# Simple Invoice Maker & Receipt — Easy Estimate, Receipt Maker > Mobile app for creating, sending, and tracking invoices, estimates, receipts, and inventory. (iPhone/iPad app by SK Tech Systems LLC.) - Source: https://appshunter.io/ios/app/simple-invoice-maker-and-receipt/id1507360389 (this page in markdown: same URL + `.md`) - Developer: [SK Tech Systems LLC](https://appshunter.io/developer/1507360388) - Category: Business, Finance - Price: Free with in-app purchases - Rating: 4.14/5 from 35 App Store ratings · 23 written reviews indexed - Age rating: 4+ - Requires: iOS 11.0 · 30 MB - Languages: English - Released: 2021-05-25 - Data updated: 2026-07-09 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/simple-invoice-maker-and-receipt/id1507360389/reviews.md ## What is Simple Invoice Maker & Receipt? 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/ ## Key features - 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 ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Monthly Subscription | $3.99 | per month | | Sir Invoices Annually | $17.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Buy additional users | $99.99 | one-time | | Buy additional companies | Free | one-time | | Lifetime | $99.99 | one-time | ## Recent user reviews (10 of 23) All indexed reviews: https://appshunter.io/ios/app/simple-invoice-maker-and-receipt/id1507360389/reviews.md ### 1/5 — Not So Great *2024-11-16, version 3.0.7* Site goes down monthly. So you can not access your customers or other info. No real tech support. ### 1/5 — This app is terrible *2024-08-06, version 3.0.7* This app took my money now it’s not working and giving error messages I think that’s foul and the fact they have no way to contact them ### 1/5 — Could not get past the sign up page *2024-03-09, version 3.0.6* Couldn’t even create an account to try to app. Deleted from my phone. Useless. ### 1/5 — Keeps sending random test notifications *2023-11-28, version 3.0.4* I keep getting “test notifications” that say “test”, for no apparent reason. ### 4/5 — Good App for small businesses *2023-04-05, version 3.0.4* This app so far is very good. Yes it need some missing features and some work but the team is very responsive with emails and seems they are willing to listen and adjust as needed. ### 5/5 — Awesome App *2022-09-14* I really like this app. Simple to use and professional. I emailed support regarding something I could not figure out and they had it dealt with within the hour. I’ve had this app for over a year! **Developer response:** Thanks for the review. We are happy that you find our app amazing :D If you have any other suggestion, feel free to email us support@sir-app.com ### 5/5 — Simple yet has everything that I need *2021-11-13, version 2.21.02* I am glad that I discovered this app. I run a photo booth business and this app helps me keep track not just my items & invoices but also my clients. I really like the simplicity of the app, it’s easy to understand and the best of all is the promptness of their customer support to answer any queries that you may have and their willingness to help. I hope that they will continue to improve the app and add the capability to edit information on an invoice that’s already been created like correcting the name that’s been misspelled ✌︎ ### 5/5 — Best App For Small Business *2021-10-16* The ease of using this app is superb -- whether its invoices, inventories, estimates -- the app is really so user friendly. From home, on-the-go or from different devices -- technology just amazes me. **Developer response:** We are happy you are finding value in our app! Thanks for sharing this as this motivates our team to keep doing better. If you have other input or feedback, please feel free to send us an email at support@sir-app.com. ### 5/5 — Best business assistant *2021-10-09* Thinking back at all the hours spent manually doing all these things, amazed at the time this app saves so we can spend it more on the things that are really required. Automating with SIR is such a blessing, more productive, efficient and organized! **Developer response:** Thanks for taking the time to share this. We are happy you are enjoying our app! If you have any further feedback or suggestions, please feel free to send us a note at support@sir-app.com. ### 5/5 — This app will just amaze you *2021-10-06, version 2.20.99* no complaints on the app since downloading ## Frequently asked questions about Simple Invoice Maker & Receipt ### What does the Simple Invoice Maker app do? This app helps you create, send, and track professional invoices, estimates, and receipts directly from your phone. It also includes features for inventory management, payment processing, and tax reporting, making it a comprehensive tool for small business finances. ### What are the key features of this invoicing app? Key features include the ability to create customizable invoices with your logo, manage inventory with low stock alerts, accept various payment methods like credit cards and PayPal, track payments, and generate reports for bookkeeping and tax purposes. It also supports multiple currencies and languages. ### How much does the Simple Invoice Maker app cost? The app offers a free tier that allows for one business, one user, and limited creation of invoices, estimates, receipts, and purchase orders. Additional features and expanded usage are available through in-app purchases. ### What kind of businesses can use this app? This app is ideal for a wide range of small businesses, freelancers, and entrepreneurs. It's particularly useful for businesses that need to generate invoices, track inventory, and process payments efficiently, such as service providers, contractors, and retail businesses. ### Can I accept payments through the app? Yes, the app allows you to accept online and in-person payments via credit card, debit card, Stripe, PayPal, Google Pay, and Apple Pay. This helps you get paid faster and simplifies your payment tracking. ## Version history (last 5 releases) ### 3.0.7 — 2024-03-18 SIR has fresh new invoice templates. We hope you like as much as we do. This is just the first of many exciting changes to come. Stay tuned. We shall continue to improve the features to make invoicing easy and interesting for you. Already love the app? Rate us. ### 3.0.6 — 2024-02-07 SIR has fresh new invoice templates. We hope you like as much as we do. This is just the first of many exciting changes to come. Stay Tuned. We shall continue to improve the features to make invoicing easy and interesting for you. Already loving the app? Rate us. ### 3.0.4 — 2023-02-07 SIR has fresh new invoice templates. We hope you like as much as we do. This is just the first of many exciting changes to come. Stay tuned. We shall continue to improve the features to make invoicing easy and interesting for you. Already loving the app? Rate us. ### 3.0.3 — 2022-12-23 SIR has fresh new invoice templates. We hope you like as much as we do. This is just the first of many exciting changes to come. Stay tuned. We shall continue to improve the features to make invoicing easy and interesting for you. Already loving the app? Rate us. ### 3.0.2 — 2022-11-08 SIR has fresh new invoice templates. We hope you like as much as we do. This is just the first of many exciting changes to come  - stay tuned. We shall continue to improve the features to make invoicing easy and interesting for you. Already loving the app? Rate us. ## Apps similar to Simple Invoice Maker & Receipt | App | Rating | Price | Category | | --- | --- | --- | --- | | [Invoice Maker・Billing App](https://appshunter.io/ios/app/invoice-makerbilling-app/id1447239633) | 4.8 (7,186) | Free | Business | | [Invoice Simple: Invoice Maker](https://appshunter.io/ios/app/invoice-simple-invoice-maker/id694831622) | 4.9 (122,572) | Free | Business | | [Easy Invoice Maker App by Moon](https://appshunter.io/ios/app/easy-invoice-maker-app-by-moon/id1008723643) | 4.7 (1,437) | Free | Business | | [Invoice Maker ▸ Estimate App](https://appshunter.io/ios/app/invoice-maker-estimate-app/id1314873764) | 4.8 (34,751) | Free | Business | | [Joist: Estimate Invoice Maker](https://appshunter.io/ios/app/joist-estimate-invoice-maker/id592163563) | 4.7 (13,314) | Free | Business | | [Tiny Invoice - Invoice Maker](https://appshunter.io/ios/app/tiny-invoice-invoice-maker/id679572722) | 4.8 (10,330) | Free | Business | --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-09.*