ClrStream vs Posthawk

ClrStream

Figure	ClrStream	Posthawk
Price from	—	$20/mo
Free plan	—	Yes
Free trial	—	—
Open source	—	—
Web	Yes	—
API	Yes	—
Self-hosted	—	Yes
Plans published	2	3
Spec score · Transactional Email Software	7.5 (#34)	8.6 (#11)
Spec score · Transactional email services	7.0 (#40)	8.7 (#9)
Delivery methods	both	both

ClrStream has no write-up on Specifiction yet; its figures are above.

Posthawk has no write-up on Specifiction yet; its figures are above.