Assertible vs Email on Acid

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

Email on Acid

See full pricing history

USD · US · source: www.emailonacid.com

Plan	Pricing	Charged by	Offer type
Basic Mailgun Inspect Highlighted	USD 99 monthly $99/month	Flat · published subscription	Standalone · Fixed
Premium Mailgun Inspect	USD 199 monthly $199/month	Flat · published subscription	Standalone · Fixed
Contract Mailgun Inspect	Contact sales Custom pricing	Flat · published subscription	Standalone · Contact sales

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

Email on Acid

Basic Mailgun Inspect

Official plan card Users: Unlimited

Limited
Official plan card Email previews: 1,000/month

Limited
Official plan card Preview clients and devices: 100+

Limited

Premium Mailgun Inspect

Official plan card Users: Unlimited

Limited
Official plan card Email previews: 2,000/month

Limited
Official plan card HTML, link, image, and spam checks: Included

Contract Mailgun Inspect

Official plan card Users: Unlimited

Limited
Official plan card Preview allowance: Custom

Limited
Official plan card Phone and chat support: 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

Email on Acid

August 27, 2026 Source
- Basic Mailgun Inspect: USD 99 monthly
- Premium Mailgun Inspect: USD 199 monthly
- Contract Mailgun Inspect: Contact sales