Quick verdict
Choose Iris for presales and SE teams that triage RFP fit and draft fast; choose Tenderbolt for European bid teams that want AI tender responses with data kept in the EU. Neither publishes a comparable starting price, so quote both on the same scope. In our capability model Iris leads on security questionnaires and answer library, while Tenderbolt leads on approval workflows.
Both profiles reviewed Oct 2026
2 of 70 profiles, one scoring modelNo paid placementSources checked: 15Choose Iris or Tenderbolt
IR
Choose Iris when
- Presales and SE teams that triage RFP fit and draft fast.
- You need stronger security questionnaires and answer library than Tenderbolt offers.
TE
Choose Tenderbolt when
- European bid teams that want AI tender responses with data kept in the EU.
- You need stronger approval workflows than Iris offers.
- Iris: Presales and SE teams that triage RFP fit and draft fast.
- Tenderbolt: European bid teams that want AI tender responses with data kept in the EU.
- Pricing: Iris Custom vs Tenderbolt Custom
Side-by-side comparison
| Capability | Iris | Tenderbolt | Edge |
|---|---|---|---|
| Best for | Presales and SE teams that triage RFP fit and draft fast. | European bid teams that want AI tender responses with data kept in the EU. | - |
| Starting price | Custom | Custom | Match |
| Free tier | No | No | Match |
| RFPs | 3/3 | 3/3 | Match |
| DDQs | 2/3 | 2/3 | Match |
| Security questionnaires | 3/3 | 2/3 | Iris |
| AI drafting | 3/3 | 3/3 | Match |
| Answer library | 3/3 | 2/3 | Iris |
| Source attribution | 3/3 | 3/3 | Match |
| Workflow & approvals | 1/3 | 2/3 | Tenderbolt |
| Integrations | 2/3 | 2/3 | Match |
| Self-serve onboarding | 0/3 | 0/3 | Match |
| ISO 27001 | Not listed | Not listed | - |
| SOC 2 | SOC 2 Type II | SOC 2 Type II | - |
| US hosting | Not listed | Not listed | - |
| EU hosting | Not listed | Not listed | - |
| Slack | Slack | Not listed | - |
| Microsoft Teams | Not listed | Microsoft Teams | - |
| AWS, Azure, GCP | Not listed | Not listed | - |
| Listed integrations | Salesforce, Slack | SharePoint, Google Drive, Notion, Microsoft Teams | - |
| Certifications | SOC 2 Type II | SOC 2 Type II | - |
What they look like
IR Iris
TE Tenderbolt
Security: ISO 27001, SOC 2, and regional hosting
Put Iris and Tenderbolt 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 | Iris | Tenderbolt |
|---|---|---|
| ISO 27001 | Not listed | Not listed |
| SOC 2 | SOC 2 Type II | SOC 2 Type II |
| US hosting | Not listed | Not listed |
| 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 Iris and Tenderbolt publish for those two connections.
| Connection | Iris | Tenderbolt |
|---|---|---|
| Slack | Slack | Not listed |
| Microsoft Teams | Not listed | Microsoft Teams |
Subprocessors: the big three clouds, then the niche names
Compare Iris and Tenderbolt 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 | Iris | Tenderbolt |
|---|---|---|
| AWS, Azure, GCP | Not listed | Not listed |
| Watch-outs | No niche processors flagged in our sourced list. | No niche processors flagged in our sourced list. |
Pricing breakdown
Iris
Priced per active user with unlimited RFPs, proposals, DDQs, and security questionnaires (no usage caps). Seat prices are not published; contact sales for a quote. No free trial or free plan.
Tenderbolt
No public pricing or free trial; Tenderbolt sells through a demo.
Who should pick Iris
Iris is the pick for presales and SE teams that triage RFP fit and draft fast.
- Every drafted answer carries a citation and a confidence score, so reviewers know where to look first.
- Keeps answers tied to the source documents and flags outdated or conflicting content before it ships.
- Rated 4.9/5 on G2 (66 reviews, July 2026), with reviewers praising ease of use and task assignment.
Who should pick Tenderbolt
Tenderbolt is the pick for european bid teams that want AI tender responses with data kept in the EU.
- EU hosting and AES-256 encryption appeal to European buyers.
- Handles questionnaires, technical proposals and pricing schedules, not just narrative.
- Answers cite their sources and gaps are flagged rather than filled.
Final verdict
These tools solve different problems, so the right pick depends on your priorities. In our capability model, Iris leads on security questionnaires and answer library, while Tenderbolt leads on workflow and approvals. Iris 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 Iris review or Tenderbolt review, or browse all RFP & DDQ software.
Frequently asked questions
What is the difference between Iris and Tenderbolt?
Iris: AI RFP drafting for presales and sales engineering. Tenderbolt: AI responses for public tenders, hosted in the EU. Iris is best for presales and SE teams that triage RFP fit and draft fast. Tenderbolt is best for european bid teams that want AI tender responses with data kept in the EU.
Which is cheaper, Iris or Tenderbolt?
Neither publishes a comparable starting price, so request quotes for the same scope before comparing cost.
Is Iris or Tenderbolt better for DDQs and security questionnaires?
Iris scores higher on DDQ and security-questionnaire handling in our capability model, though both support them.
Do Iris and Tenderbolt both handle RFPs?
Iris: yes, a core strength. Tenderbolt: yes, a core strength.
Which should you choose, Iris or Tenderbolt?
Iris is the pick for presales and SE teams that triage RFP fit and draft fast. Tenderbolt is the pick for european bid teams that want AI tender responses with data kept in the EU.
Are there alternatives to Iris and Tenderbolt?
Yes. Browse the full directory of RFP, DDQ, and security-questionnaire platforms for more options and side-by-side comparisons.
Do Iris and Tenderbolt list ISO 27001, SOC 2, and US or EU hosting?
Iris: ISO 27001 Not listed, SOC 2 SOC 2 Type II, US Not listed, EU Not listed, Slack Slack, Teams Not listed, clouds Not listed. Tenderbolt: ISO 27001 Not listed, SOC 2 SOC 2 Type II, US Not listed, EU Not listed, Slack Not listed, Teams Microsoft Teams, clouds Not listed. 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.
Iris
Pricing
Security and compliance
- No security source URL recorded. Treat certifications and hosting as not publicly disclosed.
Product and integrations
Tenderbolt
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.