Honest comparison
EstimateBill vs Invoice Simple
Invoice Simple is a polished paid invoicing app, $6.99 to $21.99 a month with a 14-day trial, strong on getting paid in the US: card and ACH payments, read receipts and e-signatures. Its two cheaper plans cap you at 3 or 10 invoices a month. EstimateBill is free with no cap, works offline with no account, and understands GSTIN and Indian GST rates, which Invoice Simple does not publish support for.
Side by side
| EstimateBill | Invoice Simple | |
|---|---|---|
| Price | Free. No paid plan in the current version. | USD: $6.99/month (3 invoices a month), $14.99 (10 a month), $21.99 (unlimited); yearly $69.99, $149.99, $219.99. Prices may vary by local currency.source |
| Free option | Unlimited invoices, estimates and clients. Free PDFs carry a small "Made with EstimateBill" line. | No free plan. A 14-day free trial on mobile.source |
| Works offline | Yes, fully. Nothing is synced or uploaded; the internet is only needed to send the PDF. | Not published. The site stresses cloud sync.source |
| Account needed | None. No sign-up, no phone number. | Yes. Your data follows your account login.source |
| GST on invoices | GSTIN on documents and a GST rate per line, charged on the value after discount. The CGST/SGST split and an HSN column are not in the current version. | No India GST features published: custom taxes and discounts only.source · source |
| E-invoice / e-way bill | No | Not published.source |
| Inventory | No. Saved items only, no stock tracking. | Not published (saved items).source |
| Multiple users | No. One phone, one user. | Not published.source |
| Platforms | Android and iPhone. No desktop or web app (a separate free browser invoice generator is on this site). | iOS, Android, web.source |
Green marks the rows where EstimateBill is the better answer; red where Invoice Simple is, or where we simply do not have the feature. Invoice Simple facts were read from its own website and app listing on 19 September 2026. Prices and plans change, so check the source links before you decide.
Where Invoice Simple is the better choice
- Online payments. Invoice Simple Payments takes cards, and in the US also ACH, PayPal and Venmo. EstimateBill does not collect payments.
- Knowing when a client opened the invoice: real-time read receipts.
- Client e-signatures.
- Web access and cloud sync across devices on one account.
Where EstimateBill is the better choice
- Free, with no monthly invoice cap. Invoice Simple's $6.99 plan allows 3 invoices a month and the $14.99 plan 10.
- Indian GST basics: GSTIN on the document and India's GST slabs per line. Invoice Simple publishes custom taxes only.
- No account and fully offline. Invoice Simple is built around an account that syncs; it does not publish offline support.
- Priced for India. EstimateBill costs nothing; Invoice Simple's top plan is $219.99 a year.
Which one should you use?
Pick Invoice Simple if you bill US or international clients who pay by card and you value read receipts and e-signatures enough to pay monthly. Pick EstimateBill if you bill in India, or anywhere, and want quotes and invoices on your phone without a subscription or an account.
This page is written by the maker of EstimateBill, so read it with that in mind. We have tried to put Invoice Simple's strengths first and to state only what its own pages say. If something here is out of date, tell us and we will correct it.
Try EstimateBill in a minute. Free, no account, works with no internet. Quotes, estimates and invoices as PDFs, sent on WhatsApp.
Questions people ask
Is Invoice Simple free?
No. On 19 September 2026 it offered a 14-day trial, then plans at $6.99, $14.99 and $21.99 a month (or $69.99, $149.99 and $219.99 a year).
Does Invoice Simple support Indian GST?
Its pages do not publish GSTIN, HSN/SAC or CGST/SGST/IGST support, only custom taxes. EstimateBill prints your GSTIN and GST rate per line; for the full CGST/SGST split use our GST invoice format.
How many invoices can I send on Invoice Simple?
Essentials allows 3 a month, Plus 10 a month, Premium unlimited, per its pricing page on 19 September 2026.
Sources, read 19 September 2026: invoicesimple.com/pricing-packages · invoicesimple.com/features/secure-access-anywhere · invoicesimple.com/features/create-estimates-invoices · play.google.com/store/apps/details · invoicesimple.com. EstimateBill facts are from the app as published on Google Play and the App Store (version 1.0.0). Ratings are left out on purpose: they change daily.