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Add a grant writer to your team — without hiring one.

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Website, pricing, platforms and company facts side by side.
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| Website | thegrantsmaster.com | opalstack.com |
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In their own words, as submitted to SaaSHub.


GrantsMaster is a capacity engine for grant teams, built to help nonprofits, consultants, and agencies produce more funder-ready proposals without adding headcount. Rather than just generating text, the platform combines AI drafting with two built-in review layers: Checkmate, which scores a...
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As answered by people managing The Grants Master and Opalstack.
The Grants Master's answer
The Grants Master is one of the few AI tools built specifically for grant writing rather than general-purpose content generation. Its Checkmate engine scores drafts on funder alignment, compliance, narrative strength, and budget consistency before submission — something generic AI writing tools like ChatGPT don't offer. It also includes a dedicated NY Grants workspace with local funder rules and deadlines, and a Consultant Mode built for agencies managing multiple clients at once.
The Grants Master's answer
Unlike general AI writing tools, The Grants Master understands grant-specific structure and funder expectations out of the box, cutting average proposal time to 3.5 hours and lifting win rates from roughly 22% to 41% for its users. Compared to other grant-specific platforms, it goes further by combining drafting with built-in compliance scoring, a readiness checklist, and consultant-focused features like multi-client folders and white-label reporting — reducing the need for separate tools to draft, check, and manage proposals.
The Grants Master's answer
The primary audience is nonprofit organizations, grant consultants, and grant-focused agencies who need to produce more funder-ready proposals without expanding their team. This includes nonprofit directors and grants managers handling their own applications, as well as consultants and agencies managing grant writing for multiple clients — with an additional focus on New York-based organizations through its dedicated local workspace.
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