Grantboost
PaidAI grant-writing assistant for nonprofits
⚡ Quick Verdict
Nonprofits and grant writers drafting funding applications
General marketing copy, blogs, or non-grant business writing
Starter $32/mo · Growth $49/mo · Team $66/mo
No (free trial)
Purpose-built for grant applications
Narrow use case, no free tier
Bottom line: Grantboost scores 3.8/5, a focused, genuinely useful tool for nonprofits and grant writers who want AI help finding and drafting grant applications, though the lack of a permanent free plan and its narrow scope keep it from a higher score.
Grantboost demo video
Watch Grantboost's official demo to see Grantboost in action before reading our full review.
Official video by Grantboost via YouTube, embedded for reference. ToolChase does not host or claim this video.
What is Grantboost?
Grantboost is an AI grant-writing assistant built specifically for nonprofits, small businesses, and social-impact teams that need to find funding and write grant applications faster. Made by Grantboost LLC, it tackles a problem most general AI writing tools handle poorly: grant proposals have rigid word limits, funder-specific questions, and a formal tone that rewards precision over creativity. Instead of giving you a blank chat box, Grantboost guides you through a structured workflow, share details about your organization, paste in the grant opportunity, and let the AI generate tailored proposal answers grounded in your mission and track record.
The platform bundles two jobs nonprofits usually pay for separately. The Find Grants side is a searchable grant database with advanced filters, grant-matching, saved favorites, and alerts when new opportunities appear. The Write Grants side is the AI chatbot, Grantboost's core product, which drafts answers to application questions, respects exact word and character counts, and applies grant-writing best practices. Brand and tone controls keep the output consistent with how your organization actually communicates, and you can upload supporting documents so answers reference your real programs, budgets, and outcomes rather than generic filler.
By 2026, Grantboost says it is trusted by more than 10,000 grant writers worldwide. There is no permanent free plan, the product moved past its early free beta and now runs on paid tiers starting at $32/mo (a free trial lets you test it first). Compared to a general-purpose model like ChatGPT or Claude, Grantboost trades broad flexibility for grant-specific structure: built-in funder discovery, application tracking, word-count enforcement, and reusable templates that a blank chatbot simply doesn't provide out of the box.
Grantboost Pricing
Starter (Find Grants), $32/mo, 1 seat and up to 5 active projects, with grant discovery across 1.5M funding sources, AI mission matching, weekly alerts, AI proposal drafting, grant templates, and email support. Save $84/yr with annual billing.
Growth (Find + Write Grants), $49/mo, 5 seats and up to 20 active projects, with full pipeline management, AI proposal drafting, brand voice training, grant templates, and priority email support. Save $120/yr with annual billing.
Team (Autopilot), $66/mo, Unlimited seats and 50+ active projects, with pay per project beyond the limit, the full template library, enhanced data security, and an onboarding call. Save $156/yr with annual billing.
Free trial, Every plan can be tried free before subscribing; there is no permanent free tier.
Enterprise, Enterprise support is available on request. io/pricing.
Key Features
- AI grant-writing chatbot (Boost), Grantboost's core engine drafts answers to grant application questions, including the hardest open-ended ones, using your organization's details and grant-writing best practices
- Comprehensive grant database, searchable directory of funding opportunities with advanced filters and grant-matching so you surface grants that actually fit your mission and eligibility
- Real-time word and character counts, drafts are generated to fit each application's exact limits, eliminating the manual trimming that eats grant-writing time
- Best-practice templates, reusable, customizable grant-writing templates that encode proven proposal structures so you start from a strong frame, not a blank page
- Brand & tone controls, configure how the AI writes so every response sounds like your organization rather than generic AI output
- Organization data integration, feed in your mission, programs, budgets, and past achievements once so each application is tailored and accurately represents your nonprofit
- Grant application tracking, keep tabs on which applications are in progress, submitted, or awaiting a decision from one dashboard
- Grant alerts & notifications, get notified when new opportunities matching your filters are added to the database
- Document upload, attach supporting materials so the AI grounds its answers in your real documents instead of guessing
Pros & Cons
Pros
- Purpose-built for grant writing, handles word limits and funder questions that general AI tools fumble
- Combines grant discovery and grant writing in one platform instead of two subscriptions
- Brand and tone controls plus organization data produce proposals that sound like you, not generic AI
- Real-time word/character counts remove a tedious manual step in every application
- Application tracking and alerts add light workflow management on top of drafting
- Trusted by 10,000+ grant writers worldwide, a real, established product
Cons
- No permanent free plan in 2026, only a free trial, after which paid tiers start at $32/mo
- Narrow use case, it does grant writing well but isn't a general writing or marketing tool
- Seat and active-project limits mean growing teams need the $66/mo Team (Autopilot) tier
- AI output still needs human review and editing before submission, it's an assistant, not autopilot
- Limited independent third-party reviews compared to mainstream AI writing tools
- General models like ChatGPT or Claude can draft grant text for less if you don't need the database and tracking
Best For
Nonprofits writing recurring grant applications who want AI help drafting answers and a database to find new funding without juggling separate tools. Solo and small-shop grant writers who need to produce more applications faster while keeping each one tailored to the funder. Small businesses and social-impact teams pursuing grants who lack a dedicated grants department and want structure, templates, and tracking in one place. Development and fundraising staff who spend hours per application and want to cut drafting time while staying within strict word limits.
📋 Good to know
Sign up at grantboost.io and add your organization's details once. Paste in a grant opportunity, then let Boost draft answers you review and edit before submitting.
Your organization data and drafts are stored in Grantboost's cloud. Teams and Enterprise plans add advanced privacy/security and on-premise options.
Move from Starter ($32/mo, 1 seat, 5 active projects) to Growth ($49/mo, 5 seats, 20 active projects) as your team grows, or to Team ($66/mo, unlimited seats, 50+ active projects) for full scale.
Low. The guided workflow walks you from organization setup to a drafted answer, and templates give non-writers a strong starting structure.
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FAQ
What is Grantboost?
Grantboost is an AI grant-writing assistant for nonprofits, small businesses, and social-impact teams. It combines a searchable grant database for finding funding with an AI chatbot that drafts answers to grant application questions using your organization's mission, programs, and past results, while respecting each application's word and character limits.
Is Grantboost free?
No. Grantboost does not offer a permanent free plan in 2026, it ran a free beta early on but now uses paid tiers. There is a free trial so you can test the AI writing experience first. After that, plans start at $32/mo for Starter, with Growth at $49/mo and Team at $66/mo.
How much does Grantboost cost?
Grantboost's current plans are Starter at $32/mo (1 seat, 5 active projects), Growth at $49/mo (5 seats, 20 active projects), and Team at $66/mo (unlimited seats, 50+ active projects). Annual billing saves $84 to $156 per year depending on plan, and enterprise support is available on request.
Grantboost vs ChatGPT, which is better for grant writing?
ChatGPT is cheaper ($20/mo Plus) and more flexible, and it can draft grant text if you prompt it well. Grantboost is purpose-built: it adds a grant database, application tracking, word-count enforcement, and templates that a blank chatbot lacks. If you write grants regularly and want discovery plus structure, Grantboost saves time; if you only draft occasionally, ChatGPT or Claude may be enough.
What is Grantboost best for?
Grantboost is best for nonprofits and grant writers who produce applications regularly and want to find relevant funding and draft tailored answers in one tool. It shines when you have many applications with tight word limits and need consistent, mission-aligned proposals. It's a weaker fit for general business writing, marketing copy, or one-off documents.
Does Grantboost write the whole grant for me?
Grantboost drafts answers to application questions based on your inputs, but it's an assistant, not autopilot. You should always review and edit the AI's output, checking accuracy of figures, alignment with the funder's priorities, and tone, before submitting. The platform speeds up drafting and keeps you within word limits; the final judgment and facts remain yours.
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