Email on Acid vs Wopee.io

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.

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

Wopee.io

See full pricing history

EUR · US · source: wopee.io

Plan	Pricing	Charged by	Offer type
Free	Free €0	Flat · published subscription	Standalone · Free
Starter	EUR 19 monthly €19/user/month	Seat · per user per month	Standalone · Fixed
Basic Highlighted	EUR 79 monthly €79/user/month	Seat · per user per month	Standalone · Fixed
Premium	EUR 179 monthly €179/user/month	Seat · per user per month	Standalone · Fixed

What each plan includes

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

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

Wopee.io

Free

Official plan card Test steps per session: 50

Limited
Official plan card Active projects: 2

Limited
Official plan card Autonomous test generation: Included

Starter

Official plan card Test steps per session: 150

Limited
Official plan card Active projects: 10

Limited
Official plan card Playwright and CI/CD integration: Included

Basic

Official plan card Test steps per session: 500

Limited
Official plan card Active projects: 100

Limited
Official plan card Basic team management: Included

Premium

Official plan card Test steps per session: 1,000

Limited
Official plan card Active projects: Unlimited

Limited
Official plan card Advanced user management: Included

How their prices changed

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

Email on Acid

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

Wopee.io

August 27, 2026 Source
- Free: Free
- Starter: EUR 19 monthly
- Basic: EUR 79 monthly
- Premium: EUR 179 monthly