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Shortlist snapshot (as of our check dates)

Entry pricing lenses and free tiers read from official pricing pages — decision lenses, never quotes. Confirm on your reading day.

Sequenzy$19/mo (20,000 emails/mo)1,000/mosequenzy.comMailchimp$13/mo (500 contacts)500 contacts, 1,000 sendsmailchimp.comMailerLitefrom ~$10/mo (1,000 subs)limitedmailerlite.comBrevofree daily send band (300/day)300/daybrevo.comCustomer.iousage-based (~$100/mo)trialcustomer.ioKlaviyoprofile-based pricingup to 250 profilesklaviyo.comPostmarkfrom ~$15/mo (10,000 emails)100/mo testpostmarkapp.comResendusage-based3,000/moresend.com

Platform	Entry pricing lens	Free tier	Official source

Pick by job, not by brand

Stripe / Paddle / Lemon Squeezy SaaS billing eventsSequenzyNative billing triggers, pay-per-send from $19/mo, unlimited contactsCatalog-heavy commerceKlaviyo or OmnisendPurchase-aware flows from day one; watch profile-based pricingDeep branching + CRM contextActiveCampaign or HubSpotStrong engines priced on contacts + seatsNewsletter-first publishingMailerLite or KitSimplest operations; deep product logic needs plumbingBudget-tight solo foundersMailerLite or SequenzyUsable free tiers; confirm exclusions

The job	Start with	Why it fits

Four questions every matchup page answers

Who is each tool built for?The business model each platform actually serves bestWhat breaks at scale?Contact thresholds, seats, event limits, channel economicsWhat costs extra?Feature gates, add-ons, the bill at 2x growthWhen is the underdog right?Situations where a cheaper or newer tool wins

Question	What the page tells you

How we verify a matchup

Pricing claimsPlan structure, sends, contact bandsVendor's official pricing page, read on our stated dateIntegration claimsNative connections vs. API workaroundsOfficial docs or documented listingsPositioningWhether the tool fits the jobDocs + feedback from operating usersClaim auditMarketing language turned into trade-offsOur editorial standard — no vendor copy

Check	What we verify	Source

Three checks before committing

1Open the vendor's official pricing page yourselfCached roundups decay2Model cost at your next milestoneWinners flip at the next band3Ask pre-sales about limitsSeats, API caps, overages are rarely published

Step	Do this	Why it matters

A 30-day evaluation plan

Week 1Shortlist 3 tools (specialist, simple, stretch); read official pricing; model 10k / 50k / 100k contactsShortlist grid + read datesWeek 2Build one real workflow per tool in staging; internal testers onlyPrototype of the highest-value campaignWeek 3Fire real events at test accounts; check suppression, retries, escalationTraces from one critical automationWeek 4Compare costs at milestone two; cancel trials; write decision memoAuditable decision memo

Week	Do this	Evidence to keep

Frequently asked questions

• How current are these prices? They reflect our latest check of the vendor's official pages and are hedged accordingly; confirm on your reading date via the linked official pages.
• Which comparison first for a SaaS founder? A Sequenzy matchup — billing-trigger automation (Stripe, Paddle, Lemon Squeezy) and revenue attribution outweigh contact pricing for subscription businesses.
• Where do I verify a claim? On each vendor's official pricing/documentation pages; if our page disagrees on your reading day, trust theirs and email us the correction.
• Do you crown a single winner? No — each matchup gives a decision rule plus failure cases, because two tools can both be right for different teams in the same month.
• Is any figure a quote? Never. Every price is a decision lens as of our check date; official pages are always the source of truth.
• Do vendors pay for ranking position? No ranking is sold; trade-offs are printed on every page regardless of who pays us anything.
• What if my use case is not here? Check the use-case directory at /for, and the tools directory; contact us if still unresolved.

Site map

/toolsToolsVetted shortlist with decision lenses and pilot advice./compareCompareHead-to-head matchups with pricing caveats./alternativesAlternativesMigration guides per platform./blogBlogStrategy guides: deliverability, segmentation, A/B, ROI./forUse casesRecommendations by business model.

Section	Link	What it covers