Quick verdict
Choose Vercor for solo consultants and lean teams juggling proposals, grants, and questionnaires; choose Whistic for security teams that run vendor assessments and also field customer questionnaires, and want both in one platform. Vercor lists a starting price of $0 (free tier), while Whistic is quote-only. In our capability model Vercor leads on RFPs, DDQs and self-serve setup, while Whistic leads on AI drafting, approval workflows and integrations.
Both profiles reviewed Oct 2026
2 of 70 profiles, one scoring modelNo paid placementSources checked: 14Choose Vercor or Whistic
VE
Choose Vercor when
- Solo consultants and lean teams juggling proposals, grants, and questionnaires.
- You need stronger RFPs, DDQs and self-serve setup than Whistic offers.
- You want a listed starting price: $0 (free tier).
WH
Choose Whistic when
- Security teams that run vendor assessments and also field customer questionnaires, and want both in one platform.
- You need stronger AI drafting, approval workflows and integrations than Vercor offers.
- Vercor: Solo consultants and lean teams juggling proposals, grants, and questionnaires.
- Whistic: Security teams that run vendor assessments and also field customer questionnaires, and want both in one platform.
- Pricing: Vercor $0 (free tier) vs Whistic Custom
Side-by-side comparison
| Capability | Vercor | Whistic | Edge |
|---|---|---|---|
| Best for | Solo consultants and lean teams juggling proposals, grants, and questionnaires. | Security teams that run vendor assessments and also field customer questionnaires, and want both in one platform. | - |
| Starting price | $0 (free tier) | Custom | Vercor |
| Free tier | Yes | Yes | Match |
| RFPs | 2/3 | 0/3 | Vercor |
| DDQs | 2/3 | 1/3 | Vercor |
| Security questionnaires | 2/3 | 2/3 | Match |
| AI drafting | 2/3 | 3/3 | Whistic |
| Answer library | 2/3 | 2/3 | Match |
| Source attribution | 3/3 | 3/3 | Match |
| Workflow & approvals | 1/3 | 2/3 | Whistic |
| Integrations | 0/3 | 2/3 | Whistic |
| Self-serve onboarding | 3/3 | 2/3 | Vercor |
| ISO 27001 | Not listed | ISO/IEC 27001:2022 | - |
| SOC 2 | Not listed | SOC 2 Type II | - |
| US hosting | Not listed | Yes (AWS US-West primary, AWS US-East standby) | - |
| EU hosting | Not listed | Not listed | - |
| Slack | Not listed | Slack (Trust Center sharing and assessment workflow) | - |
| Microsoft Teams | Not listed | Not listed | - |
| AWS, Azure, GCP | Not listed | AWS | - |
| Listed integrations | None listed | Salesforce, Slack, Jira, BitSight, DocuSign | - |
| Certifications | None listed | SOC 2 Type II, ISO 27001, ISO 42001, TX-RAMP Level 1 | - |
What they look like
VE Vercor
WH Whistic
Security: ISO 27001, SOC 2, and regional hosting
Put Vercor and Whistic through the same three questions a security reviewer will ask: ISO 27001, SOC 2, and whether you can keep the tenancy in the US or the EU. Cells say Not listed when we could not find the claim on a public vendor page.
| Check | Vercor | Whistic |
|---|---|---|
| ISO 27001 | Not listed | ISO/IEC 27001:2022 whistic.com, 2026-10 Certified since 2023 by Mastermind Assurance; certificate valid through May 2028. Whistic is also certified to ISO/IEC 42001 for its AI management system. |
| SOC 2 | Not listed | SOC 2 Type II whistic.com, 2026-10 Current report period June 1, 2025 to May 31, 2026; report available under NDA. |
| US hosting | Not listed | Yes (AWS US-West primary, AWS US-East standby) whistic.com, 2026-10 |
| EU hosting | Not listed | Not listed |
Slack and Microsoft Teams
During a live questionnaire, SMEs get pinged in Slack or Teams, not in a vendor portal. Here is what Vercor and Whistic publish for those two connections.
| Connection | Vercor | Whistic |
|---|---|---|
| Slack | Not listed | Slack (Trust Center sharing and assessment workflow) whistic.com, 2026-10 |
| Microsoft Teams | Not listed | Not listed |
Subprocessors: the big three clouds, then the niche names
Compare Vercor and Whistic on AWS, Azure and GCP first. Then scan for niche processors a reviewer should pause on: third-party LLMs, session replay, or support that leaves the region you elected.
| Layer | Vercor | Whistic |
|---|---|---|
| AWS, Azure, GCP | Not listed | AWS |
| Watch-outs | No niche processors flagged in our sourced list. |
The published list (dated August 25, 2026) has about 30 entries, all with a US corporate location, most of them sales, support and analytics tools. |
Pricing breakdown
Vercor
Free forever plan covers requirement extraction and compliance checklists for 1 seat. Pro is $249/mo billed annually ($299 monthly) with 15 proposal generations per period and $50 per extra generation; Unlimited is $415/mo billed annually ($499 monthly). No contracts or setup fees.
Whistic
No public prices: packages (Core, Assess + and Trust +) go through "Request Pricing". Core includes 5 Smart Responses; more are sold in increments of 50. A free Whistic profile is offered separately.
Who should pick Vercor
Vercor is the pick for solo consultants and lean teams juggling proposals, grants, and questionnaires.
- A real free tier lets you extract requirements and build checklists at no cost.
- Vercor says every drafted paragraph links to an RFP page or knowledge-base document, and missing facts become tracked placeholders.
- Covers grants alongside RFPs and questionnaires, which is unusual.
Who should pick Whistic
Whistic is the pick for security teams that run vendor assessments and also field customer questionnaires, and want both in one platform.
- Covers both directions of a security review: assessing your vendors and answering your customers.
- Smart Response shows its sources, a confidence score and a rationale, so reviewers can check answers quickly.
- Whistic holds SOC 2 Type II plus ISO 27001 and ISO 42001 certificates, and publishes its own subprocessor list.
Final verdict
These tools solve different problems, so the right pick depends on your priorities. Vercor publishes its starting price ($0 (free tier)); Whistic is quote-only. In our capability model, Vercor leads on RFPs, DDQs, and self-serve setup, while Whistic leads on AI drafting, workflow and approvals, and integrations. Vercor has the edge on DDQs and security questionnaires combined in our capability model. Many teams also run a dedicated AI-drafting tool alongside their existing stack rather than switching wholesale.
Read the full Vercor review or Whistic review, or browse all RFP & DDQ software.
Frequently asked questions
What is the difference between Vercor and Whistic?
Vercor: Self-serve AI for RFPs, grants, and questionnaires. Whistic: Third-party risk platform with an AI questionnaire responder and trust center. Vercor is best for solo consultants and lean teams juggling proposals, grants, and questionnaires. Whistic is best for security teams that run vendor assessments and also field customer questionnaires, and want both in one platform.
Which is cheaper, Vercor or Whistic?
Vercor publishes a starting price ($0 (free tier)). Whistic is quote-only, so request a quote for the same scope before comparing cost.
Is Vercor or Whistic better for DDQs and security questionnaires?
Vercor scores higher on DDQ and security-questionnaire handling in our capability model, though both support them.
Do Vercor and Whistic both handle RFPs?
Vercor: yes, a core strength. Whistic: limited.
Which should you choose, Vercor or Whistic?
Vercor is the pick for solo consultants and lean teams juggling proposals, grants, and questionnaires. Whistic is the pick for security teams that run vendor assessments and also field customer questionnaires, and want both in one platform.
Are there alternatives to Vercor and Whistic?
Yes. Browse the full directory of RFP, DDQ, and security-questionnaire platforms for more options and side-by-side comparisons.
Do Vercor and Whistic list ISO 27001, SOC 2, and US or EU hosting?
Vercor: ISO 27001 Not listed, SOC 2 Not listed, US Not listed, EU Not listed, Slack Not listed, Teams Not listed, clouds Not listed. Whistic: ISO 27001 ISO/IEC 27001:2022, SOC 2 SOC 2 Type II, US Yes (AWS US-West primary, AWS US-East standby), EU Not listed, Slack Slack (Trust Center sharing and assessment workflow), Teams Not listed, clouds AWS. Confirm both on the vendor sites.
Source registry
Every page we read for these profiles, with the month it was last checked. Anything without a source is shown as not publicly disclosed. Spot an outdated fact? Send it from the corrections page.
Vercor
Pricing
Security and compliance
- No security source URL recorded. Treat certifications and hosting as not publicly disclosed.
Product and integrations
Third-party reviews
- No review-site source recorded.
Whistic
Security and compliance
Product and integrations
Third-party reviews