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Add-on modules · Activate as you grow

Which add-ons and integrations does er4u offer?

er4u extends beyond billing with paid add-ons: an eCommerce website (₹15,000+GST, ₹0 with Enterprise Plus), payment gateways, delivery & logistics, official WhatsApp API, EDC machine integrations, business-specific modules (HR, Job Card, Rental, Tailoring, Production) and a BI dashboard. Most add-ons are one-time or yearly fees, activated on your existing license.

er4u add-on modules extend billing into online selling

Start lean, add power when you need it

Most business owners start with a core plan and 2–3 add-ons. Everything below activates on your existing license — no re-implementation. Jump to: Business Growth · Integrations · Business Operations · Business-specific Modules · Official WhatsApp API.

💡 All add-on prices are for a single-outlet license. Running multiple stores? Talk to us for multi-outlet pricing.

Business Growth

eCommerce Website

₹21,430₹15,000 +18% GST1st year pricing

Branded website on your domainon your domain, synced with POS. AMC ₹3,000/yr after 1st year.

₹0 with Enterprise Max & Enterprise Plus

eCommerce Android App

₹21,430₹15,000 +18% GST1st year pricing

Your own shopping app on the Play Store. AMC ₹3,000/yr after 1st year.

₹0 with Enterprise Plus

eCommerce iOS App

₹21,430₹15,000 +18% GST1st year pricing

Branded App Store app. AMC ₹3,000/yr after 1st year.

Payment Gateway Integration

₹5,000 +18% GSTone-time

Integrate any one gateway — Razorpay, PhonePe, Cashfree or CCAvenue —.

₹0 with Enterprise Max & Enterprise Plus

Easy Delivery App

₹10,000 +18% GSTone-time

For your own delivery boys or riders.

Delivery Integration with Shiprocket

₹10,000 +18% GSTone-time

Courier delivery for your online orders.

Logistics Integration with Delhivery

₹10,000 +18% GSTone-time

Ship online orders via Delhivery.

Business Intelligence Dashboard

₹15,000 +18% GSTper year

Owner analytics across sales, stock & branches.

Integrations

Paytm Machine Integration

₹5,000 +18% GSTone-time

EDC machine linked to billing.

PhonePe Machine Integration

₹3,000 +18% GSTone-time

EDC machine linked to billing.

Pine Labs Machine Integration

₹5,000 +18% GSTone-time

EDC machine linked to billing.

ER-PAY dynamic QR machine for UPI payments

ER-PAY (QR Machine for UPI)

₹5,000 +18% GSTone-time

1 dynamic QR machine + integration, with 1st-year warranty on the machine.

Customer Pole Display Integration

₹4,000 +18% GSTone-time

Up to 5 devices.

Cash Drawer Integration

₹1,000 +18% GSTone-time

Up to 5 devices.

Weight Scale Integration

₹4,000 +18% GSTone-time

Up to 5 devices.

Biometric machine integration for attendance

Bio-Matrix Machine Integration

₹5,000 +18% GST · per device, one-time

Staff attendance via biometric device.

E-mail Integration

Free 300 e-mails/day

Free integration with Enterprise, Enterprise Max & Enterprise Plus. Contact us for higher volumes.

Business Operations

Easy Billing App

₹5,000 +18% GSTone-time

Generate bills, sales & stock reports on a phone; print with a Bluetooth printer.

₹0 with Enterprise / Max / Plus

Transactional SMS

₹2,500 +18% GST · 10,000 SMS pack

On recharge basis (Sender ID: eRforU).

Transactional WhatsApp

₹4,000 +18% GST · 10,000 msg pack

On recharge basis — automatic bill alerts on WhatsApp.

Business-specific Modules

HR Module

₹10,000 +18% GSTone-time

Staff records, attendance & payroll basics.

Job Card Module

₹5,000 +18% GSTone-time

Repairs & service workflows (electronics, mobile).

Rental Module

₹5,000 +18% GSTone-time

Rent-out inventory with returns tracking.

Tailoring / Alteration Module

₹5,000 +18% GSTone-time

Boutiques & garment shops with stitching jobs.

Production Module

₹25,000 +18% GST

Assemble / manufacture from raw materials. AMC ₹5,000 after 1st year.

Official WhatsApp API Integrations

Send all types of transactional & promotional WhatsApp through an official provider. Subscribe to the provider’s plan first, then er4u integrates with it — messaging charges are per the provider’s plan.

Integration with Interakt

₹5,000 +18% GSTone-time

Requires Interakt Growth plan.

Integration with AiSensy

₹5,000 +18% GSTone-time

Requires AiSensy Basic plan.

Integration with Chatico

₹5,000 +18% GSTone-time

Requires a Chatico plan — contact the er4u team for Chatico pricing.

Integration with DoubleTick

₹5,000 +18% GSTone-time

Requires DoubleTick Pro plan.

Integration with Wati

₹5,000 +18% GSTone-time

Requires Wati Growth plan.

Prices as published on er4u.in for India only; verify current rates on your demo call. Also see: Plans & pricing · Retail hardware · eCommerce & Omnichannel.

Frequently asked questions

When can I buy an er4u add-on?

Any time. Add-ons activate on your existing licence without reinstalling or reconfiguring the software, so most businesses start with a core plan and add modules as they grow.

Which add-ons are free with higher plans?

The eCommerce website and payment gateway integration are included at no cost with Enterprise Max and Enterprise Plus, and the eCommerce Android app is included with Enterprise Plus.

Do add-ons have a renewal cost?

Most add-ons are a one-time purchase. The eCommerce website and app carry an AMC of ₹3,000 per year after the first year, the BI dashboard is billed yearly, and SMS and WhatsApp packs work on a recharge basis.

More questions? Read the full er4u FAQ or book a free demo.

Not sure which add-ons you need?

Tell us your workflow — most shops need only 2-3 add-ons to start. We'll map exactly which ones on the demo call.

Ask on a free demo