Fondo
Bookkeeping, tax, and tax credits for startups
Rainex
Your ideal billing and subscription management system!
Updated February 2026
| Fondo | Rainex | |
|---|---|---|
| Rating | 5.0★ | 4.8★ |
| Reviews | 9 | 5 |
| Pros | 10 | 0 |
| FactScore™ | 50 | 37.4 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Fondo — Pros
Responsive team Tax services Bookkeeping services Helpful support Easy to use Tax credit services Accommodating payment options High touch service QBO integration Startup focusedBoth tools — Pros
—Only in Rainex — Pros
No unique pros listedOnly in Fondo — Cons
Manual document managementBoth tools — Cons
—Only in Rainex — Cons
—Details
| Fondo | Rainex | |
|---|---|---|
| Categories | Accounting software, Tax preparation, Startup financial planning | Accounting software, Invoicing tools, Payment processors |
| Platforms | Web | Web |
| Became Popular | August 25, 2022 | January 9, 2024 |
| Website | tryfondo.com | rainex.io |
Who Should Pick Which?
Choose Fondo if...
- Responsive team
- Tax services
- Bookkeeping services
Choose Rainex if...
- No unique pros listed
With a FactScore™ of 50 vs 37.4, Fondo leads in community reception. Fondo uniquely offers Responsive team and Tax services, while Rainex stands out for No unique pros listed.
What Users Say
Fondo
Shoutout to Fondo for their incredible bookkeeping, tax, and tax credit services for startups. Fondo has been super helpful, especially during difficult situations. Their team’s eagerness to assist...
Just started using this (filed DE franchise tax with them), but the experience so far has been great. Very easy to use and intuitive, especially for the price.
Fondo makes my life easy. I set it up one time, and they email me when they need something from me. That's it. Taxes done and dusted.
Rainex
A very promising tool 😎 especially for quick invoices and simple subscriptions.
Rainex is an exceptional subscription management tool that offers a plethora of features, making it an absolute game-changer. If you are someone who pays attention to the smallest details, this pla...
Creates smooth transactions with subscribers, great for coaching clients and other subscriptions.
Related Comparisons
Frequently Asked Questions
Which is better, Fondo or Rainex?
Based on FactScore™, Fondo leads with a score of 50 vs 37.4. Fondo has a higher rating of 5.0★ compared to 4.8★.
What are the pros of Fondo compared to Rainex?
Fondo uniquely offers: Responsive team, Tax services, Bookkeeping services, Helpful support, Easy to use.
What are the pros of Rainex compared to Fondo?
Rainex uniquely offers: No unique pros listed.
Is Fondo better rated than Rainex?
Fondo is rated 5.0★ from 9 reviews. Rainex is rated 4.8★ from 5 reviews.
What is the FactScore™ of Fondo and Rainex?
FactScore™ weighs rating and review volume together. Fondo scores 50 and Rainex scores 37.4.
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