Best PostHog alternatives for session replay
PostHog is a strong choice when you want product analytics, flags, and replay in one platform. Look here only if you want a smaller replay-focused tool.
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Platform versus a single job
Replacing PostHog entirely is the wrong frame if you still need analytics and flags. A Replayly alternative only covers the session replay slice.
How Replayly compares to PostHog
| Topic | Replayly | PostHog |
|---|---|---|
| Hosting | Hosted workspace; choose an EU or US storage region | PostHog Cloud, or self-host PostHog; confirm current options on their site |
| Privacy defaults | Input masking and Do Not Track on from the first snippet | Privacy and recording controls in the PostHog product; confirm current defaults on their site |
| Pricing | Free tier, then Starter $29, Pro $79, Business $199 / mo | Usage-based and plan packaging in a broader suite. Check PostHog's pricing page |
| Heatmaps | Click and scroll heatmaps on Pro and Business | Session replay plus analytics, experiments, and related tools |
| Product focus | Replay, heatmaps, privacy, and a small operational surface | A product OS: analytics, replay, flags, and more |
| Source | Replayly is a hosted product; we do not offer an open-source deploy | Open-source platform with a large feature surface and its own operations cost |
A platform versus a single job
PostHog is a broad product-analytics platform that includes session replay and can be self-hosted. That is a strong choice when you want analytics, flags, experiments, and replay in one system. Looking for a PostHog alternative only for session replay usually means you do not want to adopt or operate that whole platform.
Replayly is a smaller product that only does session replay and heatmaps, with privacy defaults on from the first snippet. Replayly is hosted only — you can choose an EU or US storage region, but you cannot self-host it — so a simple 'they both self-host' comparison is not accurate. The difference is scope: Replayly will not give you feature flags or a general analytics suite.
Pricing is not a slogan. Replayly uses published monthly plans. PostHog pricing is tied to a broader platform and usage; compare your expected volume on PostHog's current pricing page rather than a frozen third-party figure. Either can be cheaper depending on what you enable.
Stay on PostHog if you already want or have that wider platform. Consider OpenReplay if you want a self-hostable recorder, or a hosted tool such as Clarity if you want another hosted option.
Why some teams still pick the smaller recorder
Operating a product OS is a real cost, even when the software can be self-hosted. Some teams only needed a tape of the visit, conservative masking, and a dashboard their support folks can open. For them, Replayly is less to run and easier to explain in a privacy review.
If you already instrument PostHog for product analytics, adding a second recorder may be unnecessary. If you have not adopted the platform and only need replay, starting with a focused tool avoids a larger migration later in the other direction. The Replayly versus PostHog page holds the table; this page is about that scope decision.
Options worth considering
Replayly
A small privacy-first hosted session replay product, without the rest of a product-analytics platform.
Stay on PostHog
The better fit when you already want (or have) analytics, flags, and replay in one system.
OpenReplay
Open-source session replay you can self-host, focused on recordings rather than a full product OS.
A hosted replay tool
Clarity, Hotjar, or similar hosted products if you do not want to operate anything yourself.
Compare Replayly directly in Replayly vs PostHog, or review Replayly pricing.