use: Terms and Conditions: www.iubenda.com/terms-and-conditions/79087968 Privacy policy: www.iubenda.com/privacy-policy/79087968 License: Illustration by Storyset - https://storyset.com

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/

Screenshots

Invoice App4 screens
Simple Invoice Maker & Receipt4 screens

Verdict

The call

The clearest difference is monetization model: Simple Invoice Maker & Receipt at free with in-app purchases against Invoice App's subscription. Simple Invoice Maker & Receipt also leads on iOS requirement (11.0 vs 15.0). On price, rating, review sentiment and ratings volume 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. Invoice App sells 4 in-app purchases, starting at $4.49 per month and Simple Invoice Maker & Receipt sells 5 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.0 for Invoice App against 4.1 for Simple Invoice Maker & Receipt. Both are backed by a comparable volume of ratings — 24 and 35 respectively. Written reviews are what separate them: 75% of Invoice App's written reviews are positive against 74% of Simple Invoice Maker & Receipt's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

Scorecard2 real differences · 8 level
Invoice App versus Simple Invoice Maker & Receipt: the parameters behind the verdict, then further details
ParameterInvoice AppSimple Invoice Maker & Receipt
PriceFreeFree
Rating4.0 (24 ratings)4.1 (35 ratings) — better
Positive reviews75.0% of reviews — better73.9% of reviews
Number of ratings2435 — better
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.011.0 — better
Further details — not scored
Size24 MB30 MB
Age rating4+4+
DeveloperHYPEREACT LIMITEDSK Tech Systems LLC

Customer experience

Invoice App

All ratings24 ratings
Positive70.8%
Neutral12.5%
Negative16.7%
Written reviews24 reviews
Positive75.0%
Neutral12.5%
Negative12.5%

Simple Invoice Maker & Receipt

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

In-app purchases

4 purchases

Invoice App

Subscriptions4
  • Premium Plan - Monthly$4.491 Month
  • Premium - Monthly Subscription$6.991 Month
  • Premium Plan - Yearly$39.991 Year
Show 1 more
  • Premium - Yearly Subscription$59.991 Year
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

Questions

Is Invoice App free?
Invoice App is free to download, with in-app purchases available.
Is Simple Invoice Maker & Receipt free?
Simple Invoice Maker & Receipt is free to download, with in-app purchases available.
Which has better reviews, Invoice App or Simple Invoice Maker & Receipt?
Simple Invoice Maker & Receipt is rated higher. Invoice App averages 4.0 out of 5 from 24 ratings, while Simple Invoice Maker & Receipt averages 4.1 from 35 ratings.
Do Invoice App or Simple Invoice Maker & Receipt have ads?
Neither Invoice App nor Simple Invoice Maker & Receipt shows ads.
Which is updated more often, Invoice App or Simple Invoice Maker & Receipt?
Invoice App ships an update monthly, and Simple Invoice Maker & Receipt monthly. Most recently, Invoice App was updated on October 14, 2026 and Simple Invoice Maker & Receipt on October 16, 2026.

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