Deterministic comparison engine

Is the upgrade
actually worth it?

WORTHALYZE compares the phone in your pocket — with its real age, battery health and condition — against the one you are eyeing. It collects publicly available expert reviews, lab measurements and benchmark results from independent publishers worldwide, checks where they agree and where they disagree, weights what is left by what matters to you, and returns a verdict you can check line by line.

Analyze my upgrade See how we score

No generative AI in the verdict 35 publishers in 15 countries, growing 3 free verdicts, €2.99/mo for the full analysis

Sample verdict

iPhone 13 → iPhone 17

+47

Worth it

Upgrade Value Score

Active use runtime+62%

Sustained GPU+77%

Peak brightness+150%

Zoom qualityno real difference

Weight−2%

Illustrative. Your own numbers depend on your battery health, condition and priorities.

How it works

Describe what you own

Exact model, purchase date, condition, battery health, storage — and what you actually care about.

Pick the phone you want

Any newer model, at the real price you would pay for it today.

We gather the world's published evidence

Expert reviews, laboratory measurements, benchmark databases and professional evaluations from independent publishers across many countries and languages — each finding normalised and kept tied to the document it came from.

The engine decides, not a chatbot

Sources are compared against each other rather than averaged into a rating, then fixed weights, an ageing model for your battery and condition, and published thresholds produce the verdict.

What free gives you

3 headline verdicts with the Upgrade Value Score
How many things improve, stay the same or get worse
No reasoning, no evidence, no value maths

What the full analysis adds

Every metric, its weight and its exact contribution
Every source behind each figure, with the published quote and a link
Where independent sources agree — and where they contradict each other
Resale-adjusted cost, break-even score and cost per month
Saved products and comparison history

See pricing

Built to expand

Smartphones today. The engine is category-agnostic.

Each category is a definition file: its own metrics, weights, ageing model and questionnaire. The comparison maths never changes, so new categories arrive as data rather than rewrites.