FreeAgent vs Klaviyo
A detailed, side-by-side comparison of FreeAgent and Klaviyo. We compare features, pricing, ease of use, and value for money to help you make the right choice in 2026.
Reviewed by the Ikaroa team · Last updated: March 2026
Quick Verdict
Klaviyo edges ahead overall with a rating of 4.5/5. However, FreeAgent (4.2/5) may be the better fit if you prioritise UK freelancers, contractors, and NatWest business banking customers. Read on for the full breakdown.
FreeAgent vs Klaviyo at a Glance
FreeAgent
★ 4.2FreeAgent is a UK accounting platform beloved by freelancers, contractors, and small business owners. Owned by NatWest Group, it is offered free to NatWest, Royal Bank of Scotland, and Ulster Bank business account holders. It handles invoicing, time tracking, expenses, tax, and project management with a focus on making accounting approachable.
Starting from: £24/month
Best for: UK freelancers, contractors, and NatWest business banking customers
Read full review →Klaviyo
★ 4.5Klaviyo is the email and SMS marketing platform of choice for e-commerce businesses. Deeply integrated with Shopify, WooCommerce, and other e-commerce platforms, it uses customer data to power highly personalised email and SMS campaigns that drive revenue. Known for its powerful segmentation, predictive analytics, and revenue attribution.
Starting from: £0/month
Best for: E-commerce businesses wanting data-driven email and SMS marketing
Read full review →FreeAgent vs Klaviyo Feature Comparison
Here is how FreeAgent and Klaviyo compare across the features that matter most. We have tested both platforms extensively across client implementations.
| Feature | FreeAgent | Klaviyo |
|---|---|---|
| Free Plan Available | No | Yes |
| Starting Price | £24/month | £0/month |
| Best For | UK freelancers, contractors, and NatWest business banking customers | E-commerce businesses wanting data-driven email and SMS marketing |
| Our Rating | 4.2/5 | 4.5/5 |
| Mobile App | Limited | Limited |
| Email Marketing | No | No |
| Automation | Limited | Yes |
| Reporting | Basic | Basic |
| Integrations | Limited | Limited |
| API Access | Limited | Limited |
| Ikaroa Exclusive Discount | N/A | N/A |
FreeAgent vs Klaviyo Pricing
Pricing is often the deciding factor. Here is a full breakdown of what each platform charges at every tier:
FreeAgent Pricing
FreeAgent
£24/month
- ✓Unlimited invoices
- ✓Unlimited users
- ✓Expense management
- ✓VAT returns
- ✓Self-assessment
Free with NatWest
£0/month
- ✓All features included
- ✓Free for NatWest/RBS/Ulster Bank business customers
Klaviyo Pricing
Free
£0/month
- ✓250 contacts
- ✓500 email sends
- ✓150 SMS credits
- ✓Core features
£16/month
- ✓500 contacts
- ✓5,000 emails
- ✓A/B testing
- ✓Automation flows
Email & SMS
£52/month
- ✓500 contacts
- ✓5,000 emails
- ✓1,250 SMS credits
- ✓Automated SMS flows
Not sure which to pick?
Our team has implemented both FreeAgent and Klaviyo for clients. We can help you decide based on your specific needs.
FreeAgent Pros and Cons
✓Pros
- •Free for NatWest/RBS business banking customers
- •Excellent for freelancers and contractors
- •Built-in self-assessment tax filing
- •Time tracking and project management included
- •Clean, friendly interface
✗Cons
- •Only one pricing tier (can be expensive if not a NatWest customer)
- •Limited inventory management
- •Fewer integrations than Xero
- •Not ideal for larger or more complex businesses
- •Reporting is basic compared to QuickBooks
Klaviyo Pros and Cons
✓Pros
- •Best-in-class e-commerce integrations
- •Powerful predictive analytics and segmentation
- •Excellent revenue attribution reporting
- •Deep Shopify integration
- •Strong template library for e-commerce
✗Cons
- •Expensive as contact list grows
- •Steep learning curve for beginners
- •Overkill for non-e-commerce businesses
- •Free plan is very limited
- •SMS pricing can add up quickly
Our Verdict: FreeAgent vs Klaviyo
Both FreeAgent and Klaviyo are solid options, but they serve different needs. Having implemented both for multiple clients, here is our recommendation:
Choose FreeAgent if you need UK freelancers, contractors, and NatWest business banking customers. With a starting price of £24/month and a rating of 4.2/5, it offers free for natwest/rbs business banking customers.
Choose Klaviyo if you need E-commerce businesses wanting data-driven email and SMS marketing. Starting at £0/month with a 4.5/5 rating, it excels at best-in-class e-commerce integrations.
Still not sure? Talk to the Ikaroa team. We have helped hundreds of businesses make this exact decision, and we are happy to point you in the right direction.
🎁 Get either product at a discount through Ikaroa Partners
Consider Open Doors Instead
Why choose between FreeAgent and Klaviyo? Open Doors gives you the best features of both in one platform, for less. It is an all-in-one CRM with email marketing, SMS, funnels, booking, invoicing, automation, and more, starting at just £97/month with unlimited contacts.
Need implementation help?
Ikaroa can set up FreeAgent or Klaviyo for your business, migrate your data, and train your team. We have done it dozens of times.
Free consultation. No obligation.