Who is Seline for?
Start with the lowest tier that covers your combined event forecast, leaving room for campaigns and repeat actions. Seline is a useful candidate for SaaS signup and payment analysis; it is a poor match if you require session replay or assume the lifetime offer includes the direct plan’s unlimited retention.
Suitable for
Site owners who can add a script, define events and connect payments where needed.
Consider another option if
Buyers requiring replay recordings, guaranteed unlimited retention or confirmed large client-seat allocations.

What comes with the lifetime deal?
Pageviews and custom events consume the same monthly pool across linked sites.
The five tiers increase the event allowance; the listed feature set is shared.
The AppSumo offer specifies 36 months. The direct subscription’s forever wording is not substituted into the deal.
Activate within 60 days; upgrade while the deal is live, downgrade within 60 days. AppSumo lists a 60-day refund period.
All tiers map to Pro updates. Future AI models can require an add-on or discounted separate access.
PLANS AND PRICING
Seline plans and pricing
Prices and allowances are shown for each plan below.
Compare each plan’s price and allowance. Confirm any limit marked ‘Not specified’ before buying.
Select the final tier on AppSumo. The product link opens the same listing for every tier.
Costs and limits to account for
- Three-year deal retention differs from direct Pro.
- Future AI models may cost extra.
- Automatic form tracking can send field values; review what your forms collect.
FEATURE COMPARISON
Features, limits and paid extras
“Included” and “unlimited” can mean different things. This checklist separates full access, usage limits, add-ons and features that are not confirmed.
7 fully included · 2 limited · 0 add-on · 1 not included · 0 not confirmed. Coverage is not a quality score.
Features are grouped by documented coverage. “Not confirmed” means the evidence is incomplete, not that a feature is absent.
Check each product’s plan notes for tier limits and additional costs. Feature coverage is not a quality rating.
USE CASES
What problems does Seline solve?
Find the step between signup and payment that loses users
A campaign brings visits, but the traffic chart does not explain whether people fail to sign up, complete onboarding or pay.
How to use it
- Install the script on the relevant site and application, with access to change both.
- Define separate signup and activation events; identify authenticated users with a stable user ID.
- Build a funnel matching those actions and the payment step.
- Compare one acquisition campaign at a time, then inspect the affected journeys before changing the page.
What this helps you do: The funnel identifies where to investigate, while journeys supply context for the missing step.
Limitations: A drop-off is an observation, not proof of its cause. Misfiring events and an untracked external checkout can also create gaps.
Attribute Stripe payments to acquisition sources
A payment total is useful, but it does not tell you which campaign acquired the customer.
How to use it
- Connect Stripe with an appropriately restricted read-only key.
- For signed-in customers, send an email that matches the Stripe customer; for guest checkout, pass the Seline visitor ID in Checkout metadata.
- Check that a known payment appears against the intended visitor and source.
- Use a consistent reporting currency when comparing campaigns.
What this helps you do: Matched payments can be investigated alongside traffic sources and journeys.
Limitations: Connecting Stripe alone creates revenue reporting but does not guarantee attribution. Unmatched customers still lack the visitor link.
BUYER FEEDBACK
What buyers say
Buyer experiences can vary with the plan, product version and workflow.
Several buyers value the simpler reporting interface
The seven visible reviews included praise for setup and navigation. The small review set does not establish typical implementation time or tracking accuracy.
The disclosed paid tester found setup and funnel quirks
A September 29 reviewer explicitly disclosed payment and a free licence from AppSumo. They reported a sticky-header overlap and an AI-created funnel with unwanted steps; the account says funnels can be edited.
Seline images
ALTERNATIVES
Seline alternatives and comparisons
Features are grouped by documented coverage. “Not confirmed” means the evidence is incomplete, not that a feature is absent.
Check each product’s plan notes for tier limits and additional costs. Feature coverage is not a quality rating.
BEFORE YOU BUY
Seline lifetime deal FAQs
Does each Seline pageview have a separate event allowance?
No. The founder says pageviews and custom events count toward the same monthly limit. Add both across all linked websites.
Does buying a higher tier unlock session replay?
No replay entitlement was established. The founder explicitly said session replay was not offered or planned; the higher tiers increase allowance.
Does the lifetime deal keep data forever?
The AppSumo listing specifies 36 months. The direct Pro subscription’s forever claim should not be used to override the lifetime terms.
Can Seline show which channel produced a Stripe payment?
Yes, when the payment can be matched to a visitor through customer email or Checkout metadata. Connecting Stripe without that match is not enough to attribute every charge.
Are client seats and API requests unlimited?
Project-level invitations and a public API are included, but a numeric lifetime seat cap and the usage impact of API/MCP requests are not specified. The public agency question remained unanswered.
Does Seline replace Search Console?
No. A founder reply says Search Console data can be displayed inside Seline, but it is not joined to tracked visitor data. Keep the distinction between search impressions and on-site activity.





