Commerce · alternatives · 2026
24 alternatives to Tax Terrapin
AI tax advisor in the UK
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Tax Terrapin launched in 2023; newer entries below may have overtaken it.
- 1
- 2
- 3
- 4
TaxZap▲81File your UK Self Assessment in 15 minutes with AI
Apr 2026 · taxzap.com · its alternatives →
- 5
Add me to your Slack and I'll get your taxes filed for you!
2017 · its alternatives →
- 6
- 7
- 8
- 9
- 10
The biggest chatbot template repository in the galaxy
2019 · its alternatives →
- 11BA
It works on top of the open-source workflow engine windmill [1] that you can easily self-host on a tiny server or a large k8s cluster. You will also need pgvector (here hosted on supabase) and of course a GPT4 api key. It showcases an approval step so that you only provide answers you are confident giving to your users, which feels less robotic. All the building blocks are scripts that you can reuse outside of windmill and you could build this in any other workflow engines (although less conveniently). We use it for our own needs on discord [2] and thoughts this was a common need for any…
2023 · windmill.dev · its alternatives →
- 12
HeyApril AI▲46Taxes without guesswork. AI cheat codes for what comes next.
Feb 2026 · heyapril.ai · its alternatives →
- 13
Answers privacy questions with info pulled from your policy
2020 · its alternatives →
- 14
- 15
- 16
- 17
- 18
AI for tax research, client insights, and document review
2025 · taxstackai.com · its alternatives →
- 19
boring.legal▲10Compliant AI-first Tax & Accounting Services for German SMEs
2025 · its alternatives →
- 20
- 21
- 22
- 23
AI-Powered Expense Tracker
2025 · tryfreddy.netlify.app · its alternatives →
- 24
Also compare
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 →