Android · $14.99 one-time · Coming soon
Turn competing options into a defensible, ranked decision.
A weighted decision matrix for engineering trade studies. Score your options against weighted criteria, get a ranked result with a radar chart, and see exactly how sensitive that answer really is — before you present it.
What it does
Most trade studies live in a spreadsheet — a weighted matrix that's easy to build and easy to get subtly wrong. Vantage Tradespace is a purpose-built decision matrix tool: define your competing options and your weighted criteria (each with required anchor text for what a 1, 3, or 5 actually means), score every option against every criterion, and get a ranked, defensible result — not just a number, but the reasoning behind it.
Every study includes a radar chart comparing your top options at a glance, a tap-to-drill breakdown of exactly how each option's score was built, and a full sensitivity analysis in two forms: drag weight sliders (or type an exact percentage) to explore live "what-if" scenarios, and a static stability report showing how far each criterion's weight would need to shift before the ranking flips. When you're ready to share it, export a complete, professional PDF report in one tap.
Built for real trade study work
Weighted Scoring Matrix
2–6 options, 3–8 criteria, a 1–5 scale with required anchor text — no false precision from a 0–100 slider that doesn't mean anything.
Radar Comparison
A colorblind-safe radar chart compares your options at a glance, with a choice of color presets or custom colors per option.
Sensitivity Analysis, Two Ways
Interactive weight sliders and numeric fields for live what-if exploration, plus a static stability report for every criterion at your actual weights.
Professional PDF Export
One tap produces a complete report — scoring matrix, ranked outcome, radar chart, stability summary, and your rationale notes — ready to attach to a proposal.
Checkpoints & Named Scenarios
Save a checkpoint before a batch of changes and restore it later. Save named weight scenarios on the Sensitivity screen to compare later without losing your baseline.
Duplicate & Export Study
Duplicate a whole study to explore a variant without touching your original. Export any study to a file you control, with an optional passphrase.
How it relates to Zero Permission LLC
Paid app, on-device, zero tracking — same principles as every app we build. Vantage Tradespace stores your studies in an encrypted local database. Nothing is transmitted anywhere except Google Play's own purchase verification for the one-time unlock.
Vantage Tradespace is the first entry in Zero Permission's planned "SE Toolkit" line — tools for systems engineers and consultants who are tired of doing real analytical work in a spreadsheet that wasn't built for it. The privacy posture is the same standard every app we ship holds to: your data — competing vendors, pricing, client-confidential scoring rationale — never leaves your device. See our Privacy Policy for the full detail.