AI · alternatives · 2026

24 alternatives to Marcus - your AI Billing Agent

Automate invoicing and chasing payments

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Marcus - your AI Billing Agent launched in 2024; newer entries below may have overtaken it.

1
Agent Mode by Receiptor AI▲515
Bookkeeping assistant that runs receipt workflows end-to-end
Jun 2026 · receiptor.ai · its alternatives →
2
JustPaid▲272
Autonomous AI for billing, contracts, and collections.
2025 · its alternatives →
3
Rerun▲301
The easiest way to build AI agents for all your tasks
Jul 2026 · rerun.build · its alternatives →
4
AI Agents by Threado▲611
Instant, automated support for customers and internal teams
2024 · its alternatives →
5
Easybilling▲91
AI-native billing & payments for usage-based AI products
Jun 2026 · its alternatives →
6
GetBeel▲96
Let AI collect invoices and do reconciliation in automatic
Mar 2026 · getbeel.com · its alternatives →
7
PayGenie▲60
AI-powered Invoice automation with effortless voice commands
2024 · its alternatives →
8
Novo AI▲69
Insurance claims automation for ops teams
May 2026 · heynovo.ai · its alternatives →
9
A/R team on Demand by Altquid▲74
Virtual accounts receivable team as a service
2022 · its alternatives →
10
unmess▲34
Financial planning AI agents for startups
2024 · its alternatives →
11
Pennyflo▲30
Contract-to-invoice in seconds & get paid faster
2025 · pennyflo.io · its alternatives →
12
Daylit▲10
AI agents for Accounts Receivable
Dec 2025 · daylit.com · its alternatives →
13
Sheila, an AI agent that replaced our accounting flow▲7
An AI agent that replaced our entire accounting flow at Soapbox. Contractor invoices, payments in fiat and Bitcoin, bookkeeping, expense tracking, all handled by one agent built with OpenCode.
Mar 2026 · soapbox.pub · its alternatives →
14
Invoice Desk▲21
AI Native Invoicing & Time Tracking For Freelancers & Teams
2025 · its alternatives →
15
WeRecover AI▲14
The AI That Finds & Recovers Money You’re Owed
2025 · its alternatives →
16
Corebill▲3
AI-first invoicing for developers and agencies
Feb 2026 · corebill.io · its alternatives →
17ID
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 →
18
Circler.io▲26
AI-Powered Bookkeeping Assistant
2024 · circler.io · its alternatives →
19
ThickDot Agent▲14
Ai agent automates end-to-end inventory receiving process
2025 · agent.thickdot.com · its alternatives →
20
ClientPay▲5
Invoicing that gets you paid faster with an AI assistant
Mar 2026 · clientpay.app · its alternatives →
21
ADAM▲2
Automating the internal collections process for SMB's
2024 · interval-ai.com · its alternatives →
22
Tennis Finance▲9
Never chase unpaid invoices again - Receivables on Autopilot
2025 · tennisfinance.com · its alternatives →
23
Lance▲6
AI collections agent for freelancers
2025 · lanceos.ai · its alternatives →
24
Invozaar▲13
Branded Invoices. AI-Automated Follow-ups.
2025 · invozaar.vercel.app · its alternatives →

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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 →