DataFast alternatives
The closest DataFast alternative is ProductLense, which also joins analytics to billing and adds ad spend and fees for profit per channel. If you only need traffic analytics, Plausible and Fathom are simpler; if you need replay and flags, PostHog.
Founders look for DataFast alternatives when they want a free plan, a billing provider DataFast does not document (Razorpay, Chargebee, Gumroad, Creem), no cookies by default, or the cost side of each channel: processor fees and ad spend from any source.
ProductLense
Cookieless analytics that reads ten billing providers and shows revenue and profit per channel. Free up to 10k events.
Plausible
Cookieless traffic analytics from $9 a month, with a Community Edition you can run yourself. Revenue only from events you send, on the Business plan.
ProductLense vs Plausible in detailFathom
Closed-source, cookieless traffic analytics from $15 a month, with 50 sites included on every plan.
ProductLense vs Fathom in detailPostHog
Product suite with analytics, session replay, feature flags and experiments; 1M analytics events a month free.
ProductLense vs PostHog in detailSimple Analytics
Cookieless, privacy-first traffic analytics from the Netherlands; closed source.
Google Analytics 4
Free at any volume with native Google Ads integration. Sets cookies, so EU sites usually need a consent banner.
ProductLense vs Google Analytics 4 in detail
Facts from each vendor’s public pages, checked on 2026-10-11. Tell us if something changed.
DataFast alternatives: questions
- What is the best DataFast alternative?
- If you want revenue by channel plus the cost side, ProductLense: it reads ten billing providers, subtracts ad spend and processor fees, and shows profit, CAC and payback per channel. It is free up to 10k events. If you only need traffic numbers, Plausible or Fathom cost less effort.
- Is there a free DataFast alternative?
- ProductLense is free up to 10k events a month for one site, without a credit card; billing connections start on the $19 Starter plan. Google Analytics 4 is free at any volume but uses cookies and has no billing connection. PostHog is free to 1M product analytics events.
- Which DataFast alternative supports Razorpay, Chargebee or Gumroad?
- ProductLense connects Razorpay, Chargebee, Gumroad and Creem, which DataFast does not document, as well as Stripe, Paddle, Lemon Squeezy, Polar, Dodo Payments and Shopify, and accepts anything else through its payment API. Traffic-only tools such as Plausible, Fathom and Simple Analytics do not connect to billing providers at all.
- Which DataFast alternative shows profit after fees?
- ProductLense. It reads processor fees from the billing provider, or applies a flagged estimate where the provider does not report them, and subtracts ad spend entered by hand or by CSV for any channel. DataFast shows ROAS from Meta ad spend and does not document fees. Plausible, Fathom and PostHog show neither.
- Can I keep DataFast and try ProductLense at the same time?
- Yes. Add the ProductLense script next to DataFast’s and connect the same billing provider; both read the provider independently. ProductLense backfills 12 months of payments, and attribution starts for visitors who arrive after the script is live. Compare the two for a few weeks before switching.
Free up to 10k events a month. No card.
Add the script, connect Stripe or any of 14 other billing providers, and see revenue by channel the same day.