AppSignal vs PostHog
Updated June 2026 · A structured head-to-head comparison.
The verdict
Both AppSignal and PostHog are credible error tracking tools, and the right pick comes down to your priorities.
AppSignal - Error tracking and performance monitoring in one
Choose PostHog if you'd rather have a free plan to start on. The open-source product OS.
AppSignal vs PostHog: side by side
| Dimension | AppSignal | PostHog |
|---|---|---|
| Starting price | Free | Free |
| Free plan | No | YesWinner |
| Pricing model | Subscription | Freemium |
| Best for | Developers, Small Teams | Startups, Product Teams, Developers |
| Platforms | Web, Api | Web, Self Hosted, Api |
| Rating | 4.6/5 | 4.7/5 |
AppSignal key facts
- Vendor
- AppSignal
- Pricing
- Subscription - Free
- Free tier
- No
- Platforms
- Web, Api
- Best for
- Developers, Small Teams
- Editor rating
- 4.6 / 5
- Founded
- 2013
- Headquarters
- Amsterdam, Netherlands
PostHog key facts
- Vendor
- PostHog
- Pricing
- Freemium - Free
- Free tier
- Yes
- Platforms
- Web, Self Hosted, Api
- Best for
- Startups, Product Teams, Developers
- Editor rating
- 4.7 / 5
- Founded
- 2020
- Headquarters
- San Francisco, CA, USA
Frequently asked questions
Is AppSignal better than PostHog?
Neither is universally better - PostHog edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is AppSignal or PostHog cheaper?
AppSignal is the more affordable of the two to get started, at free. AppSignal starts at free; PostHog starts at free.
Can AppSignal replace PostHog?
Yes for most teams - both are error tracking tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.