OneSignal Email logo

11 best OneSignal Email alternatives & competitors

The top OneSignal Email alternatives for transactional email, compared on price, free tier, ratings and what each is best for, with OneSignal Email pinned so you can measure each option against it.

Updated July 2026

About OneSignal Email

OneSignal Email logo

OneSignal Email

Email

OneSignal is the leading mobile push notification service. OneSignal provides tailor-made mobile push notification services for iOS, Android, and web platforms. OneSignal Email is one of OneSignal's newest products, and it's designed to provide a more reliable and efficient means for sending transactional emails. OneSignal Email is ideal for marketing teams who send out lots of automatic email messages.

Best for

teams already on OneSignal for push wanting a generous free email tier in the same platform

Starting price
$19/mo
Free tier
10,000/mo
Rating
4.7 / 5
HIPAA
Yes

Company profile

Founded
2014
Headquarters
San Mateo, USA
Funding
$84.3M raised
Team size
~170
Ownership
Independent, venture-backed
Reviews
4.7 / 5 on G2 (1176)

Compliance

SOC 2 Type II
GDPR
ISO 27001
EU data residency
HIPAA BAA

Official SDKs

Node.js

Python

Java

Go

PHP

Ruby

C#

Rust

Strengths

You can import an already-existing list of subscribers.
You can easily control in-app messaging and email subscribers from one account.
You have access to extensive third-party support.

Why teams look elsewhere

It is relatively slow to send emails compared to other email notification providers.
It returns frequent errors.
Visit OneSignal EmailSet up OneSignal Email with Courier →

Side by side

OneSignal Email vs the alternatives

Sorted by rating · figures as of July 2026

OneSignal Email logo

OneSignal Email

You're viewing

Starting price

$19/mo

Free tier

10,000/mo

Rating

4.7

Resend logo
Resend
Compare →

Starting price

$20/mo

Free tier

3,000/mo

Rating

4.8

Starting price

$15/mo

Free tier

100/mo

Rating

4.6

Starting price

$9/mo

Free tier

300/day

Rating

4.5

Starting price

$49/mo

Free tier

4,000/mo

Rating

4.5

Starting price

$100/mo

Free tier

No

Rating

4.4

Starting price

Usage-based

Free tier

3,000/mo (1st yr)

Rating

4.3

Starting price

$15/mo

Free tier

100/day

Rating

4.2

Starting price

$20/mo

Free tier

No

Rating

4.2

Starting price

$19.95/mo

Free tier

Trial

Rating

4.0

Starting price

$15/mo

Free tier

1,000/mo

Rating

4.0

Starting price

$9/mo

Free tier

6,000/mo

Rating

3.9

ProviderStarting priceFree tierRating
OneSignal Email logo

OneSignal Email

You're viewing

$19/mo10,000/mo4.7
Resend logo
Resend
$20/mo3,000/mo4.8Compare →
$15/mo100/mo4.6Compare →
$9/mo300/day4.5Compare →
$49/mo4,000/mo4.5Compare →
$100/moNo4.4Compare →
Usage-based3,000/mo (1st yr)4.3Compare →
$15/mo100/day4.2Compare →
$20/moNo4.2Compare →
$19.95/moTrial4.0Compare →
$15/mo1,000/mo4.0Compare →
$9/mo6,000/mo3.9Compare →

At a glance

What each OneSignal Email alternative is best for

Resend

4.8 / 5

developer-first transactional and marketing email with native React Email integration for React and Next.js teams
Postmark

4.6 / 5

transactional-only email senders wanting strong deliverability with streams that isolate transactional from broadcast traffic
Brevo

4.5 / 5

EU-based teams wanting GDPR-first email, SMS, WhatsApp, and CRM in one low-cost platform
Loops

4.5 / 5

SaaS teams wanting marketing, lifecycle, and transactional email bundled together with automated deliverability setup
Customer.io

4.4 / 5

data-driven lifecycle marketing teams needing deep behavioral segmentation and a visual workflow builder
AWS SES

4.3 / 5

AWS teams sending very high-volume transactional email cheaply without needing a template editor or campaign UI
Mailgun

4.2 / 5

developers needing transactional and marketing email with strong deliverability and validation tooling, including an EU region
Mandrill

4.2 / 5

teams already on a paid Mailchimp marketing plan wanting an integrated transactional email add-on
SendGrid

4.0 / 5

high-volume senders wanting a mature email API with dedicated IPs and detailed deliverability analytics
SparkPost

4.0 / 5

high-volume transactional email senders wanting deliverability-focused infrastructure and detailed analytics at large scale
Mailjet

3.9 / 5

European teams needing GDPR-certified email with EU-based data storage and a drag-and-drop campaign editor

FAQ

Common questions

The strongest OneSignal Email alternatives depend on what you need. Resend rates highest among the options here; the comparison table covers price, free tier, and rating, and the "what each alternative is best for" section matches each option to a use case.

Keep exploring

More transactional email alternatives guides

Resend alternativesPostmark alternativesBrevo alternativesLoops alternativesCustomer.io alternativesAWS SES alternativesMailgun alternativesMandrill alternativesSendGrid alternativesSparkPost alternativesMailjet alternatives

One API, every provider

Switch or combine providers without rewrites.

Courier sits in front of OneSignal Email and every alternative above: route, fail over, and swap providers behind a single API.

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Company facts, pricing and compliance were verified against each provider's public pricing and security or trust pages, plus G2 and Trustpilot, as of July 2026, and compiled by the Courier team. Details change often, so confirm with the provider before you buy.

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