Aiwyn vs Ignition
Aiwyn
CPA and accounting firms, from independent to private-equity-backed; customers include roughly half of the IPA Top 500
2020; Charlotte, North Carolina, US
Ignition
Accounting, tax and bookkeeping firms, agencies, consultants and other professional services businesses, from solo practitioners to multi-office firms
Founded 2013 in Australia; office in Sydney
Aiwyn and Ignition both give accounting firms engagement letters, billing and payment collection in one platform.
Aiwyn, founded in Charlotte, North Carolina in 2020, serves 800+ US CPA firms, including roughly half of the IPA Top 500, and adds practice management and AI tax preparation; Ignition, founded in Australia in 2013, serves 8,500+ accounting, tax and bookkeeping firms and other professional services businesses, from solo practitioners to multi-office firms.
Aiwyn vs Ignition: side by side
“Not published” means the vendor does not state it.
| Aiwyn | Ignition | |
|---|---|---|
| What it does | Payments and collections, practice management (time, billing, projects, resource planning), a client portal with engagement letters, and AI tax preparation for accounting firms | Proposals, contracts and engagement letters, invoicing, billing and payment collection, with workflow automation and AI price insights |
| Best for | CPA and accounting firms, from independent to private-equity-backed; customers include roughly half of the IPA Top 500 | Accounting, tax and bookkeeping firms, agencies, consultants and other professional services businesses, from solo practitioners to multi-office firms |
| Founded and HQ | 2020; Charlotte, North Carolina, US | Founded 2013 in Australia; office in Sydney |
| Ownership and funding | Private; US$132m raised from Bessemer Venture Partners and KKR across 2024 and 2025, including a US$113m round (Dec 2024) | Not published |
| Customers or users | 840 accounting firms at end of 2025 (800+ today), including roughly half of the IPA Top 500; over 625,000 annual end users | 8,500+ customers; 2.4 million+ clients engaged; US$13bn+ revenue earned by customers through it |
| Pricing | Not published | US: Core US$99, Pro US$229 and Pro+ US$399 a month billed annually (US$149, US$279 and US$499 monthly); Solo from US$39 a month for solo practitioners under US$150k revenue; Enterprise on request; 14-day free trial |
| Deployment and markets | Cloud-native platform for US accounting firms (ACH and card payments, IRS e-file) | Staff in Australia, New Zealand, the US, the UK and Ireland, Canada and the Philippines; US pricing published |
Main differences
Aiwyn serves CPA firms, from independents to private-equity-backed firms; Ignition serves accounting, tax and bookkeeping firms as well as agencies and consultants.
Aiwyn adds time, billing, projects, resource planning and AI tax preparation; Ignition centres on proposals, engagement letters, invoicing and payment collection, with workflow automation.
Ignition publishes US prices from US$39 a month for solo practitioners to US$399 a month for Pro+ billed annually; Aiwyn does not publish prices.
Aiwyn is built for US firms, with ACH payments and IRS e-file; Ignition has staff in Australia, New Zealand, the US, the UK and Ireland, Canada and the Philippines.
Which to choose
Choose Aiwyn if
- You are a US CPA firm that wants payments, practice management and tax preparation from one vendor
Choose Ignition if
- You want published prices, a 14-day free trial, or a tool that also suits a solo practice
Compare further
Common questions
What is the difference between Aiwyn and Ignition?+
Aiwyn covers payments and collections, practice management (time, billing, projects and resource planning), a client portal with engagement letters, and AI tax preparation for accounting firms. Ignition covers proposals, contracts and engagement letters, invoicing, billing and payment collection, with workflow automation and AI price insights.
How much do Aiwyn and Ignition cost?+
Ignition's US plans cost US$99 (Core), US$229 (Pro) and US$399 (Pro+) a month billed annually, or US$149, US$279 and US$499 billed monthly; Solo starts at US$39 a month for practitioners under US$150k revenue, Enterprise is on request and there is a 14-day free trial. Aiwyn does not publish prices.
How many firms use Aiwyn and Ignition?+
Aiwyn had 840 accounting firms at the end of 2025, including roughly half of the IPA Top 500, with over 625,000 annual end users. Ignition has 8,500+ customers, who have engaged 2.4 million+ clients through it.
Part of Accountio’s accounting technology coverage.
