Pick the right stack by real monthly cost
Tell us the job, volume and budget. StackPick turns verified pricing into a transparent shortlist for automation, WhatsApp, email, funnels and B2B outbound.
Free · no signup required · partner relationships disclosed before every click
JOB
BEST FIT
Active partner paths in the decision engine
Start with a decision, not another review
Three inputs → a ranked partner shortlist with verified cost and trade-offs.
Switch & SaveCompare your current monthly bill with an active alternative and a migration route.
Plan FindersMatch contacts, credits or visitors to the lowest published partner tier.
AI Training JobsCompare Hub.xyz, Crowtado and Claru, estimate approved-task earnings and model referral economics.
AI voice agent cost calculatorCall minutes per month → what Retell, Synthflow and Vapi actually cost vs a human answering the phone.
Automation cost calculatorTasks per month → what Zapier, Make and others charge at your volume.
WhatsApp cost calculatorPaid template messages per month → platform fee + estimated Meta fees for Wati, respond.io and AiSensy.
Email marketing cost calculatorYour list size → real monthly cost on Brevo, Mailchimp and rivals.
Start free. Pay only after the fit is clear.
We separated real free plans, trials and entry tiers from vague “free” marketing. Every card shows its verification date and opens through a disclosed partner link.
- No card required where the vendor confirms it
- No commission points in rankings
- Price-alert option before you upgrade
Already paying? Check whether switching actually saves money.
Move without breaking the business
Cost is only half the decision. These staged guides include tests and rollback points.
Normalize tasks and operations, run in parallel and preserve a rollback path.
Mailchimp → BrevoPreserve consent, suppressions, authentication and sending reputation.
Wati → GallaboxProtect the number, approved templates, webhooks and agent continuity.
All migration routesEstimate the saving first, then open the relevant staged checklist.
High-intent comparisons
Pricing-first pages for buyers comparing cost, not marketing fluff.
Pay-per-send and unlimited contacts against contact-based pricing with deeper automation — which email stack fits your funnel.
Brevo vs MailchimpWhich is better, Brevo or Mailchimp? Contact-based vs send-based pricing — the math flips with list shape and send frequency. Verified plans.
n8n vs Maken8n vs Make pricing at 1k / 10k / 50k runs. Credits vs executions, self-host TCO and when Make still wins for short scenarios.
Retell AI vs Synthflow AIRetell vs Synthflow pricing: pay-per-minute API vs no-code plans with bundled minutes. Crossover math and calculator for SMBs.
Wati vs AiSensyOfficial WhatsApp API for SMBs — Wati's inbox and campaigns against AiSensy's lower subscription entry price.
Wati vs respond.iorespond.io vs Wati for official WhatsApp API: subscription price, seats, automation depth and Meta conversation fees. Side-by-side for SMBs.
Affiliate picks we track
We may earn a commission if you buy through links on this page, at no extra cost to you. Our verdicts are based on the data shown.
Solopreneurs and creators who want the whole business stack free or near-free
Free plan available · From $27/mo
Try Systeme.io free →Businesses with big contact lists that send few emails - pricing by volume, not list size
Free plan available · From $9/mo
Try Brevo free →Power users who want complex, branching automations at a fraction of Zapier's cost
Free plan available · From $9/mo
Try Make free →Browse by category
How we rate
Every number comes from a structured database with verification dates. We score ease of use, value, feature depth and support on a 1–5 scale, and we show the data behind every verdict. Read the full methodology.