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Glossary

TTR (Tap-Through Rate)

The ratio of taps to impressions for an Apple Search Ads ad placement. Expressed as a percentage. TTR is the funnel-top efficiency metric — it tells you whether your ad is interesting enough to be tapped.

Also known as: Tap-through rate, TTR ASA

What is TTR?

Tap-Through Rate (TTR) is the percentage of Apple Search Ads impressions that resulted in a tap. It is Apple’s equivalent of Click-Through Rate (CTR) — the same metric, different verb.

The formula:

TTR = Taps / Impressions × 100%

If your ad showed 10,000 times and got 500 taps, TTR = 5%.

Typical TTR by campaign type

Campaign typeTypical TTRNotes
Brand (your own app name)20-30%Brand intent is high; users were already searching for you
Brand defense (competitor’s name)8-15%Lower than own-brand; many users still tap competitor
Category (high-intent non-brand)5-12%Steady core driver of TTR volume
Discovery (Search Match + Broad)2-6%Wider net, lower precision
Today Tab1-3%Premium placement but pre-intent surface
Search Tab1-4%Browsing surface, not active search

Why TTR matters

TTR is the top of the paid-conversion funnel. Two campaigns with identical CR and CPT can have vastly different CPI just because of TTR difference:

CampaignTTRCRCPTCPIDaily volume @ 100K impressions
A8%35%$2$5.712,800 installs
B3%35%$2$5.711,050 installs

CPI is the same but Campaign B requires 2.7× more impressions for the same install volume. In a capped-budget scenario, Campaign A wins.

How to improve TTR

  1. App icon clarity. The icon is the most prominent visual in the search results card. Test high-contrast and benefit-clear icons quarterly.
  2. First screenshot strength. For Search Results placements that show one screenshot, the first screenshot must communicate the core value in <2 seconds.
  3. App name match. ASA shows the app name on the card. Names that include the searched keyword (or a close variant) typically get 15-30% higher TTR.
  4. Star rating. Below 4.0 stars suppresses TTR meaningfully. Above 4.5 is the competitive zone.
  5. Tighter keyword targeting. Search Match casting too wide produces impressions on low-relevance queries — TTR drops because users don’t recognize the relevance.

Common TTR failure modes

  • Icon refresh without testing. Replacing a familiar icon overnight drops TTR 20-40% for the first 2-4 weeks.
  • Search Match drift. Apple expanded your match scope to new queries that aren’t relevant. Audit the Search Term Report for new low-TTR terms.
  • Competitor entered auction. Their creative is stronger; you’re showing but losing attention. Either improve creative or accept the lower share.
  • App Store featured spot ended. Featured spots inflate organic TTR; when they end, paid TTR can look worse relative to baseline.

How ASAPilot helps

ASAPilot’s account audit tracks TTR per ad group and surfaces:

  • TTR drops >25% week-over-week (likely creative or auction shift)
  • TTR below ad-group baseline on specific Search Match terms (relevance drift)
  • TTR comparisons across Custom Product Pages (creative A/B insight)

See the audit guide and pricing for ASAPilot plan tiers.