Quick verdict
Choose Iternal for government, defense, and enterprise teams that need AI running fully on their own infrastructure; choose Stotles for suppliers chasing UK government contracts who want to spot them early and draft the bid in the same tool. Stotles lists a starting price of £0 (Free plan), while Iternal is quote-only. In our capability model Iternal leads on DDQs, security questionnaires and answer library, while Stotles leads on integrations and self-serve setup.
Both profiles reviewed Oct 2026
2 of 70 profiles, one scoring modelNo paid placementSources checked: 8Choose Iternal or Stotles
IT
Choose Iternal when
- Government, defense, and enterprise teams that need AI running fully on their own infrastructure.
- You need stronger DDQs, security questionnaires and answer library than Stotles offers.
ST
Choose Stotles when
- Suppliers chasing UK government contracts who want to spot them early and draft the bid in the same tool.
- You need stronger integrations and self-serve setup than Iternal offers.
- You want a listed starting price: £0 (Free plan).
- Iternal: Government, defense, and enterprise teams that need AI running fully on their own infrastructure.
- Stotles: Suppliers chasing UK government contracts who want to spot them early and draft the bid in the same tool.
- Pricing: Iternal Custom vs Stotles £0 (Free plan)
Side-by-side comparison
| Capability | Iternal | Stotles | Edge |
|---|---|---|---|
| Best for | Government, defense, and enterprise teams that need AI running fully on their own infrastructure. | Suppliers chasing UK government contracts who want to spot them early and draft the bid in the same tool. | - |
| Starting price | Custom | £0 (Free plan) | Stotles |
| Free tier | No | Yes | Stotles |
| RFPs | 2/3 | 2/3 | Match |
| DDQs | 1/3 | 0/3 | Iternal |
| Security questionnaires | 1/3 | 0/3 | Iternal |
| AI drafting | 2/3 | 2/3 | Match |
| Answer library | 2/3 | 1/3 | Iternal |
| Source attribution | 2/3 | 2/3 | Match |
| Workflow & approvals | 1/3 | 1/3 | Match |
| Integrations | 1/3 | 2/3 | Stotles |
| Self-serve onboarding | 1/3 | 3/3 | Stotles |
| ISO 27001 | Not listed | Not listed | - |
| SOC 2 | Not listed | SOC 2 (type not stated) | - |
| US hosting | Not listed | Not listed | - |
| EU hosting | Not listed | Not listed | - |
| Slack | Not listed | Slack | - |
| Microsoft Teams | Not listed | Microsoft Teams | - |
| AWS, Azure, GCP | Not listed | AWS | - |
| Listed integrations | Intel, Dell, NVIDIA | Salesforce, HubSpot, Slack, Microsoft Teams, SharePoint, Google Drive, Stotles API, Stotles MCP (beta) | - |
| Certifications | SCIF-approved security | SOC 2, CSA STAR Level 1 | - |
What they look like
IT Iternal
ST Stotles
Security: ISO 27001, SOC 2, and regional hosting
Put Iternal and Stotles 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 | Iternal | Stotles |
|---|---|---|
| ISO 27001 | Not listed | Not listed |
| SOC 2 | Not listed | SOC 2 (type not stated) app.eu.vanta.com, 2026-10 Listed under Compliance on the Stotles trust center, next to CSA STAR Level 1. The report type is not shown publicly. |
| 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 Iternal and Stotles publish for those two connections.
| Connection | Iternal | Stotles |
|---|---|---|
| Slack | Not listed | Slack stotles.com, 2026-10 |
| Microsoft Teams | Not listed | Microsoft Teams stotles.com, 2026-10 |
Subprocessors: the big three clouds, then the niche names
Compare Iternal and Stotles 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 | Iternal | Stotles |
|---|---|---|
| AWS, Azure, GCP | Not listed | AWS |
| Watch-outs | No niche processors flagged in our sourced list. | No niche processors flagged in our sourced list. The four subprocessors shown on the trust center front page; the full list sits behind its Subprocessors tab. |
Pricing breakdown
Iternal
The RFP product (Waypoint, grounded by Blockify) has no published price; it starts with a scoping call and pilot. Other Iternal products publish prices, such as AirgapAI Chat at $697 one-time per seat and AI Academy training at $199/year, but neither is an RFP tool.
Stotles
Free Sales Studio plan for tender tracking and pre-tenders. Sales Studio Growth is listed from £475/mo and Expert is custom. Bid Studio has its own plans (a free tier with 3 lifetime bid/no-bid reports, then paid and custom tiers) plus a combined bundle. Some Basic and Bid Studio figures differed between sections of the pricing page on 9 October 2026, so check it before you budget.
Who should pick Iternal
Iternal is the pick for government, defense, and enterprise teams that need AI running fully on their own infrastructure.
- Runs on customer infrastructure, including air-gapped setups, which suits classified and data-residency-bound work.
- Pairs software with strategy consulting and structured training.
- Waypoint keeps one human proof step before anything is submitted.
Who should pick Stotles
Stotles is the pick for suppliers chasing UK government contracts who want to spot them early and draft the bid in the same tool.
- The buyer and contract data is the real product: Stotles says it surfaces expiring contracts 12 to 24 months before they come up.
- A genuinely free starting point: the Free plan includes unlimited users, so the whole sales team can watch the same pipeline.
- Discovery and bid writing sit in one place, so the tender you qualified is the one you draft against, buyer history and all.
Final verdict
These tools solve different problems, so the right pick depends on your priorities. Stotles publishes its starting price (£0 (Free plan)); Iternal is quote-only. In our capability model, Iternal leads on DDQs, security questionnaires, and answer library, while Stotles leads on integrations and self-serve setup. Iternal 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 Iternal review or Stotles review, or browse all RFP & DDQ software.
Frequently asked questions
What is the difference between Iternal and Stotles?
Iternal: Local, secure enterprise AI for regulated work. Stotles: UK public-sector tender tracking and buyer intel, with an AI bid-writing module. Iternal is best for government, defense, and enterprise teams that need AI running fully on their own infrastructure. Stotles is best for suppliers chasing UK government contracts who want to spot them early and draft the bid in the same tool.
Which is cheaper, Iternal or Stotles?
Stotles publishes a starting price (£0 (Free plan)). Iternal is quote-only, so request a quote for the same scope before comparing cost.
Is Iternal or Stotles better for DDQs and security questionnaires?
Iternal scores higher on DDQ and security-questionnaire handling in our capability model, though both support them.
Do Iternal and Stotles both handle RFPs?
Iternal: yes, a core strength. Stotles: yes, a core strength.
Which should you choose, Iternal or Stotles?
Iternal is the pick for government, defense, and enterprise teams that need AI running fully on their own infrastructure. Stotles is the pick for suppliers chasing UK government contracts who want to spot them early and draft the bid in the same tool.
Are there alternatives to Iternal and Stotles?
Yes. Browse the full directory of RFP, DDQ, and security-questionnaire platforms for more options and side-by-side comparisons.
Do Iternal and Stotles list ISO 27001, SOC 2, and US or EU hosting?
Iternal: ISO 27001 Not listed, SOC 2 Not listed, US Not listed, EU Not listed, Slack Not listed, Teams Not listed, clouds Not listed. Stotles: ISO 27001 Not listed, SOC 2 SOC 2 (type not stated), US Not listed, EU Not listed, Slack Slack, Teams Microsoft Teams, 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.
Iternal
Security and compliance
Product and integrations
Third-party reviews
- No review-site source recorded.
Stotles
Pricing
- No pricing source URL recorded. Treat pricing as not publicly disclosed until the vendor confirms it.
Security and compliance
Product and integrations
Third-party reviews
- No review-site source recorded.