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Top 8 Free Crater Alternatives, Compared (2026)

Explore 8 alternatives to Crater — vetted by our editors with real user reviews, pricing, and feature comparisons.

Crater alternatives: our 8 top picks at a glance

Quick answer

The best free billing and invoicing software tools to replace Crater are Moon Invoice, Invoice Ninja and Invoiced. Moon Invoice sits at number one with a SpotScore of 9.2 and 4.97★ from reviewers. Compare all 8 on score, rating, and pricing below.

Not every team clicks with Crater, and that's fine. These 8 billing and invoicing software free alternatives give you real choices on price, features, and usability. We rank them by SpotScore, which combines real-user satisfaction with market presence, then layer in ratings and pricing. Scan the comparison table first, then read the detail for each pick.

ProductSpotScoreRatingPricingBest for
Moon InvoiceEffortless invoicing for small businesses.9.2★★★★★ 4.97(77)Freefrom $5.47/moteams of all sizes
Invoice NinjaStreamline your invoicing and billing with ease.9.1★★★★★ 4.86(41)FreeFree Trial · Freemium · Subscriptionsmall & mid-size businesses
InvoicedEffortlessly manage your invoices online.9.1★★★★★ 4.77(298)FreeFree Trial · Subscription · Quotation Basedteams of all sizes
InvoiceBerryStreamline your billing and boost your business.9★★★★★ 4.79(46)FreeFree Trial · Subscriptionsmall & mid-size businesses
BillinSimplify your billing with ease.8.5★★★★★ 4.92(25)FreeFree Trial · Subscriptionsmall & mid-size businesses
InvoicebusStreamline your invoicing process and get paid quicker.8.1Not yet ratedFreeFree Trial · Subscriptionteams of all sizes
Simple InvoicesEffortless invoicing for busy entrepreneurs.8★☆☆☆☆ 1(5)Freefrom $15/mosmall businesses
Invoice SimpleEffortless invoicing for small businesses.—★★☆☆☆ 1.8(16)Freefrom $4.99/moteams of all sizes

9.2

SpotScore

Moon Invoice

Moon Invoice

Effortless invoicing for small businesses.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

5.0

77 verified reviews

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What is Moon Invoice?

Moon is SaaS software to create, send and receive invoices. It covers sales and services, online payment collection, accounting and statistics. It works with any currency, and integrates with any accounting software. Moon Invoice is an online invoicing and billing platform that helps small ...

Read more about Moon Invoice
Free TrialTry Free →·

Moon Invoice offers custom pricing plan

9.1

SpotScore

Invoice Ninja

Invoice Ninja

Streamline your invoicing and billing with ease.

Best for: SMB teams · Mid-market

Start Free Trial

4.9

41 verified reviews

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What is Invoice Ninja?

Invoice Ninja is powerful billing and invoicing software that can grow with your business. Whether you are a one-man show or a large corporation, Invoices Ninja has endless customization options to fit your needs. It allows you to invoice securely, manage your customer database, view your ...

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9.1

SpotScore

Invoiced

Invoiced

Effortlessly manage your invoices online.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.8

298 verified reviews

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What is Invoiced?

Invoiced is online invoicing software that helps you generate, send and track invoices online. It is free cloud-based billing and invoicing software that makes it easy to create, send, receive, and track bills and invoices for your small business. It enables you to send professional quality ...

Read more about Invoiced
Free TrialTry Free →·

Invoiced offers custom pricing plan

9.0

SpotScore

InvoiceBerry

InvoiceBerry

Streamline your billing and boost your business.

Best for: SMB teams · Mid-market

Start Free Trial

4.8

46 verified reviews

Add to compare

What is InvoiceBerry?

InvoiceBerry is a cloud based billing & invoicing software with multi-user capability. It has ability to send bills to multiple customers in bulk, payments tracking, recurring billing functionality, invoice reminding and fully integrated with most payment gateways and merchant accounts.  It ...

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Free TrialTry Free →

8.5

SpotScore

Billin

Billin

Simplify your billing with ease.

Best for: SMB teams · Mid-market

Start Free Trial

4.9

25 verified reviews

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What is Billin?

Billin is cloud-based billing and invoicing software for small businesses and freelancers that need invoicing, expense tracking, and income monitoring in an affordable package. Automated invoice templates and a simple interface make it accessible for owners managing their own bookkeeping ...

Read more about Billin
Free TrialTry Free →

8.1

SpotScore

Invoicebus

Invoicebus

Streamline your invoicing process and get paid quicker.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is Invoicebus?

Invoicebus is a cloud invoicing platform for freelancers and small service businesses that need a quick way to send quotes, track invoice status, and collect payments via Stripe, PayPal, or Square. It does not include native time logging or expense tracking, so teams needing integrated ...

Read more about Invoicebus
Free TrialTry Free →

8.0

SpotScore

Simple Invoices

Simple Invoices

Effortless invoicing for busy entrepreneurs.

Best for: SMB teams

Start Free Trial

1.0

5 verified reviews

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What is Simple Invoices?

Simple Invoices is an intuitive invoicing platform built specifically for entrepreneurs, freelancers, and small business owners who want to create and send professional invoices in seconds. The platform allows users to generate branded invoices, manage recurring billing, and accept payments ...

Read more about Simple Invoices
Free TrialTry Free →
Invoice Simple - New SaaS Software

Invoice Simple

Effortless invoicing for small businesses.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

1.8

16 verified reviews

Add to compare

watch-demo

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What is Invoice Simple?

Invoice Simple is the perfect solution for small businesses that need to quickly send custom invoices. Track finances, add discounts, including due dates and shipping information on the go. This easy-to-use tool helps businesses take their estimates into a successful and professional invoice in ...

Read more about Invoice Simple
Free Trial·

Invoice Simple offers custom pricing plan

What earned each one a spot

Moon Invoice9.2Best for teams of all sizes

Simplifies invoicing with professional templates and designs, enhancing client satisfaction.

Watch for: Some users may find the abundance of features overwhelming without proper guidance.

Invoice Ninja9.1Best for small & mid-size businesses

Frequent and valuable updates keep the platform modern and functional.

Watch for: Setup for self-hosted users is complex and may require technical expertise, posing difficulties for average users.

Invoiced9.1Best for teams of all sizes

User-friendly interface, minimizing the learning curve and making it suitable for non-technical users.

Watch for: Some users mentioned limitations in accessing specific data when integrated with other systems like Salesforce.

InvoiceBerry9Best for small & mid-size businesses

User-friendly interface that simplifies invoice creation, even for non-technical users.

Watch for: The free version has restrictive client limits, often requiring an upgrade for broader use.

Billin8.5Best for small & mid-size businesses

Easy-to-use interface suitable for non-technical users and beginners.

Watch for: Limited customization options for organizing collaborators or specific workflows.

Invoicebus8.1Best for teams of all sizes

One-click quoting

Watch for: Limited integrations

Simple Invoices8Best for small businesses

Simple Invoices provides a user-friendly interface, allowing entrepreneurs and freelancers to create and send invoices within minutes without requiring accounting expertise.

Watch for: Simple Invoices may lack advanced accounting features such as detailed financial reporting or tax compliance tools, which growing businesses might require.

Invoice SimpleBest for teams of all sizes

Suitable for freelancers, contractors, and small service-based businesses

Watch for: Reporting tools are basic and may not meet detailed financial analysis needs

Why teams look for a Crater alternative

Most people weighing a Crater alternative are reacting to the same handful of pain points:

  • Limited advanced features
  • Basic reporting capabilities
  • No mobile application
  • May lack integrations

What to look for in a Crater alternative

A quick data read across all 8 billing and invoicing software free alternatives: 8 offer a free tier; paid plans run $4.99–$15, with Invoice Simple the cheapest entry point; and Moon Invoice is the highest rated at 4.97★ across 77 reviews.

Behind the ranking.

Frequently Asked Questions (FAQs)

Stuck on something? We're here to help with all the questions and answers in one place.

The top-rated alternatives to Crater are Moon Invoice (5.0★), Billin (4.9★), Invoice Ninja (4.9★). Compare all 8 alternatives side-by-side above.

When evaluating alternatives to Crater, prioritize: Customer Portal, Customizable Invoices, Invoice History, Mobile Payments, Online Invoicing, transparent pricing, free trial availability, and integrations with your existing tools. Use the filters above to compare by feature, budget, and team size.

Migration difficulty depends on how deeply Crater is integrated into your workflows. Most alternatives offer data export/import tools and dedicated onboarding support. We recommend shortlisting 2–3 options, running a free trial, and checking each vendor's migration guides before committing.

Which Crater alternative fits your needs?

  • On a budget / just exploring: start with a free tier — Moon Invoice, Invoice Ninja and Invoiced let you evaluate without paying upfront.
  • If real-user ratings matter most: Moon Invoice has the strongest star rating (4.97★) among the options with verified reviews.
  • Want the safest pick: Moon Invoice has the highest Spotsaas Score (9.2) in this list — a strong default if you're unsure.

Leaving Crater behind

Planning your exit from Crater? Pull your data out first and confirm the replacement imports it without loss. Make sure the workflows you depend on are covered, run a short trial before committing, and keep Crater live as a fallback until you're settled. Many tools here offer a free path to test.

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].