1
Add an idea
Give it a title, jot a line of notes, and set Impact and Ease with sliders.
Rank your product ideas by Impact, Confidence, and Ease. Strong ideas with weak evidence drop; ideas with real support float to the top.
No sign-up. Your data stays in your browser.
How it works
2
Tick your evidence
Pick every type of supporting evidence you actually have. The strongest one sets your Confidence.
3
Watch the ranking build
Each idea joins a live ranked list. Edit, reorder by re-scoring, or print the summary for your team.
Why use ICE?
Opinionated defaults — no blank canvas, score your first idea in under 30 seconds
Low-evidence ideas can't hide behind big impact claims — multiplying keeps confidence decisive
Normalized 1–100 score — comparable across scale configurations, no magnitude surprises
Configurable scales and formulas — fit your team's cadence and appetite for risk
Ready for more than a calculator?
Votito's idea bank helps teams collect, discuss, and prioritise ideas together — with persistent storage, shareable links, and stakeholder voting. Set up a real idea bank in minutes.
Persistent storage across devices Shareable links for any idea Team collaboration and comments Stakeholder voting and evidence
Get started free0.1–0.9% improvement200%+ improvement
15–25%
Less than 1 weekMore than 26 weeks
6–7 weeks
Give the idea a title to add it
Your ideas, ranked
Your first idea goes here
Fill in the idea form and click Add to ranking. Ideas sort themselves by score as you add them.
0 / 100
Configure scales
Adjust the levels for Impact, Ease, and Confidence, or pick a different scoring formula. Changes apply to all ideas, existing and new.
Impact scale
How much each level would move a target business metric. Bigger improvements score higher. Pick the shape, level count, and range that match how your team thinks about wins.
Linear. Equal weight across the range. A small change matters the same at any level.
Logarithmic. A jump from 1% to 2% matters more than a jump from 100% to 200%. Small improvements get finer distinctions.
Exponential. A jump from 100% to 200% matters more than a jump from 1% to 2%. Large improvements get finer distinctions.
Curve preview — Impact score vs. input
Dots mark the level boundaries on the curve. Dashed bars show where each boundary falls on the input axis. Where dots cluster is where the scale gives the finest resolution.
Ease scale
How long each level takes to implement. Short-duration items score higher, long-duration items score lower. Pick the shape, level count, and range that match your team's sense of "quick" vs "slow."
Linear. Equal weight across the range. A week saved matters the same at any duration.
Logarithmic. A jump from 1 week to 2 weeks matters more than a jump from 20 weeks to 21 weeks. Short-duration items get finer distinctions.
Curve preview — Ease score vs. input
Dots mark the level boundaries on the curve. Dashed bars show where each boundary falls on the input axis. Where dots cluster (short durations) is where the scale gives the finest resolution.
Confidence levels
Types of evidence a user can tick for each idea. When multiple are ticked, the highest-scoring one wins. Unlike Impact and Ease, confidence types are discrete categories — order and overlap don't apply.
Scoring formula
How Impact, Confidence, and Ease combine into a single score. Pick the formula whose attitude to weakness matches how your team prioritises.
Unsaved changes. Click Done to apply.