# UI pattern trends over time Source: Lazyweb Research 12 data-backed questions on UI pattern trends over time. HTML: https://www.lazyweb.com/research/category/ui-pattern-trends-over-time Markdown: https://www.lazyweb.com/research/category/ui-pattern-trends-over-time.md ## Questions - [How fast did AI-assistant screens spread across mobile apps?](https://www.lazyweb.com/research/how-fast-did-ai-assistant-screens-spread-in-apps) AI-assistant screens roughly quadrupled in prevalence, from 2.4% of captured apps in 2023 to 8.8% in 2025 (64 of 730 companies) [1]. The jump traces to the generative-AI wave: ChatGPT was first captu… - [Is the countdown-timer paywall growing or dying?](https://www.lazyweb.com/research/is-the-countdown-timer-paywall-growing-or-dying) Neither - it peaked. Countdown-timer urgency screens rose from 5.1% of captured apps in 2023 to a 12.5% peak in 2024, then eased to 10.1% in 2025 (74 of 730 companies) [1]. It is past its peak but fa… - [Are onboarding flows getting shorter in 2026?](https://www.lazyweb.com/research/are-onboarding-flows-getting-shorter) Yes, modestly. Mean onboarding-flow length fell from 15.5 steps for flows first captured in 2023 to 12.4 in 2025 - about a 20% drop - with the median sliding from 12 to 10 [1]. The reliable compariso… - [How fast is biometric and Face ID login adoption growing in apps?](https://www.lazyweb.com/research/how-fast-is-biometric-login-adoption-growing) Biometric login roughly tripled, from 4.4% of captured apps in 2023 to 13.3% in 2025 (97 of 730 companies) [1] - the largest sustained climb of any pattern measured. It now appears on about one in se… - [When did passkey login take off in mobile apps?](https://www.lazyweb.com/research/when-did-passkey-login-take-off-in-apps) In 2025. Passkey adoption specifically (excluding legacy Face ID) was flat at 1.0% of captured apps in both 2023 and 2024, then jumped 4x to 4.1% in 2025 (30 of 730 companies) [1]. Passkeys are the n… - [How common is social proof on mobile apps, and is it still growing?](https://www.lazyweb.com/research/how-common-is-social-proof-on-mobile-apps) It is now the majority pattern. Social-proof screens (testimonials, reviews, ratings) roughly doubled in prevalence, from 25.6% of captured apps in 2023 to 53.3% in 2025 (389 of 730 companies) [1]. M… - [Are streak features still spreading beyond Duolingo?](https://www.lazyweb.com/research/are-streaks-still-spreading-beyond-duolingo) They spread, then plateaued. Streak screens rose from 6.8% of captured apps in 2023 to a 14.0% peak in 2024, then fell back to 8.1% in 2025 (59 of 730 companies) [1]. Streaks broke out beyond Duoling… - [Are referral and invite-friends screens still growing in apps?](https://www.lazyweb.com/research/are-referral-and-invite-friends-screens-still-growing) They doubled, then held. Referral/invite-friends screens rose from 10.6% of captured apps in 2023 to 22.1% in 2024, then steadied at 19.0% in 2025 (139 of 730 companies) [1]. Referral surfaces roughl… - [Is the home-screen widget upsell growing in apps?](https://www.lazyweb.com/research/is-the-home-screen-widget-upsell-growing) Yes, steadily. Home-screen widget upsells rose from 3.4% of captured apps in 2023 to 7.5% in 2025 (55 of 730 companies) - roughly a doubling off a small base [1]. It is a slow, consistent climb rathe… - [Are mobile paywalls actually declining, or is that a data artifact?](https://www.lazyweb.com/research/are-mobile-paywalls-actually-declining) It is almost certainly an artifact, not a real decline. The labeled paywall share falls from 43.7% of captured apps in 2023 to 28.1% in 2025 [1], but that drop is a labeling/coverage artifact: the is… - [Are AI image and avatar generator screens growing in apps?](https://www.lazyweb.com/research/are-ai-image-generator-screens-growing-in-apps) Only modestly. AI image/art/avatar generator screens rose from 2.4% of captured apps in 2023 to 3.5% in 2024, then held flat at 3.4% in 2025 (25 of 730 companies) [1]. This is a steadier, smaller pat… - [Which growth UI patterns are actually rising versus plateauing in 2025?](https://www.lazyweb.com/research/which-growth-ui-patterns-are-rising-vs-plateauing) Across 730 companies captured in 2025, the clearest risers are biometric login (4.4% to 13.3%, roughly 3x) and AI-assistant screens (2.4% to 8.8%, roughly 4x); social proof crossed into the majority…