--- title: "Best Customer.io Alternatives 2026 | Capterra" description: "Looking for alternatives to Customer.io? Find out how Customer.io stacks up against its competitors with real user reviews, pricing information, and what features they offer." source_url: "https://www.capterra.com/p/174023/Customer-io/alternatives/" page_type: "alternatives" language: "en" --- # Customer.io alternatives Last updated on August 26th, 2026 The best Customer.io alternatives are Gmail (best overall), EmailOctopus (best free plan), Brevo Marketing Platform (best budget option), and HubSpot Marketing Hub (most reviewed). Together they hold 23,969 verified Capterra reviews, with overall ratings from 4.5 to 4.8 out of 5. Customer.io itself holds 4.7 out of 5 across 87 reviews. ### Customer.io - Rating: 4.7 out of 5 (87 reviews) - Ease of use: 4.3 out of 5 - Starting price: $100.00 /usage/mo - Key features: 7 of 11 top category features --- ## Top alternatives Customer.io alternatives compared | Product | Rating difference | Ease of use | Starting price | Key features | | --- | --- | --- | --- | --- | | [Klaviyo](https://www.capterra.com/p/156699/Klaviyo/) — 4.6 out of 5 (539 reviews) | Rated 0.1 lower than this product | 4.5 out of 5 | $20.00 /usage/mo | 11 of 11 top category features | | [HubSpot Marketing Hub](https://www.capterra.com/p/171840/HubSpot-Marketing/) — 4.5 out of 5 (6,254 reviews) | Rated 0.2 lower than this product | 4.3 out of 5 | $15.00 /user/mo | 10 of 11 top category features | | [Salesforce Marketing Cloud](https://www.capterra.com/p/248536/Salesforce-Marketing-Cloud/) — 4.2 out of 5 (531 reviews) | Rated 0.5 lower than this product | 3.8 out of 5 | $25.00 /user/mo | 11 of 11 top category features | | [Marketo Engage](https://www.capterra.com/p/75130/Marketo-Lead-Management/) — 4.3 out of 5 (716 reviews) | Rated 0.4 lower than this product | 3.8 out of 5 | Not available | 10 of 11 top category features | | [Omnisend](https://www.capterra.com/p/153508/Omnisend/) — 4.7 out of 5 (836 reviews) | Rated the same as this product | 4.6 out of 5 | $16.00 /usage/mo | 9 of 11 top category features | | [EmailOctopus](https://www.capterra.com/p/147415/EmailOctopus/) — 4.8 out of 5 (655 reviews) | Rated 0.1 higher than this product | 4.7 out of 5 | $9.00 /feature/mo | 4 of 11 top category features | | [Constant Contact](https://www.capterra.com/p/31898/Constant-Contact/) — 4.3 out of 5 (2,947 reviews) | Rated 0.4 lower than this product | 4.3 out of 5 | $12.00 /usage/mo | 6 of 11 top category features | | [Brevo Marketing Platform](https://www.capterra.com/p/132996/brevo/) — 4.6 out of 5 (3,516 reviews) | Rated 0.1 lower than this product | 4.6 out of 5 | $9.00 /usage/mo | 8 of 11 top category features | | [Gmail](https://www.capterra.com/p/202338/Gmail/) — 4.8 out of 5 (13,544 reviews) | Rated 0.1 higher than this product | 4.8 out of 5 | Not available | 0 of 11 top category features | | [MailerLite](https://www.capterra.com/p/136603/MailerLite/) — 4.7 out of 5 (2,322 reviews) | Rated the same as this product | 4.6 out of 5 | $12.00 /mo | 9 of 11 top category features | --- ## Top alternatives with AI capabilities The Customer.io alternatives with the strongest AI features are Klaviyo, Salesforce Marketing Cloud, and Marketo Engage, based on verified feature data and Capterra reviews. ### [Klaviyo](https://www.capterra.com/p/156699/Klaviyo/) — 4.6 out of 5 (539 reviews) - AI features: AI Copilot, Generative AI ### [Salesforce Marketing Cloud](https://www.capterra.com/p/248536/Salesforce-Marketing-Cloud/) — 4.2 out of 5 (531 reviews) - AI features: AI Copilot, AI/Machine Learning, Generative AI ### [Marketo Engage](https://www.capterra.com/p/75130/Marketo-Lead-Management/) — 4.3 out of 5 (716 reviews) - AI features: AI/Machine Learning, Generative AI --- ## Top Free alternatives to Customer.io The best free alternatives to Customer.io are Klaviyo, HubSpot Marketing Hub, and Marketo Engage — all three offer a free plan alongside paid tiers. ### [Klaviyo](https://www.capterra.com/p/156699/Klaviyo/) — 4.6 out of 5 (539 reviews) - Free options: Free trial, Free version - Starting price: $20.00 /usage/mo ### [HubSpot Marketing Hub](https://www.capterra.com/p/171840/HubSpot-Marketing/) — 4.5 out of 5 (6,254 reviews) - Free options: Free trial, Free version - Starting price: $15.00 /user/mo ### [Marketo Engage](https://www.capterra.com/p/75130/Marketo-Lead-Management/) — 4.3 out of 5 (716 reviews) - Free options: Free trial - Starting price: Not available --- ## Top alternatives for SMBs Among reviewers from companies with 1-200 employees, the highest-rated Customer.io alternatives are Omnisend (4.7), EmailOctopus (4.7), and MailerLite (4.7). ### [Omnisend](https://www.capterra.com/p/153508/Omnisend/) - 537 SMB reviewers say - Overall rating: 4.7 out of 5 across 537 SMB reviews - Ease of use: 4.6 out of 5 across 537 SMB reviews > "Omnisend delivers a lot of capability for the price, especially since billing is based on active subscribers only." — Frank A., Head of Digital (March 29, 2026) ### [EmailOctopus](https://www.capterra.com/p/147415/EmailOctopus/) - 328 SMB reviewers say - Overall rating: 4.7 out of 5 across 328 SMB reviews - Ease of use: 4.7 out of 5 across 328 SMB reviews > "Easy initial setup" — Juan d., CMO (February 18, 2026) ### [MailerLite](https://www.capterra.com/p/136603/MailerLite/) - 969 SMB reviewers say - Overall rating: 4.7 out of 5 across 969 SMB reviews - Ease of use: 4.6 out of 5 across 968 SMB reviews > "Additionally, the campaign insights it provides enable quick decision-making." — Camilo H., Marketing Specialist (July 27, 2026) --- ## Find software for your specific use case ### Marketing Automation - [Klaviyo](https://www.capterra.com/p/156699/Klaviyo/) — 4.6 out of 5 (539 reviews) - [Hibu](https://www.capterra.com/p/207701/Hibu/) — 4.2 out of 5 (102 reviews) - [Salesforce Marketing Cloud](https://www.capterra.com/p/248536/Salesforce-Marketing-Cloud/) — 4.2 out of 5 (531 reviews) ### Campaign Management - [Adobe Journey Optimizer](https://www.capterra.com/p/250206/Adobe-Journey-Optimizer/) — 5.0 out of 5 (1 reviews) - [Hibu](https://www.capterra.com/p/207701/Hibu/) — 4.2 out of 5 (102 reviews) - [Cliquify](https://www.capterra.com/p/240526/Cliquify/) — 4.7 out of 5 (9 reviews) ### Customer Engagement - [Text](https://www.capterra.com/p/10031687/Text/) — 4.7 out of 5 (31 reviews) - [Sinch Engage](https://www.capterra.com/p/187336/Sinch-Engage/) — 4.4 out of 5 (97 reviews) - [Adobe Customer Journey Analytics](https://www.capterra.com/p/250207/Adobe-Customer-Journey-Analytics/) — 4.6 out of 5 (5 reviews) ### Email Marketing - [Hibu](https://www.capterra.com/p/207701/Hibu/) — 4.2 out of 5 (102 reviews) - [Mailgun](https://www.capterra.com/p/159630/Mailgun/) — 4.3 out of 5 (197 reviews) - [Mailjet](https://www.capterra.com/p/130105/Mailjet/) — 4.2 out of 5 (455 reviews) ### Mobile Marketing - [Xtremepush](https://www.capterra.com/p/151231/Xtremepush/) — 4.5 out of 5 (55 reviews) - [Adobe Journey Optimizer](https://www.capterra.com/p/250206/Adobe-Journey-Optimizer/) — 5.0 out of 5 (1 reviews) - [EZ Texting](https://www.capterra.com/p/145848/Ez-Texting/) — 4.5 out of 5 (273 reviews) ---