CTR (click-through rate)
Click-through rate tells you how often people who see an ad act on it. It is a measure of how relevant and appealing the ad is, not of whether the people who clicked are worth paying for.
Updated
CTR is one of the oldest metrics in digital advertising and is reported by almost every ad platform. It sits at the top of the funnel: after an impression and before a landing page, a product page view or an install.
How CTR is calculated
Platforms differ in what they count as a click. Some count any interaction with the ad, others only clicks that lead to the destination. When comparing CTR across channels, check the definition before comparing the number.
CTR vs TTR in Apple Ads
Apple Ads calls the same idea tap-through rate, because users tap on a touch screen. Adapty Ads Manager reports TTR as taps divided by impressions. On App Store search results, the ad appears right where users are already searching for an app, so TTR tends to run much higher than CTR on display or in-app banner ads, where the user was doing something else.
| Country | Average TTR |
|---|---|
| United States | 9% |
| United Kingdom | 9% |
| Japan | 9.2% |
| Germany | 11.5% |
Source: Adapty, Apple Ads for subscription apps 2026. The report covers January to December 2025 campaigns across 8,000+ apps and 1,000,000+ ad groups; per-row app counts were not published. Treat these as reference points, not targets.
What CTR does and doesn’t tell a subscription app
A high CTR shows that the ad matches what the audience wants to see. On a keyword, a low TTR often means the app is not a good fit for the query or the ad does not show why it is. That is useful diagnostic information, and relevance also affects how Apple and other platforms price and deliver ads.
What CTR cannot show is value. A click is not a download, a download is not a trial, and a trial is not a paying subscriber. An ad with a curiosity-bait headline can raise CTR while attracting people who never subscribe. For a subscription app, CTR is an early signal to read alongside the rest of the funnel.
- Download rate: downloads divided by taps, which shows whether the product page closes the deal.
- Trial CR and subscription CR: whether downloads reach and convert on the paywall.
- Cost per trial and cost per subscription: what each outcome costs after every drop-off.
- Cohort revenue and ROAS: whether the traffic pays back over time.
How to improve CTR without hurting quality
- Match the creative to the intent. In Apple Ads, route keyword themes to a Custom Product Page whose screenshots show what the searcher asked for.
- Tighten targeting. Remove queries and placements where the audience clearly does not fit, using negative keywords in search.
- Refresh creatives that have run for a long time in social and in-app channels, where fatigue lowers CTR.
- Keep the promise consistent. The ad, the product page and the paywall should describe the same value, so a higher CTR carries through to trials.