Amounts and prices
Pricing tables, carts, totals, applied discounts
Detection category
Values & states
A price dropping to zero, a cart total vanishing, a counter off by one, a status flipping from Warning to Failed. These regressions are not cosmetic: they change what your user reads and decides. They are displayed, so they can be compared.
66 / 437 cases tested 0 false positives 0 false negatives
Delta-QA's deterministic AI — not an LLM — is re-validated against all 437 tested cases, 66 of them in this category: 0 false positives, 0 false negatives.
Watch it catch them
Test it on your own pagesThe center box changes from purple to red and its text is updated.
1 differences detected by the human eye
What we detect
Indicators
Dashboard KPIs, counters, gauges, progress bars
Form states
Checked boxes, disabled fields, selected options
Statuses
Badges, state labels, table rows changing verdict
Chart data
Pie segments, series, values rendered as SVG
Text and labels
Typos, names, client-generated captions
Real-world scenarios
01 The price gone to zero
On a checkout page the price goes from $129 to $0 and the Total line disappears. The flow completes without error: a test that only checks the sequence of screens passes.
02 The dashboard that lies
Displayed revenue moves from $4.2M to $5.8M and the client count from 847 to 1,203. The layout is pixel-identical.
03 The off-by-one
A counter goes from 128 to 129, and a single-character typo slips into the text beside it. The kind of gap a human proofread lets through.
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