Free decision tools
Find the weak point before another campaign review turns into a debate.
A curated set of tools for the moments before a campaign decision gets messy: diagnose the leak, set the campaign up clearly, then sanity-check the economics.
Marketing Decision Control Assessment
Diagnose whether your campaign reviews suffer from metric mismatch, signal ambiguity, decision delay, zombie campaigns, or trust gaps.
8
questions
5
decision leaks
1
Decision Map
Decision lens
Diagnose what the campaign should be judged by
Use these when the team needs to understand the decision leak, market context, or review rule before looking at another metric.
Marketing Decision Control Assessment
Diagnose whether your campaign reviews suffer from metric mismatch, signal ambiguity, decision delay, zombie campaigns, or trust gaps.
Start assessment →Marketing Positioning Matrix
Find whether a campaign should educate, spark curiosity, build trust, or drive performance before choosing success metrics.
Map campaign zone →Campaign Decision Rule Builder
Create a lightweight pre-launch review rule before the wrong metric takes over the campaign decision.
Build starter rule →Campaign evidence
Set up cleaner signals before launch
Use these before launch or review so the campaign has a clear role, source trail, threshold, and next-decision context.
Campaign Role Brief Builder
Create a copyable campaign brief with role, audience state, success signal, and review guardrail.
Open tool →UTM builder
Generate campaign URLs with clean UTMs and OneLence-ready decision context.
Open tool →Break-even ROAS calculator
Estimate the ROAS floor, then check whether ROAS should lead the campaign decision yet.
Open tool →All free tools
Every calculator and builder in one list, including the basic ones not featured above.
- Ad budget calculator
- AOV calculator
- Break-even ROAS calculator
- CAC calculator
- CAC payback calculator
- Campaign Decision Rule Builder
- Campaign Role Brief Builder
- Contribution margin calculator
- Conversion rate calculator
- CPA calculator
- CPC calculator
- CPM calculator
- Creator budget split
- Creator ROI calculator
- CTR calculator
- Free AI Visibility Audit
- Infographic Maker
- llms.txt Generator
- LTV calculator
- LTV:CAC ratio calculator
- Marketing Decision Control Assessment
- Marketing Positioning Matrix
- Marketing ROI calculator
- MER calculator
- ROAS calculator
- Robots.txt Checker for AI Crawlers
- Robots.txt Generator
- Scale / Hold / Stop quiz
- UTM builder
Website setup
Need a cleaner consent layer too?
OneLence Consent is useful, but it belongs to a different job: making WordPress cookie consent cleaner and easier to manage.
Open Consent hub
Ready for connected decisions?
Turn one-off tools into a decision system.
Use the free tools to clarify the question. Use OneLence when you need source-level evidence, decision memory, and repeatable scale / hold / stop calls.