Invoice Ninja vs Kolleno: Which Accounting Software Is Better in 2026?
Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction, side by side, with no marketing spin.
The Short Answer
Invoice Ninja vs Kolleno, in 15 seconds
Choose Invoice Ninja if…
- You want the lower entry price
- You need a genuinely free plan
- You depend on a broad integration ecosystem
- You have strict security & compliance needs
Choose Kolleno if…
- You prefer Kolleno's approach and ecosystem
Head-to-Head Scorecard
How Invoice Ninja and Kolleno score
Invoice Ninja leads on 6 of 9 measured dimensions.
- Even
Customer Rating
Average score from verified user reviews
InvoiceNo reviewsKollenoNo reviews - Even
Review Volume
Number of verified reviews, a proxy for adoption
Invoice0Kolleno0 - Invoice Ninja
Entry Pricing
Lowest published starting price (free plan = lowest)
Invoice$0/moKollenoCustom - Invoice Ninja
Free Access
Availability of a free plan and/or free trial
InvoiceFree plan + trialKollenoFree trial - Invoice Ninja
Integrations
Number of listed third-party integrations
Invoice8Kolleno6 - Invoice Ninja
Features
Number of listed product capabilities
Invoice8Kolleno0 - Even
AI Features
Capabilities mentioning AI, automation or ML
Invoice,Kolleno, - Invoice Ninja
Security & Compliance
Number of listed compliance certifications
Invoice3Kolleno2 - Invoice Ninja
Platforms & Deployment
Supported platforms and deployment options
Invoice7Kolleno4
Feature Comparison
Invoice Ninja vs Kolleno feature breakdown
Search or filter the full feature matrix, core features, AI, integrations, APIs, security and compliance.
Invoice Ninja
KollenoPricing Comparison
Invoice Ninja vs Kolleno pricing
Entry pricing, plan tiers and the cost factors that shape total cost of ownership.
Invoice Ninja
$0/mo to start- 5 clients
- Unlimited invoices
- Quotes and payments
- Expense tracking
- 1 user
- Unlimited clients
- Recurring invoices
- Custom branding
- Free open source
- Server hosting only
- Full features
- 40 dollars per year white-label
Kolleno
Custom to start- collections workflows
- Integrations
- Analytics and reporting
- Standard support
- Everything in Professional
- reconciliation
- Dedicated support and onboarding
- Advanced security and controls
Total cost of ownership factors
Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.
Pros & Cons
Invoice Ninja vs Kolleno: strengths and trade-offs
Invoice Ninja
Pros
- Free plan available
- Free trial offered
- Broad integration ecosystem (8)
- Compliance: GDPR, PCI DSS, SOC 2
- Public API available
Cons
Kolleno
Pros
- Free trial offered
- Compliance: SOC 2, GDPR
- Public API available
Cons
- No free plan
- Pricing is quote-based (less transparent)
- Fewer native integrations than the alternative
Buyer Fit
Who should use Invoice Ninja vs Kolleno?
Startups
Invoice Ninja
Invoice Ninja keeps early-stage costs lowest with its entry tier.
Small businesses
Invoice Ninja
Invoice Ninja offers the most accessible pricing for lean teams.
Agencies
Invoice Ninja
Invoice Ninja connects to more tools for multi-client workflows.
Enterprises
Invoice Ninja
Invoice Ninja leads on compliance and breadth for complex needs.
Ecommerce
Invoice Ninja
Invoice Ninja integrates with more of the commerce stack.
SaaS companies
Invoice Ninja
Invoice Ninja is the more developer- and automation-friendly choice.
Integration overlap
Only in Invoice Ninja (8)
Only in Kolleno (6)
Keep Exploring
Other alternatives worth considering
Similar accounting software products buyers compare alongside Invoice Ninja and Kolleno.
Ask SIA which solution fits your business
SIA, Saaskart's AI buying assistant, weighs Invoice Ninja and Kolleno against your team size, budget, integrations and compliance needs, then recommends the right fit and the questions to ask each vendor.
Get a personalised recommendationInvoice Ninja vs Kolleno, Frequently Asked Questions
What is the difference between Invoice Ninja and Kolleno?
Invoice Ninja and Kolleno are both Accounting Software solutions. Invoice Ninja is rated 0.0/5 by 0 users, while Kolleno is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.
Which is better, Invoice Ninja or Kolleno?
Based on user ratings, Invoice Ninja scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.
Which is cheaper, Invoice Ninja or Kolleno?
Invoice Ninja is the more affordable option, starting at $0/month.
Does Invoice Ninja or Kolleno have a free plan?
Invoice Ninja offers a free plan. Kolleno does not have a free tier but does offer a free trial.
Can I switch from Invoice Ninja to Kolleno?
Switching between Invoice Ninja and Kolleno is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.
Who should use Invoice Ninja vs Kolleno?
Invoice Ninja is best suited for teams that prioritise enterprise features. Kolleno works well for teams needing advanced capabilities.
Our Verdict
The bottom line on Invoice Ninja vs Kolleno
Best Overall
Either
It's a tie balances user satisfaction and proven adoption.
Best for Startups
Invoice Ninja
Invoice Ninja has the friendliest entry point for new teams.
Best for Enterprise
Invoice Ninja
Invoice Ninja leads on compliance and feature breadth.
Best Value
Invoice Ninja
Invoice Ninja delivers the lowest cost to get started.
Best AI Features
Either
Comparable AI capabilities on both sides.
Highest Rated
Either
Both earn equal user ratings.