How *impression share* exposes lost views

What share measures#

Impression share divides the views you won by the views you were eligible for. High share means your bids and budgets capture nearly everything available; low share means demand you could have met went elsewhere. It is a diagnostic, not a goal: 95 per cent share at a ruinous CPA is failure wearing success clothes.

Read share beside CPA always, because the two together price every extra point of coverage. The economics underneath come from CPT to CPA maths, and the family context sits in the Apple Ads hub.

Pull the read at keyword level before believing it: one starved head term can drag an otherwise healthy ad group share downward, and the fix for one term is a bid while the fix for all of them is a budget.

Lost to bid: the auction verdict#

Views lost to bid mean your ceiling or your relevance could not clear the contest. Where tap through and conversion behaviour are healthy, raise max CPT in small steps until volume arrives; where tap through lags, fix fit first because dear bids on rejected ads only buy dearer rejections.

Apple own keyword bid guidance ties low views on relevant terms directly to bid raises, using the in-account suggestion as the yardstick. Price the move with max CPT ceilings and diagnose fit first with TTR diagnostics.

Lost to budget: the funding verdict#

Views lost to budget mean the daily budget ran dry while demand remained. Either fund the day properly or narrow the keyword field so the money covers fewer, better terms. A thin budget spread across 400 keywords starves all of them; the same budget on 40 feeds them.

Size the fix from target CPA times daily installs in budget maths, protect young campaigns through learning budgets, and prune the field with negatives before asking for more money.

The fix order that saves money#

Fix in this order: budget focus first, relevance second, bids third. Narrowing the keyword field is free, relevance repair compounds across every later bid, and raises come last when the ground is ready for them. Reversing the order spends money to learn what focus would have taught free.

Run relevance repair through relevancy and harvesting, hold the average with CPA caps while raising, and benchmark the resulting CPT against estimated vendor data in the AppTweak benchmarks.

Share looks different by tier#

Brand terms should hold commanding share at low cost; discovery terms earn lower share at higher cost, and that split is healthy. Judge each tier against its own past, never against the others, because a blended account share hides both the cheap wins and the dear leaks.

Keep the tiers in separate campaigns with separate budgets via discovery versus brand, price each tier through bid tiers, and defend brand share explicitly with brand and competitor terms.

When to stop chasing share#

Stop chasing when the next point of share costs more than the installs are worth. Share past the economic optimum is vanity: every account has a point where extra coverage only buys the dearest auctions, and disciplined advertisers leave those taps for rivals.

Set the stop line from break-even in the maths guide, scale sideways into new terms with scaling instead of upward into dearer bids, and if the stop line feels wrong, our team pressure tests share targets against live economics.

Frequently asked questions#