Marker.io Alternative: Klavity (Free Bug Reporting + AI Sims That Catch Regressions Before Clients Do)
Klavity is a free alternative to Marker.io for website bug reporting — and it does something Marker.io can't. Klavity's Snap captures bugs with full console logs, network requests, session replay and repro context, and sends them straight to Jira, Linear, GitHub or Plane — on a free plan with unlimited seats. Then Klavity goes further: AI Sims (personas built from real customer calls) proactively review your pages and catch regressions and friction before clients hit them. Marker.io waits for someone to notice a bug; Klavity finds them for you. Free to start, and open-core.
Why teams look for a Marker.io alternative
Marker.io is a genuinely good, mature product. These are the reasons people actually go shopping for something else — each one checked against Marker.io's own published pricing and documentation rather than repeated from a listicle.
- Price, and no free plan. Marker.io has no free tier — only a 15-day trial. Starter is $59/mo billed monthly ($39/mo billed annually) for 3 users, and Team is $199/mo billed monthly ($149/mo annually) for 15 users.
- Two-way issue sync sits on the higher tier. Starter does not include two-way sync with Jira, GitHub, GitLab, Linear, Azure DevOps or Bitbucket — you need Team for that. For a lot of buyers, two-way sync is the product.
- Seats and project caps both meter you. Plans cap active projects (10 on Starter, 50 on Team) and charge per extra user ($4–$6/mo each). Agencies juggling many client sites and many collaborators feel this from both directions.
One myth worth killing, because we'd rather be accurate than flattering to ourselves: you'll see it claimed that Marker.io forces your clients to create accounts. That isn't true. Marker.io guest reporters submit through the widget without an account, exactly like Klavity's. It's not a reason to switch.
Klavity vs Marker.io: honest comparison
Where Marker.io is better, the table says so. Every Klavity row below describes something that ships today — nothing here is a roadmap promise.
| Feature | Klavity | Marker.io |
|---|---|---|
| Free plan | Yes — free Snap bug reporter | No — 15-day trial only |
| Entry price | $49/mo (Solo) | $59/mo monthly / $39 annual (Starter, 3 users) |
| Team price | $249/mo | $199/mo monthly / $149 annual (15 users) |
| Pricing model | Flat tier, unlimited seats and reporters | Per-seat overage ($4–$6/user) plus active-project caps (10 / 50) |
| Bug capture (screenshot + console + network + repro) | Yes | Yes |
| Session replay attached to the report | Yes — rolling ~60s buffer, on every plan including free | Yes — Team plan and up (not on Starter) |
| Client needs an account to report | No — widget / right-click | No — guest reporters need no account |
| Files into Jira / Linear / GitHub / Plane | Yes — native, on every plan | Yes — two-way sync requires Team |
| GitLab / Azure DevOps / Bitbucket | No — webhook only | Yes |
| SSO and enterprise controls | No | Yes — on the Business plan |
| AI catches regressions before clients do (Sims) | Yes | No |
| Autonomous journey replay + regression filing (AutoSim) | Yes | No |
| Open-core / self-host | Yes — FSL-1.1, converts to Apache-2.0 | No — closed SaaS |
Marker.io pricing and feature tiers checked against marker.io/pricing and help.marker.io on 19 July 2026. Vendors change pricing; check theirs before you buy. Klavity's own plans are on our pricing page.
Which one should you actually pick?
We'd rather you land on the right tool than churn off ours in a month. Here's the genuine split.
When Marker.io is the better buy
- Your tracker is GitLab, Azure DevOps or Bitbucket. Klavity doesn't integrate with those natively today. This one is disqualifying, and it's the most common reason to stay.
- You need SSO or enterprise governance for procurement or security review. Klavity doesn't offer SSO.
- You want a long-established, heavily polished client-review workflow and you're not price-sensitive. Marker.io has years of refinement in its guest and UAT flows.
- You want a mature vendor with a long support track record more than you want a new AI capability.
When Klavity is the better buy
- You want a free bug button with no per-seat or per-project squeeze — unlimited seats and reporters, session replay and console capture included on the free plan.
- You run many client sites. No active-project caps, so an agency can put Snap on every site without the bill scaling with the roster.
- You want regressions caught before clients notice. Sims review your pages as real customer personas and file what they hit. Marker.io has no equivalent.
- You want regressions caught automatically. AutoSim replays English-authored journeys and files what broke.
- You want open-core control and the option to self-host.
Three teams this fits
1. An agency running many client sites
Put free Snap on every client site. No active-project cap, no per-project fee, and clients report without an account. Reports land in whichever tracker that client's team already lives in.
2. A solo dev-founder with no QA function
Nobody is testing your app but you. Sims review your pages as your actual customer personas, and AutoSim re-walks your critical journeys so regressions get filed before a user finds them.
3. A team on Linear or GitHub that hates context-switching
Bugs arrive already grounded — screenshot, console, network, session replay, repro URL — filed directly into the tracker you already use. Nobody opens a second dashboard.
Frequently asked questions
Is Klavity really free?
Yes. The Snap bug reporter has a free plan with unlimited seats and reporters, and it includes session replay and console capture. Paid tiers ($49 Solo, $249 Team) add the AI layer — Sims and AutoSim guarded flows. See pricing.
Does Klavity replace Marker.io?
For the core bug-button job — capture a bug with screenshot, console, network and session replay and file it into your tracker — yes, and on the free plan. Klavity also adds an AI QA layer Marker.io doesn't have. Marker.io still leads on integration breadth (GitLab, Azure DevOps, Bitbucket) and enterprise controls like SSO.
Do my clients need an account to report a bug?
No. Klavity Snap is a widget and right-click menu, so anyone on the page can file a report without logging in. To be fair to Marker.io, its guest reporters don't need an account either — this isn't a difference between the two tools, whatever comparison posts tell you.
Can I keep using Jira, Linear or GitHub?
Yes. Klavity files reports directly into Jira, Linear, GitHub and Plane, and can post to any webhook. Klavity does not currently integrate with GitLab, Azure DevOps or Bitbucket, which Marker.io does support.
Does Klavity have session replay?
Yes. Klavity records a rolling buffer of roughly the last 60 seconds of DOM activity and attaches it to the bug report, replayable in the dashboard. Inputs and text are masked by default. It's included on every plan, free included. Marker.io also includes session replay on all its paid plans — so this is parity, not a reason to pick either one.
What is a Sim?
A Sim is an AI persona built from real customer calls and transcripts. Sims review your pages the way that customer would, and catch bugs and friction before clients hit them. Marker.io waits for a human to notice a problem; Sims go looking. Read more about Sims.
Try both jobs for free
Install the free Snap bug reporter on your site, then let a Sim scan a page and tell you what it found that nobody reported. No credit card, no trial clock.