Quick comparison # App Pricing Verified price Open source Platforms Verified facts Score 1 KlaviyoFree plan + paid $20 a month (email, based on active profiles) No Web, iOS, Android 4 of 4 54.4 2 OmnisendFree plan + paid $11.20 a month for first 3 months (30% off), Standard No Web, iOS, Android 5 of 5 50.0 3 BrevoFree plan + paid $9 a month for 5,000 emails No Web, iOS, Android 5 of 5 49.0
1 Best for: Ecommerce brands that want automation driven by purchase and browsing data
Free plan + paid Web, iOS, Android
Why switch from Attentive
Email-first ecommerce marketing with SMS built in, self-serve with a free tier.
Pros Deep ecommerce data, segmentation and predictive metrics Strong pre-built flows for carts, browsing and win-back Revenue reporting per campaign and flowCons Expensive for large lists Overkill for non-ecommerce businesses Steep learning curveHow this score is calculated Editorial fit ×0.3 52
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 100
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula
2 Best for: Online stores that want email and SMS automation at lower cost than Klaviyo
Free plan + paid Web, iOS, Android
Why switch from Attentive
Email and SMS marketing for online stores in one tool, with automations and simpler, self-serve pricing.
Pros Ready-made ecommerce flows with email, SMS and push Cheaper than Klaviyo for many stores Free migration and 24/7 supportCons Less advanced data and predictive features than Klaviyo Mainly useful for ecommerce Free plan has a low email limitHow this score is calculated Editorial fit ×0.3 38
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 100
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula
3 Best for: Businesses with large contact lists that want email, SMS and a CRM in one place
Free plan + paid Web, iOS, Android
Why switch from Attentive
Sends SMS and WhatsApp campaigns next to email, with pay-as-you-go SMS credits instead of an enterprise contract.
Pros Priced by emails sent, not contacts stored Email, SMS, WhatsApp and transactional email together Free plan with daily sending allowanceCons Free plan has a daily send limit and branding Editor and templates less polished than some rivals SMS credits cost extraHow this score is calculated Editorial fit ×0.3 34
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 100
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula
Verified facts 5 of 5 verified Free plan Yes, up to 300 emails per day Checked Nov 8, 2026brevo.com(opens source in a new tab) Free plan terms Free forever, no card needed Checked Nov 8, 2026brevo.com(opens source in a new tab) Starter volume From 5,000 emails per month Checked Nov 8, 2026brevo.com(opens source in a new tab) Transactional messaging Email, SMS and WhatsApp via SMTP and API Checked Nov 8, 2026brevo.com(opens source in a new tab) Starting price $9 a month for 5,000 emails Checked Nov 8, 2026brevo.com(opens source in a new tab)