myBillBook is a slick mobile GST billing app. ReadyBooks keeps that ease but adds true double-entry books, direct GST return filing, BOM-driven manufacturing, statutory payroll, bank sync, and an AI assistant — so you never have to switch tools as you scale.
myBillBook is built around fast invoicing on a phone, with inventory and a staff/attendance tool bolted alongside. That is the right shape for a small shop. When you need true double-entry books — a journal that reconciles to the rupee, drill-down from a P&L line to the source voucher, audit-grade ledgers — a billing-first app starts to feel thin. ReadyBooks is double-entry at its core, so the books your CA audits are the books you work in.
myBillBook structures your bills for GST and produces GSTR-1 and reconciliation reports, then leaves the actual filing to the portal or your tax professional. ReadyBooks files GSTR-1, GSTR-3B, and GSTR-9 directly from inside the app through the official GST APIs, with validation errors surfaced inline on the invoice — so you fix the source document, not a downstream file.
myBillBook offers manufacturer billing that tracks raw materials and finished goods at a basic level. That helps, but it is not a manufacturing module: there is no multi-level bill-of-materials, no production order that consumes inputs at cost and posts journal entries, no work-in-progress valuation. ReadyBooks ships all of that as standard, tied straight into your ledger and GST.
myBillBook includes a staff management and attendance feature for tracking who worked and computing simple payouts. Statutory payroll is a different job: PF, ESI, professional tax, payslips, and the compliance that goes with them. ReadyBooks runs full statutory payroll with PF/ESI/PT and payslip generation inside the same books.
Reconciling a bank account in a billing app means entering transactions by hand. ReadyBooks pulls bank transactions automatically through the RBI Account Aggregator framework and auto-matches them against open invoices, bills, and vouchers, so only genuine exceptions need your attention.
myBillBook gives you reports; you still pick which report answers your question. ReadyBooks ships an accounting-aware AI assistant — ask about net GST after ITC, overdue receivables, or month-over-month expense changes in plain English and get the answer with the working shown.
| Feature | myBillBook | ReadyBooks |
|---|---|---|
| Accounting model | Billing + basic ledger | True double-entry with journal drill-down |
| GST returns | Reports generated; file/share elsewhere | Direct GSTR-1, GSTR-3B, GSTR-9 filing in-app |
| E-invoicing | Supported | Built-in IRN generation |
| Manufacturing | Basic raw-material tracking | Multi-level BOM, production orders, WIP costing |
| Payroll | Staff attendance + simple payouts | Statutory payroll with PF / ESI / PT |
| Bank reconciliation | Manual entry | Account Aggregator sync + auto-match |
| Where it runs | Mobile-first | Cloud web on any device — one login |
| Team access | Limited multi-user | Unlimited seats with role-based permissions |
| AI assistant | Not available | Plain-English queries on your books |
| Mobile billing | Excellent — its core strength | Mobile-friendly web · native apps coming |
myBillBook does the small-shop basics beautifully: a clean mobile UI, fast GST invoices, items and stock, staff attendance, and GST report generation. For an owner running the counter from a phone, that is a great fit. The trouble is the ceiling — the day you take on a partner, hire an accountant, add a second location, or need books a lender or CA will accept, a billing app cannot follow you up.
ReadyBooks is the same simplicity with a real platform underneath. It is double-entry, so your statements are always defensible. It is multi-user with roles and an audit trail, so a growing team can work in parallel. It files GST directly, runs statutory payroll, and supports manufacturing. You adopt it as a small business and keep it as a mid-sized one — no migration to a "real" accounting system later.
Both apps remove the worst of GST data entry — every invoice carries place of supply, HSN/SAC, and the correct CGST/SGST/IGST split, and the return summaries build automatically. myBillBook then helps you generate GSTR-1 and reconcile your inward supplies, but the filing itself happens on the GST portal or with your tax professional.
ReadyBooks files GSTR-1, GSTR-3B, and GSTR-9 directly through the official GST APIs. Errors — a missing HSN code, a wrong place of supply, a mismatched tax split — surface inline on the invoice that caused them. E-invoicing IRN generation is built in. If you file your own returns, month-end becomes a single review-and-file screen instead of an export-upload-reconcile cycle across two systems.
myBillBook can track raw materials and finished goods, and it can record staff attendance and simple payouts. Those are useful conveniences, but they are not a manufacturing module or a statutory payroll engine. There is no multi-level BOM, no production order that consumes inputs at weighted-average cost and posts the journals, and no PF/ESI/PT computation with compliant payslips.
ReadyBooks ships both properly. Manufacturing: define a BOM, raise a production order, and stock, cost, finished-goods inventory, and the ledger all move together — with batch/expiry and multi-godown support. Payroll: full statutory payroll with PF, ESI, and professional tax, payslip generation, and the postings landing in the same books. One platform, no parallel spreadsheets.
A phone-first billing app is built for one person. ReadyBooks is built for a team: give your accountant full access, sales an invoicing-only role, and your CA scoped audit access — same live books, complete audit trail, unlimited seats, one predictable price.
The ReadyBooks AI assistant has read-only access to your books and understands Indian accounting. Ask it for your net GST liability after ITC, your overdue receivables, or what changed in expenses month-over-month, and it answers in plain English. It reads and drafts but never changes the books on its own — you stay in control.
myBillBook got you invoicing fast from your phone. Now invoice volume is up, a second person is posting entries, the bank needs daily reconciling, and your CA wants real year-end books. A billing app is no longer the right size.
ReadyBooks keeps the quick, GST-validated invoicing and adds the rest: Account Aggregator bank sync with auto-match, unlimited team seats with roles, double-entry books your CA can audit, and direct GST filing — without changing tools again.
myBillBook can list your raw materials and finished goods, but it cannot run a production order, cost work-in-progress, or post the manufacturing journals. So the real production maths lives in a spreadsheet.
ReadyBooks brings BOM, production orders, weighted-average-cost stock, batch/expiry, multi-godown transfers, and job-work compliance into the same books as your invoicing and GST. One production order updates stock, cost, inventory, and ledger together.
Clients on billing apps hand you report PDFs and exports, and you rebuild proper books from them every quarter. There is no live ledger to audit and no trail of who changed what.
ReadyBooks gives you multi-tenant access from a single login: switch between client books with a dropdown, work in genuine double-entry, see a full audit log, and file returns directly. Clients keep their own scoped access; you stop reconstructing books from exports.
Export parties, items, and transactions from myBillBook to Excel/CSV. Keep using it in parallel while you set up.
Free in under a minute. No credit card required.
Upload the exported files through the import wizard. Parties, items, and opening balances map with field-level validation.
Spot-check balances against myBillBook, lock the cutover date, and continue in ReadyBooks with the audit trail intact.
Fast GST invoicing with HSN/SAC
Item and stock management
CGST / SGST / IGST handling
Payment tracking and reminders
Mobile-friendly day-to-day use
E-invoicing / IRN generation
True double-entry books your CA can audit
Direct GSTR-1, 3B, and 9 filing
BOM-driven manufacturing with WIP costing
Statutory payroll (PF / ESI / PT)
Account Aggregator bank sync with auto-match
AI assistant on every plan
Everything teams ask before they migrate. If you have a question that isn't here, talk to us.