Fast Inventory vs Vyapar

A billing app and a stock system are not the same thing

In plain words: Vyapar is a GST billing app that also tracks basic stock; Fast Inventory is a full stock-control system. A few terms below: an SKU is one stock item; a GRN (goods receipt note) brings stock in; a material issue takes it out to production; a lot or batch is stock received or made together, with its own expiry; FEFO means issue the nearest-expiry batch first; ABC sorts items by how much money they tie up; and the stock ledger is the tamper-proof history of every movement.

Here is the honest bit: for a small shop or trader who mainly needs to raise GST invoices, Vyapar is affordable, mobile-friendly and genuinely good — a billing app is the right call. The difference shows the day stock accuracy, batches, multiple stores, reorder discipline or an audit trail start to matter, because in a billing-first tool stock is a by-product of invoicing rather than a controlled engine of its own.

Is this you?

Your billing app tracks stock, but the figure drifts and you no longer trust it.

You need lot, batch and expiry with FEFO, which an invoicing tool cannot really do.

You issue material to production and need to reconcile what was actually consumed.

You are running more than one store or warehouse and the numbers no longer add up.

A customer or auditor asked where a batch went, and you had no trail to show.

You want physical count variance and reorder alerts, not just a stock quantity column.

Fast Inventory vs Vyapar, side by side

Both are useful — for different jobs. Vyapar leads with billing; Fast Inventory leads with stock control. Here is the honest split.

	Fast Inventory Software	Vyapar
Best for	Indian manufacturers, distributors & spare-parts stores needing real stock accuracy	Small shops and traders needing cheap, mobile-friendly GST billing with basic stock
Core strength	Full stock-control engine — movements, lot/FEFO, cycle count, ABC, reorder, valuation, ledger	GST billing and invoicing, with stock following the invoice
Material issue & store transfer	Core — issue & return to production, gate pass, store-to-store transfer, all on one engine	Not the focus of a billing-first app
Lot, batch & traceability	Lot & expiry with FEFO, expiry dashboard, quarantine/hold, immutable ledger for batch trace	Basic batch/expiry fields
Multi-store & deployment	Multi-store; cloud and on-premise on your own server	Mobile & desktop, single-business oriented
Support & setup	On-site setup, opening-balance import & training from the Pune team that builds it	App / online support
Pricing model	Per user, per store, or a flat fee — scoped for Indian SMEs (ask for a quote)	Low-cost subscription (confirm quote)

How we compare: this table uses each vendor's own public positioning and documented focus. We do not score, rank or give star ratings — we simply describe which type of buyer each tool fits best. Features and pricing change, so confirm the current details with each vendor before you decide.

Where Fast Inventory wins

Best for Indian manufacturers, distributors & spare-parts stores that need real stock, batch and reorder depth — beyond what a billing-first app is built to do — with on-site support at an affordable price.

This is not a knock on Vyapar — for a small shop that mainly needs billing, it is affordable and genuinely good, and we will say so plainly. But if you are a maker, distributor or spare-parts store whose priority is accurate valued stock, material issue, batch traceability, multi-store control and an audit trail, Fast Inventory does a different, larger job, with local on-site help — and it happily integrates with the billing and accounting you already run.

What you get with Fast Inventory

A stock figure you can trust, updated at every receipt, issue and transfer — not just at invoicing.
Material issue and return to production, gate pass and store transfer, each writing a ledger line.
Lot and batch tracking with FEFO issue and an expiry dashboard for near-dated stock.
Physical stock taking that flags book-versus-counted variance for a clean adjustment.
ABC, reorder and non-moving reports, valuation, and multi-store control.
Tally integration so your stock and your books finally agree without double entry.

Proof, without the marketing

Fast Inventory is a Fast Technology product, built in Pune (Nigdi) by Improsys — the stock-accuracy and valuation profile of a 12-product suite on one shared platform. Its reference deployments span manufacturing, engineering and distribution stores, and the same stock engine serves pharma, food and beverage, chemical, dairy, retail, spare-parts and 3PL operations. Improsys carries ISO 9001:2015, ISO 27001:2013 and CMMI Level 5, provides on-site setup and support, and serves businesses across India and worldwide, cloud and on-premise.

Where to go next

See how pricing is scoped Retail & distribution stock Manufacturing inventory Tally integration GST inventory management Moving off Excel or a billing app Inventory software price in India Book a demo

Common questions

Fast Inventory vs Vyapar — which should I choose?

Vyapar is a low-cost, mobile-friendly GST billing app with basic stock, and for a small shop or trader who mainly needs invoicing it is an excellent, affordable choice. Fast Inventory is a full stock-control system — item master, material issue and return, store transfer, lot and FEFO, cycle-count variance, ABC, reorder and an immutable ledger — built for Indian manufacturers, distributors and spare-parts stores that need real stock accuracy with on-site support. Choose Vyapar for billing-first; choose Fast Inventory when stock accuracy is the priority.

Is Vyapar cheaper than Fast Inventory?

Vyapar is a very affordable subscription app, and we will not pretend to undercut a billing app on sticker price. Fast Inventory is priced for Indian SMEs — per user, per store, or a flat fee — scoped to the modules you run, and it includes implementation, opening-balance import, training and handholding. The honest comparison is value: if you only need billing, Vyapar is cheaper; if you need real stock control, batches and an audit trail, Fast Inventory does a different, larger job.

What does Fast Inventory do that a billing app cannot?

In a billing-first app, stock is a by-product of invoicing. Fast Inventory is a proper stock engine: goods receipt, material issue and return to production, gate pass, store-to-store transfer, lot and batch genealogy with FEFO issue, physical stock taking with book-versus-counted variance, ABC and reorder dashboards, valuation, and an immutable stock ledger for full batch traceability — plus multi-store and on-premise deployment.

We use Vyapar today — can we move without losing our data?

Yes. Implementation includes opening-balance import so your current item list and stock come across at go-live, and the Pune team sets it up and trains your storekeepers. Many businesses keep billing simple and let Fast Inventory carry the heavier stock-control, batch and traceability load — and it integrates with the systems you already run, including Tally.

Does Fast Inventory handle GST and multiple stores?

Yes. Items carry a tax group and stock is held per store or storage location, so you can run several stores or warehouses with accurate valued stock each, and movements can post to Tally as stock journals to keep your books aligned. Fast Inventory focuses on stock control and integrates with your billing and accounting rather than replacing them.

Is Fast Inventory cloud or on-premise?

Both. It runs as a cloud deployment or an on-premise install on your own server inside your own network, which suits manufacturers and traceability-critical businesses.