Rejourney: Know About Friction First

Rejourney: Know About Friction First

Lightweight Mobile Observability & Session Replay

M
@mrashiddev
Published on Feb 24, 2026
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About Rejourney: Know About Friction First

Rejourney is a open source, self-hostable/hosted observability tool for mobile apps. Foucs on lightweight and performance. In ONLY 3 Lines of code: - True FPS Video playback capturing every glitch. Works with maps, advanced graphics, and every view. - Live Incident Stream - Full Thread Dump analysis for every issue. - Visualize how users navigate your app. Identify high-friction drop-off points and optimize your conversion funnel. - Monitor performance and stability across different regions. Spot infrastructure issues before they affect your global audience. - Smart Notification Triggers based on severity & IAM role access for alerts -Auto text input and camera masking for privacy This tool is part of a 12-week effort to design a lightweight Sentry.io alternative that has 70% of the features -- including pixel perfect session replay (not dom based replay) -- for a much smaller unpacked size. Rejourney is 1.65 mb unpacked while Sentry is around 7.1 mb. Frame time performance is very comparable, but Rejourney performs better visually due to the heuristic logic that instructs capture on moments of stillness making the package nearly impossible to notice for end-users. Our benchmarks are in our read me. The package is starting with a stable release, as we don't expect to have any breaking changes (beyond deprecation) in our road-map. We are also a team of 3 and we expect to have frequent updates -- especially if the community opens issues or feature requests.

Product Insights

Rejourney offers an open-source mobile observability platform specializing in high-fidelity session replays and incident analysis for developers and startups. The tool emphasizes a lightweight 1.65 MB footprint for monitoring performance and user friction on mobile platforms.

  • True FPS video playback captures exact visual glitches, including maps and advanced graphics.
  • Small 1.65 MB unpacked size compared to larger industry standard alternatives.
  • Integrated privacy features include auto text input and camera masking.
  • Full thread dump analysis and live incident streams for debugging issues.

Ideal for: Developers, QA Engineers, and Startups need a lightweight, self-hostable mobile monitoring solution to optimize conversion funnels and track stability.

Compared to standard monitoring tools like Sentry, Rejourney offers a smaller 1.65 MB unpacked size and uses heuristic capture logic to maintain visual fidelity without affecting performance.

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