NSF Proposals vs Shipmail

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

NSF Proposals compared with Shipmail
Detail	NSF Proposals	Shipmail
What it does	AI-powered and expert-reviewed SBIR NSF proposal and project pitch writing service	Business email hosting with calendars, newsletters, and booking pages on your own domain
Stage	Not given	Startup
Founded	Not given	2026
Based in	US	PT
Pricing model	Not given	Free trial
Pricing	Project Pitch Basic: $299 (limited time, first 100 clients); Project Pitch Premium: $399 (limited time, first 100 clients); NSF Proposal Basic: $1499 (limited time, first 100 clients); NSF Proposal Premium: $1999 (limited time, first 100 clients). Standard delivery for Basic plans; Priority delivery	Solo $4/mo (2 mailboxes), Pro $9/mo (4 mailboxes), Team $29/mo (12 mailboxes), Scale from $2.50/mailbox for the first 50 mailboxes. 14-day free trial on all plans. Add-ons: 100,000 newsletter sends $20/mo or $200/yr, 1,000,000 newsletter sends $149/mo or $1,490/yr.
Key features	AI-generated first draft (80% complete) Expert-supervised AI process ensuring structure and compliance Step-by-step submission guidance Experts take draft from 80% to 100% submission-ready Priority delivery in 2-3 days Unlimited expert reviews and refinements Hands-off service with expert management Guidance for Letters of Support (Phase 1 proposals) Access to hundreds of winning SBIR NSF proposals Up-to-date with NSF solicitation requirements	Calendar with CalDAV sync to phone and laptop Booking pages with automatic meeting links Zoom and Google Meet integration Shared inboxes for team collaboration Newsletters with send limits and subscriber tracking Email API and SDKs for transactional email IMAP and SMTP support for any email client Up to 50 custom domains per organization AI assistant in mailbox for writing and drafting Catch-all addresses for domain email routing
What makes it different	Saves up to 60% compared to hiring independent consultants Proprietary AI trained on hundreds of winning proposals Completely done-for-you Premium service requiring no final edits 100% Job Success rating with decade of government funding experience	All features in every plan regardless of tier Includes calendar and booking pages without separate tools Unified billing for email, calendar, and newsletters Pay per mailbox, not per user
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	11 −1 (down) since last check	32 no change since last check
Trust Flow (Majestic)	4	13
Citation Flow (Majestic)	15	32
Referring domains (Majestic)	23	111

5 details filled in for both companies.

More alternatives to NSF Proposals More alternatives to Shipmail