Commerce · alternatives · 2026

24 alternatives to Notasimpan

Invoice manager

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Invoice▲121

   A minimalist flat-file invoicing solution.

   2015 · leeflets.com · its alternatives →

2. 2
   Paid▲124

   An API for invoicing

   2015 · paidapi.com · its alternatives →

3. 3
   Slimvoice▲159

   Insanely simple invoicing

   2015 · slimvoice.co · its alternatives →

4. 4
   Nowdue for Slack▲93

   Super fast invoicing bot for small teams

   2016 · its alternatives →

5. 5
   InvoiceDaddy▲66

   the simplest way to manage invoices and payments

   2015 · invoicedaddy.com · its alternatives →

6. 6
   Lessons Invoicing▲128

   Simple, fast invoicing for freelancers

   2015 · earlybirdapps.com · its alternatives →

7. 7
   Smart Invoices▲121

   The First AI-Powered Invoicing Assistant

   2024 · smartinvoices.app · its alternatives →

8. 8
   Billdogg▲232

   Beautifully simple invoicing for freelancers

   2016 · billdogg.com · its alternatives →

9. 9
   Invoce.ai▲158

   Hey HN, I’m Atmiya. I built Invoce.ai because invoicing always felt unnecessarily slow and bloated. Most tools make you click through forms and settings just to send an invoice. With Invoce, you simply chat with AI, describe the work you did, and it creates a clean invoice instantly. It’s early and intentionally simple. I’m curious how others here handle invoicing today and what feels most frustrating. Happy to answer questions and hear feedback.

   Jan 2026 · invoce.ai · its alternatives →

10. 10
    FreeAgent▲87

    Accounting software, simplified

    2014 · freeagent.com · its alternatives →

11. 11
    InvoiceApp▲136

    Beautiful online invoicing software for small businesses

    2018 · getinvoice.co · its alternatives →

12. 12
    InvoiceOcean▲66

    Simple online invoicing software

    2016 · invoiceocean.com · its alternatives →

13. 13
    PayGenie▲60

    AI-powered Invoice automation with effortless voice commands

    2024 · its alternatives →

14. 14
    Invoice Ninja▲106

    Open source, free invoicing

    2014 · invoiceninja.com · its alternatives →

15. 15
    Inbot▲115

    An intelligent sales assistant. "Slack for sales"

    2015 · inbot.io · its alternatives →

16. 16
    Gentle Invoice▲140

    AI-powered inbox assistant for managing invoices

    2025 · its alternatives →

17. 17
    Better Invoices▲90

    Super simple, no signup invoices

    2014 · betterinvoices.com · its alternatives →

18. 18
    Invoicemint▲9

    The AI Invoice

    2024 · invoicemint.in · its alternatives →

19. 19
    ONIGIRI▲68

    Stupidly simple invoicing

    2024 · onigiri.one · its alternatives →

20. 20
    Paylike▲86

    A modern full-stack payment platform

    2015 · lunar.app · its alternatives →

21. 21
    Scoreboard▲54

    Invoicing made fast and simple

    2014 · its alternatives →

22. 22
    Invoice Desk▲21

    AI Native Invoicing & Time Tracking For Freelancers & Teams

    2025 · its alternatives →

23. 23
    Intelligent Invoice Manager▲7

    Digitize your invoices and receipts with AI

    2025 · efundy.com · its alternatives →

24. 24ID
    Invoice Detector – All your invoices in one place, every month▲5

    Hey HN, We're building Invoice Detector (https://invoicedetector.com/), a tool that uses LLMs and computer vision to automate invoice collection for startups. Our AI agents automatically extract, process, and categorize invoices, helping startups stay on top of their expenses. In addition to extracting invoices, we send smart spend optimization notifications and generate easy-to-understand, accurate expense reports. Our pricing is transparent and available on our website. You can try our tool for free without a credit card. We're really interested in any feedback you have, as…

    2024 · invoicedetector.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →