Zephior vs SupraBids
Get the response made beyond the proposal outline.
Choose Ziva when the task is completing the buyer’s original documents and commercial package. She can carry out those file changes with company evidence and retained instructions. SupraBids’ search, agency research and proposal-outline generator are useful inputs, rather than the same deliverable as a prepared response.
Where Ziva makes the difference
Get more of the work off your team’s desk.
Go from outline to working documents
Ziva can fill the original workbook, revise the technical narrative and prepare related annexes or slides. She can change calculations, tables and layout directly. Your team can review the actual package instead of manually producing the documents around an outline.
Use evidence and methods across bids
Build reusable knowledge from existing company documents and diagrams. Retain terminology, formatting rules and preparation instructions with Ziva. That reduces repeated search and setup when a new opportunity asks for familiar company evidence in a different format.
Bring specialists into the production scope
Source permissions separate reading, editing and review, with accepted file versions for correction and recovery. Paid Projects includes unlimited users within the organization. Compare the whole contributor group and completed work with SupraBids’ actual individual or team offer.
Where each fits
Start with the job you need done.
Consider SupraBids for
US suppliers seeking government-bid search, alerts, agency information and team opportunity tracking.
Choose Zephior for
Teams seeking a connected response workflow and an external partner for selected tender outcomes.
Federal and SLED opportunities are brought together
SupraBids describes SAM.gov and state, local and education search.
SupraBids government search and agency tools(opens in a new tab)Research includes buyer context
Agency profiles, award history and buying patterns support opportunity review.
SupraBids government search and agency tools(opens in a new tab)Team capacity differs by plan
Enterprise lists up to ten team members; entry plans are individual.
SupraBids plans, allowances and refund wording(opens in a new tab)Across the bid lifecycle
Follow the work, stage by stage.
Compare the published scope with the work your team needs. A capability to verify is an evaluation question, rather than proof a product cannot do it.
Discover
Find the next opportunitySearch includes keyword, geography, procurement-code and deadline filters.
SupraBids government search and agency tools(opens in a new tab)Search supported public procurement markets with Discover and receive company-specific monitoring through Intelligence.
Qualify
Decide where to investAgency history and relevance tools help prioritize; verify formal company eligibility separately.
SupraBids government search and agency tools(opens in a new tab)Assess relevance, requirements and evidence gaps. A preliminary Intelligence recommendation is distinct from a complete tender-document audit.
Pursue
Shape the bid strategyBuyer and award research can inform outreach and positioning.
SupraBids government search and agency tools(opens in a new tab)Bring in Zelius for pursuit sparring, bid strategy, specialist coordination and a scoped delivery plan.
Remember
Reuse company evidenceSaved searches, notes and reports support opportunity research. Demonstrate reusable company-response evidence separately.
SupraBids government search and agency tools(opens in a new tab)Turn existing documents and diagrams into reusable company evidence. Select the sources for each bid, review proposed knowledge changes and carry company terminology and working instructions into later assignments.
Respond
Produce the actual filesPricing mentions an AI proposal-outline generator. Test complete narrative, workbook and annex production.
SupraBids plans, allowances and refund wording(opens in a new tab)Give Ziva the buyer’s original files and the outcome. She can fill workbook cells, revise document content and layout, build calculations and prepare related Word, Excel, PDF and presentation deliverables.
Review and deliver
Move to approved outputExports support research handoff. Confirm final package preparation and buyer-portal submission responsibilities.
SupraBids government search and agency tools(opens in a new tab)Keep source-scoped reviewers, comments and accepted document history beside production. Review and restore prior accepted versions. Zelius can handle separately agreed submission work with customer approval and authority.
Zephior combines separately purchasable software and managed services. Customer decisions, declarations, pricing and final approval remain with the customer. Product access and service scope follow the chosen plan and agreement.
Pricing and ownership
Price the work completed, not just the subscription.
SupraBids
SupraBids lists monthly Basic $29.90, Professional $99 and Enterprise $299. Cost estimates are described as an add-on, and Enterprise lists up to ten members. The pricing page’s two tables differ on some allowances and delivery descriptions, so confirm saved-bid limits, alert cadence, federal access and add-on pricing in the selected order. Its 30-day dissatisfaction wording offers a resolution, not an unconditional refund promise.
SupraBids plans, allowances and refund wording(opens in a new tab)Zephior
Projects starts at CHF 500 per month for one Project Key, with unlimited users and company knowledge within one organization. Independent Intelligence starts at CHF 199 per month for one country. New software access starts paid with the published first-month money-back conditions. Zelius services have their own agreed scope and fees.
See current Zephior pricing ↗Compare the confirmed US coverage, team and alert limits with complete response production and any managed preparation.
Published prices are starting points, not like-for-like quotes. Confirm currency, taxes, billing period, scope and current terms with each provider.
Make the evaluation useful
Bring a tender your team knows.
Use a past submitted tender as a benchmark, or a suitable live package. Compare the evidence, the final output and the work left for your team.
Verify a federal and a local opportunity
Check original documents, amendments and deadlines, including any account required on the buyer portal.
Confirm the selected tier
Have the vendor state federal access, saved-bid capacity, alert delivery and estimate charges for your order.
Go beyond an outline
Produce the actual response, pricing workbook and supporting declarations from company evidence.
Agree final delivery
Assign factual checks, approvals, signatures, upload and retention of the official confirmation.
Questions before you choose
A closer look.
Does a proposal outline prove a complete response workflow?
No. Test the actual narrative, commercial files and evidence required by the buyer.
SupraBids plans, allowances and refund wording(opens in a new tab)Should the lowest subscription price decide the purchase?
Compare the complete process, including source fit, evidence review, preparation effort and any managed work.
Sources and comparison method
Reviewed 19 October 2026. Competitor descriptions use the official product and pricing sources below. These are published capabilities, not results from a controlled product trial. Zephior publishes this comparison and has a commercial interest in your choice. Workflow recommendations are our assessment.
- SupraBids government search and agency tools ↗(opens in a new tab)
- SupraBids plans, allowances and refund wording ↗(opens in a new tab)
For Zephior’s current offer, see Ziva, Zelius and pricing. Ask us to demonstrate any requirement that is essential to your decision.
Your next opportunity
Bring the work.
See how far Zephior takes it.
Discuss your markets, a representative tender and the parts your team wants to hand over.