Assertible vs Mailosaur

See how their public offers line up before you choose your own position. Prices stay in the currency, billing schedule, and charged unit each vendor publishes.

Assertible

See full pricing history

USD · US · source: assertible.com

Plan	Pricing	Charged by	Offer type
Personal	Free $0/month	Flat · published subscription	Standalone · Free
Standard	USD 25 monthly $25/month	Flat · published subscription	Standalone · Fixed
Startup Highlighted	USD 50 monthly $50/month	Flat · published subscription	Standalone · Fixed
Business	USD 100 monthly $100/month	Flat · published subscription	Standalone · Fixed

Mailosaur

See full pricing history

USD · US · source: mailosaur.com

Plan	Pricing	Charged by	Offer type
personal — annual billing	USD 20 monthly · USD 20 / month with annual commitment From $ 20 per month , billed annually	Flat · per month , billed annually	Standalone · Starting at

What each plan includes

Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.

Assertible

Personal

Official plan card Web services: 2

Limited
Official plan card Tests per service: 10

Limited
Official plan card Result retention: 1,000

Limited

Standard

Official plan card Web services: 25

Limited
Official plan card Tests per service: 500

Limited
Official plan card Members: 1

Limited

Startup

Official plan card Web services: 25

Limited
Official plan card Tests per service: 500

Limited
Official plan card Members: 10

Limited

Business

Official plan card Web services: 50

Limited
Official plan card Tests per service: 1,000

Limited
Official plan card Members: 20

Limited

Mailosaur

personal — annual billing

Highlights Users: Includes 1 user With support for up to 3 users

Included
Highlights Inboxes: 1 inbox (with unlimited email addresses)

Included
Highlights Unique domain name per inbox: Each inbox has a unique domain name

Included
Highlights Inbound emails: From 15,000 inbound emails/month

Included
Highlights Email compatibility testing: Included
Highlights API for test automation: Included
Highlights Forward individual emails to external addresses: Included

How their prices changed

Each dated row shows the public prices observed when that vendor’s pricing page changed.

Assertible

August 27, 2026 Source
- Personal: Free
- Standard: USD 25 monthly
- Startup: USD 50 monthly
- Business: USD 100 monthly

Mailosaur

August 27, 2026 Source
- personal — annual billing: USD 20 monthly · USD 20 / month with annual commitment