Hear from our satisfied Customers!

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The best invoicing and inventory app you will ever use. Simple, Innovative and Resourceful

SIR has been designed to make it easy for Business owners to control all their core business activities right from their finger tips.

Main Features

Invoicing Customers in seconds

Create professional looking invoices within a few clicks from anywhere right after the job is done. Send it rightaway to get paid faster.

Get paid Faster

Accept online or in person payments via credit card, debit card, PayPal, Apple Pay, or GPay and get paid faster. Send invoices with payment links or charge customers as per their convenience and give them reliable ways to pay.

Invoice Read Notice

Get notified when your invoice is seen to ensure your client didnt miss the invoice

Invoice Due Date Reminders

Know when your invoice is due and forward a professionally designed due date reminder template to your client to get paid and avoid further delay

Professional Estimates Generator

Create instant Estimates with as much details that can guarantee you get the job.

Purchase orders Maker

Create Purchase orders and send them instantly to suppliers to get quicker delivery. Mark your purchase orders as delivery received upon receiving the shipment to track orders pending delivery

Receipts Creator

Issue a signed receipt upon receiving payment from your client to track unpaid invoices

Payment Vouchers Generator

Create a payment voucher when you pay your suppliers with option to get supplier signature as a proof of payment for future records. Track unpaid purchase orders

Issue Debit / Credit Notes

Issue a debit / credit note with just a click and have it recorded to the customer / supplier statement of account

Record Partial Payments/Deposits

Record an advance payment, partial payment or lumpsum payment received and adjust them while issuing an invoice

Professional templates

Choose a professional template and customize it with your brand color, logo and other requirements

Customers / Suppliers Database

Have a database of all your customers and suppliers with all information in one place


Customizable features with options to add logo, select theme color according to your brand, add signatures, attach photos, add notes and much more.

Automated Stock Tracking

Inventory is auto tracked. Get a glimpse of stock available with quantity and value and warehouse location. All items from purchase orders are auto added to stock while items from sales invoices are auto deducted. Record any opening stock, stock movement between warehouses, wastages / damages for efficient control

Multiple Warehouses

Create Multiple warehouses within each company to track the location of inventory

Manual Stock updating

If you have any opening stock, stock movement within warehouses, wastages / damages, record them manually to have updated Stock data at anytime

Low Stock level reminders

Get notified when a product Quantity falls below the reorder level to place orders in advance

Multiple Users with User Access Control

Assign multiple users with limited access to single / multiple functions or with unlimited access as a sub admin.

Products/ Services database

Have a database of all your products / services in one place with maximum information

Create Multiple Companies under one credential

If you own more than 1 company, create Multiple companies under your SIR account and track multiple businesses within the same app anytime

Trace your Taxes

Add taxes to your invoices with inclusive/ exclusive pricing and export reports that help in tax filing with the government

Reports that help in informed decisions

View Stock Report, Product Movement Report, Customers/ Suppliers statement of account, Total Sales / Purchases Report, Customer Ageing Report and Taxes collected report; filtered as required.

Option to Export to PDF

Export reports to PDF to help with book keeping and other legal requirements

Issue Thank you note

Say thanks to your customers with our professionally designed template and keep them coming back to you

Cloud based secured data

All your data is completely secured on cloud with no headache of taking back ups

Multiple currencies

We have included all the major currencies of the world. Issue invoices and other documents in any currency you deal with

Multiple languages

Available in English, Arabic, Dutch, French, German, Italian, Portuguese and Spanish.


Access securely from any device anywhere


A Support feature within the app for solving any queries you may have related to the app functionalities.
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Control your Business from your pocket
Anytime, Anywhere

All in one app for express management of core business functions from your mobile or tablet. Automated Inventory Management, Speedy professional Invoicing, Estimates, Purchase Orders, Receipts, Payment vouchers and much more. Stay organized and in control, while saving time for concentrating on your Business itself.

Best suited for Small businesses, freelancers, service providers, Professionals, contractors, Sole proprietors and business managers.

Majority of entrepreneurs are unable to keep a track of their stock / inventory / receivables resulting in huge wastages, damages, losses, theft and fraud; In addition the inability of invoicing clients on time and following up on pending receivables has always been an issue for Entrepreneurs.

SIR has been designed to make it easy for Business owners to control all their core business activities right from their finger tips; be it tracking inventory, speedy invoicing, payment follow ups, issuing estimates, purchase orders, receipts, etc. at all times and most importantly at a very efficient and affordable pricing.

Subscribe and Stay in Control of your Business, Anytime, Anywhere

Application Insights


Premium services at affordable pricing for all sizes

Mobile App (iOS & Android)
Professional Invoice Templates
Add Photos
Add Signatures
Real time read receipts for Invoices
Online Payments
Due Date Reminders
Business Summary Reports
1st Response Priority from Support
Product Inventory TrackingUnlimited
Number of Invoices & EstimatesUnlimited
Number of Receipts & Purchase OrdersUnlimited
Number of Customers & SuppliersUnlimited
Number of Items & TaxesUnlimited
Number of UsersUnlimited
Number of BusinessesUnlimited

What We Offer

Top of the line features to help you stay organized!

Download the app

Start invoicing your customer efficiently.


1How to get started?
To get started, click on sign up here, create an account and add your business details. Then follow the steps listed on the home screen.
2How does free trial work?
Upon signing up, you can create 1 document each (Invoice, estimate, receipt or any other) completely free without subscribing to any of the plans. Try then buy.
3How to buy / switch / restore / upgrade subscription?
To buy / switch / restore / upgrade a subscription, go to Settings then click on Subscriptions and select your preference accordingly. Terms and conditions apply.
4What payment methods do you accept?
We accept credit cards, debit cards, & PayPal for subscription purchases.
5Which payment gateways are integrated with SIR?
Stripe (Credit cards, Debit cards, Gpay, Apple pay) and PayPal are integrated with SIR. You can send invoices with payment links to get paid faster.
6How to get paid by Gpay or Apple pay?
To get paid by Gpay or Apple pay, simply link your Stripe account with SIR (from Home screen) and swipe the Stripe option on while creating invoices.
7Is there additional fees for accepting payments through Gpay or Apple pay?
No, there is no additional charge for getting paid through Gpay or Apple pay. However, Stripe’s standard charges on payments apply.
8How to change languages?
To switch languages, go to settings then click on language and select your preference.
9Is my data secure?
All your data is totally safe and secure on our Cloud based servers.
10My query is not listed here?
If your query is not listed here, log in to the app, then go to settings, then click on FAQ’s or contact us via support feature in settings or email us at support@sir-app.com and we shall get back to you as soon as possible.