Best Customer.io alternatives

Customer messaging platform with automated journeys and AI-assisted campaign workflows.

Last updated November 13, 2026

Top Customer.io alternatives on usedby: Movable Ink, Bloomreach, and Optimove. Customer.io has 35 public customers on usedby. 15 other tools of the same or a competing category, from other vendors, have public customers.Latest check Nov 13, 2026: 502 of 522 public lines checked. Every public proof counts as a customer, from case studies to job posts. The proof level stays visible: confirmed (a case study, a press release), observed (the vendor’s customer page), signal (a job post, the weakest proof).

Ranked by public customers

Tools of the same or a competing category, from another vendor. Open a row for its customers, sources and facts; shared customers never set the order.

1Movable InkAI content personalization and decisioning for CRM channels such as email, app and web.66customers
66 customers: 56 confirmed, 10 observed.
Customers include Meta, NBA, and Warner Bros.
Largest industry on usedby: Retail, 14 customers.
No company is listed on both Movable Ink and Customer.io yet.
Source: movableink.com, latest capture Nov 10, 2026.
Who uses Movable Ink
2BloomreachAI personalization platform for marketing, product search and conversational shopping in e-commerce.56customers
56 customers: 21 confirmed, 35 observed.
Customers include Deutsche Telekom, 260 Sample Sale, and American Meadows.
Largest industry on usedby: Retail, 13 customers.
No company is listed on both Bloomreach and Customer.io yet.
Source: bloomreach.com, latest capture Nov 9, 2026.
Who uses Bloomreach
Our main goal isn’t purely incremental orders, it’s making sure our customers are more satisfied with the communication they receive from us. Relevance over volume.
Maarten Meijer, Digital Marketing Manager, New York Pizza, New York Pizza. Source
3OptimoveAI-driven CRM marketing platform with marketing agents and self-optimizing multichannel campaigns.50customers
50 customers: 41 confirmed, 9 observed.
Customers include Coca-Cola, Caesars Entertainment, and 2UP.
Largest industry on usedby: Gaming & Esports, 25 customers.
No company is listed on both Optimove and Customer.io yet.
Source: optimove.com, latest capture Nov 11, 2026.
Who uses Optimove
Every time you don't land in the inbox, you're missing an opportunity, and you should see it as a commercial problem.
Lucy Wigglesworth, Head of CRM, Tesco Bank, Tesco Bank. Source
4SmartlyAI advertising platform that unifies creative production and media buying across social, CTV and open web.48customers
48 customers: 34 confirmed, 14 observed.
Customers include Samsung, Spotify, and T-Mobile.
No company is listed on both Smartly and Customer.io yet.
Source: smartly.io, latest capture Nov 10, 2026.
Who uses Smartly
5Insider OneAI customer engagement platform for personalized journeys across web, app, email, SMS and WhatsApp.46customers
46 customers: 35 confirmed, 11 observed.
Customers include Coca-Cola, Samsung, and Toyota.
No company is listed on both Insider One and Customer.io yet.
Source: insiderone.com, latest capture Nov 10, 2026.
Who uses Insider One
We're delighted with the results of this campaign, and the teamwork we've built with Insider One. We're excited to do more.
Manager of Digital Channels, Manager of Digital Channels, Coca-Cola. Source
6OneSignal40customers
40 customers: 27 confirmed, 12 observed.
Customers include b-sharpe, Beach Bum Games, and Betmate.
1 company is listed on both OneSignal and Customer.io.
Pricing: free plan and paid tiers. Source Free trial or free plan available. Source
Latest capture across its sources: Nov 13, 2026.
Who uses OneSignal Compare Customer.io and OneSignal
OneSignal’s push notifications have been instrumental in helping us to reach our goals. They are quick to implement and use. We use push notifications throughout our user’s journey.
Tracy Chang, VP of Digital Marketing, Palisades Tahoe Ski Resort, Palisades Tahoe Ski Resort. Source
7InvocaAI call tracking, conversation intelligence and voice and SMS agents that tie phone conversations to revenue.37customers
37 customers: 26 confirmed, 11 observed.
Customers include Mutual of Omaha, 1000Bulbs.com, and 1st Family Dental.
Largest industry on usedby: Hospitals & Care Providers, 11 customers.
No company is listed on both Invoca and Customer.io yet.
Latest capture across its sources: Nov 10, 2026.
Who uses Invoca
8AppierAI-native adtech and martech suite for user acquisition, personalization and customer data activation.32customers
32 customers: 8 confirmed, 24 observed.
Customers include Toyota, Carrefour, and Audi.
Largest industry on usedby: Gaming & Esports, 7 customers.
No company is listed on both Appier and Customer.io yet.
Source: appier.com, latest capture Nov 12, 2026.
Who uses Appier
Appier technology helped us reach our customers in an effective and cost-efficient way.
Team Toyota Philippines, Toyota. Source
9AdCreative.aiAI generator of ad creatives, images, videos and copy for marketers26customers
26 customers: 0 confirmed, 26 observed.
Customers include Amazon, Microsoft, and Red Bull.
No company is listed on both AdCreative.ai and Customer.io yet.
Latest capture across its sources: Nov 13, 2026.
Who uses AdCreative.ai
10MutinyGive every account a 1:1 experience25customers
25 customers: 5 confirmed, 20 observed.
Customers include LaunchDarkly, Netic, and Q-Centrix.
Largest industry on usedby: DevTools & Infrastructure, 5 customers.
No company is listed on both Mutiny and Customer.io yet.
Pricing: free plan and paid tiers. Source Free trial or free plan available. Source
Source: mutinyhq.com, latest capture Nov 13, 2026.
Who uses Mutiny
Mutiny lets our commercial reps create that same caliber of content on their own. Our sales team was genuinely shocked at the quality. Turning call transcripts into something slick and deal-ready is a huge unlock for our reps.
Hillary Carpio, VP of Marketing, Snowflake. Source

More Personalization & advertising tools on usedby

Same or competing category, from another vendor, after the ranking above: fewer public customers.

Ylopo16 customers
GetCrux15 customers
Qloo14 customers
Bento10 customers
Different6 customers

The greatest advantage Movable Ink has given us is making it very easy (and quick) to use 1:1 personalization, so each customer has a smooth user experience that’s unique to them.

Manon van Rijsbergen, Email Marketing Coordinator, My Jewellery. On Movable Ink. Source

Customer.io and its top alternatives, side by side

Public customers at every proof level, and what each vendor states on its own pages. “Not checked yet” means usedby has no verified value; the vendor may publish it.

Customer.io and its top alternatives compared
Tool	Customers	Largest industry	Pricing	Security
Customer.io	35	No clear lead	published paid tiers Source	SOC 2 Type II, HIPAA Source
Movable Ink	66	Retail	Not checked yet	ISO 27001, ISO 27701 Source
Bloomreach	56	Retail	Not checked yet	SOC 2 (type not stated) Source
Optimove	50	Gaming & Esports	Not checked yet	ISO 27001, SOC 2 Type II Source
Smartly	48	No clear lead	Not checked yet	ISO 27001 Source
Insider One	46	No clear lead	Not checked yet	ISO 27001 Source

Best Customer.io alternative by industry

In the industries where Customer.io has the most customers, the alternative with the most customers of its own there (at least three).

DevTools & InfrastructureMutiny5 customersCustomer.io: 3
Fintech & PaymentsMovable Ink3 customersCustomer.io: 2

Often used with Customer.io

Tools of other categories that Customer.io customers also use. They do another job: they are not alternatives.

NotionWorkspaces & project management7 shared customers
ClaudeAI assistants4 shared customers
HexData platforms & analytics4 shared customers
BasetenAI inference & GPU cloud3 shared customers
BrexFinance & accounting AI3 shared customers
CursorAI coding assistants & agents3 shared customers

Questions about Customer.io alternatives

What are the best Customer.io alternatives?

Ranked by their public customers on usedby: Movable Ink (66 customers), Bloomreach (56 customers), and Optimove (50 customers). See who uses Movable Ink.

Which Customer.io alternatives offer a free trial?

OneSignal and Mutiny offer a free trial or a free plan, according to their own pricing pages.

What is the best Customer.io alternative for DevTools & Infrastructure companies?

Mutiny, with 5 customers in DevTools & Infrastructure on usedby. Customer.io has 3 there. DevTools & Infrastructure companies on usedby.

What is the best Customer.io alternative for Fintech & Payments companies?

Movable Ink, with 3 customers in Fintech & Payments on usedby. Customer.io has 2 there. Fintech & Payments companies on usedby.

Which tools are used with Customer.io?

Companies that use Customer.io also use Notion (7 shared), Claude (4 shared), Hex (4 shared), Baseten (3 shared), Brex (3 shared), and Cursor (3 shared). These tools do another job: they are not alternatives.

How does usedby rank Customer.io alternatives?

Only tools of the same or a competing category, from another vendor, count. They are ranked by their public customers at every proof level, job posts included; a tie goes to the stronger proofs (more confirmed, then more observed). Each tool shows its mix: confirmed (a case study, a press release), observed (the vendor’s customer page), signal (a job post, the weakest proof). Shared customers are shown for information and never set the order. Tools of other categories that the same companies use are listed apart, as tools used with Customer.io. usedby does not publish departures, so no company is shown switching from Customer.io to another tool.