Email on Acid vs TestSprite

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

TestSprite

See full pricing history

USD · US · source: www.testsprite.com

Plan	Pricing	Charged by	Offer type
Free	Free $0	Flat · published offer	Standalone · Free
Starter	USD 19 monthly $19/month from the second month	Flat · published offer	Standalone · Fixed
Standard	USD 69 monthly $69/month	Flat · published offer	Standalone · Fixed
Enterprise	Contact sales Custom	Flat · published offer	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.

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

TestSprite

Free

Plan card AI testing: 0

Limited

Starter

Plan card Starter test capacity: 0

Limited

Standard

Plan card Standard test capacity: 0

Limited

Enterprise

Plan card Enterprise testing: 0

Limited

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

TestSprite

August 27, 2026 Source
- Free: Free
- Starter: USD 19 monthly
- Standard: USD 69 monthly
- Enterprise: Contact sales