Swimm
A documentation tool built for developers
Thunder Client
Hand-crafted lightweight Rest client for testing APIs
Updated February 2026
| Swimm | Thunder Client | |
|---|---|---|
| Rating | 5.0★ | 4.4★ |
| Reviews | 7 | 16 |
| Pros | 9 | 5 |
| FactScore™ | 45.2 | 54.1 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Swimm — Pros
Up-to-date documentation Developer workflow integration Documentation maintenance Knowledge management AI documentation generation Code snippet explanations Code synchronization Documentation accessibility Documentation notificationsBoth tools — Pros
—Only in Thunder Client — Pros
VSCode integration Easy to use Replaces Postman Remote API calls Swagger file importOnly in Swimm — Cons
—Both tools — Cons
—Only in Thunder Client — Cons
Free tier limitations Closed source Deletes collections on rollback Missing Git integrationDetails
| Swimm | Thunder Client | |
|---|---|---|
| Categories | Note and writing apps, Knowledge base software, Code editors | Code editors, Testing and QA software |
| Platforms | Web | Web |
| Became Popular | January 17, 2023 | March 31, 2021 |
| Website | swimm.io | www.thunderclient.com |
Who Should Pick Which?
Choose Swimm if...
- Up-to-date documentation
- Developer workflow integration
- Documentation maintenance
Choose Thunder Client if...
- VSCode integration
- Easy to use
- Replaces Postman
With a FactScore™ of 45.2 vs 54.1, Thunder Client leads in community reception. Swimm uniquely offers Up-to-date documentation and Developer workflow integration, while Thunder Client stands out for VSCode integration and Easy to use.
What Users Say
Swimm
Amazing work guys! I love how Swimm helps eliminate the need for writing in-depth explanations of developer knowledge and that I can generate explanations of code snippets, effortlessly.
Great product that brings developers to the forefront of documentation and therefore plays a big role in keeping it up to date.
Simplifies documentation so much! Sharing this with all my dev friends
Thunder Client
Great user experience as it is similar to other http clients. Was missing easy github integration for collaboration with the rest of the team.
Excellent VSCode Plugin! I love to work and debug with it!
It's an lovely app
Related Comparisons
Frequently Asked Questions
Which is better, Swimm or Thunder Client?
Based on FactScore™, Thunder Client leads with a score of 54.1 vs 45.2. Thunder Client has a higher rating of 4.4★ compared to 5.0★.
What are the pros of Swimm compared to Thunder Client?
Swimm uniquely offers: Up-to-date documentation, Developer workflow integration, Documentation maintenance, Knowledge management, AI documentation generation.
What are the pros of Thunder Client compared to Swimm?
Thunder Client uniquely offers: VSCode integration, Easy to use, Replaces Postman, Remote API calls, Swagger file import.
Is Swimm better rated than Thunder Client?
Swimm is rated 5.0★ from 7 reviews. Thunder Client is rated 4.4★ from 16 reviews.
What is the FactScore™ of Swimm and Thunder Client?
FactScore™ weighs rating and review volume together. Swimm scores 45.2 and Thunder Client scores 54.1.
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