One of the biggest myths about AI tools is that they're expensive. In reality, many of the best AI tools offer genuinely useful free plans — not just 7-day trials, but permanent free tiers that can run a small business.
Here are the best free AI tools across every category, with honest notes on what you get for free and when you might need to upgrade.
Writing & Content
Copy.ai — Free
What you get: 2,000 words per month, 90+ templates, brand voice features
When to upgrade: If you need more than 2,000 words/month (paid plans from £36/month)
Best for: Social media captions, short-form marketing copy, email subject lines
Grammarly — Free
What you get: Grammar and spelling checking, tone detection, basic writing suggestions across all your apps
When to upgrade: If you want advanced style suggestions, plagiarism detection, or team features
Best for: Everyone who writes emails, documents, or social media posts
Design & Creative
Canva — Free
What you get: 250,000+ templates, basic AI features (Magic Write, background remover), 5GB storage
When to upgrade: If you need brand kits, premium templates, or team collaboration (Pro from £10/month)
Best for: Social media graphics, presentations, basic marketing materials
CRM & Sales
HubSpot CRM — Free
What you get: Unlimited contacts, deal tracking, email tracking, meeting scheduler, basic reporting
When to upgrade: If you need marketing automation, advanced reporting, or AI features (Starter from £18/month)
Best for: Any small business that needs to track leads and customers
Customer Support
Tidio — Free
What you get: Live chat, basic chatbot builder, 50 conversations/month with Lyro AI
When to upgrade: If you need more AI conversations or advanced automation (from £29/month)
Best for: Small websites and online stores that want instant customer support
Crisp — Free
What you get: Live chat, shared inbox for 2 operators, basic chatbot
When to upgrade: If you need more operators, advanced chatbot, or CRM features (from £25/month)
Best for: Startups and micro-businesses wanting a simple support solution
Accounting & Finance
Wave — Free (forever)
What you get: Full accounting software, invoicing, receipt scanning, financial reporting
When to upgrade: Wave's core accounting is always free. You only pay if you want payroll (from £20/month) or payment processing
Best for: Freelancers and micro-businesses who want proper accounting without paying for it
Productivity
Notion — Free
What you get: Unlimited pages, basic AI features, sharing with up to 10 guests
When to upgrade: If you need full AI features, unlimited file uploads, or team workspaces (from £8/month)
Best for: Organising notes, projects, and documents in one place
Clockify — Free
What you get: Unlimited time tracking, unlimited users, basic reporting
When to upgrade: If you need advanced reporting, time-off tracking, or invoicing (from £4/user/month)
Best for: Freelancers and agencies who need to track billable hours
Automation
Zapier — Free
What you get: 100 tasks/month, 5 single-step automations (Zaps)
When to upgrade: If you need more tasks or multi-step automations (from £16/month)
Best for: Connecting two apps together with simple automations
Make — Free
What you get: 1,000 operations/month, 2 active scenarios
When to upgrade: If you need more operations or complex workflows (from £8/month)
Best for: More complex automations than Zapier's free tier allows
The Realistic Free Stack
Here's what a complete AI-powered business setup looks like using only free plans:
- •CRM: HubSpot Free (track leads and customers)
- •Writing: Copy.ai Free + Grammarly Free (create and polish content)
- •Design: Canva Free (social media graphics and marketing materials)
- •Support: Tidio Free (AI chatbot on your website)
- •Accounting: Wave Free (bookkeeping and invoicing)
- •Productivity: Notion Free (notes, projects, documents)
- •Automation: Zapier Free (connect your tools together)
Total monthly cost: £0
That's a genuinely capable business toolkit for zero pounds. You'll eventually outgrow some of these free tiers as your business grows, but by then you'll have revenue to justify the upgrades.
The Bottom Line
Start free, prove the value, then upgrade where it matters. Every tool on this list has a free plan that's useful enough to run a real business — not just a teaser to get you to pay. Try them, see what saves you time, and only spend money when you've outgrown the free tier.
Found this helpful?
Share it with other business owners
Ready to find the right AI tools?
Explore our curated directory of the best AI solutions for UK SMBs, complete with honest reviews and comparisons.
