A/B test results from apps like Duolingo, Headspace and Clarks, collected by Mobbin. 48 A/B tests from abtest.design. Each one as notes: what was tested, which version won, and what to take from it.
Ask all of them a question · The course
VEED tested a paywall that showed yearly and monthly prices upfront against one that sold the benefits of Pro. The pricing-first version won on trial conversion, paid conversion, MRR and ARPU.
Blinkist rebuilt its free trial screen to show a clear step-by-step timeline of the 7-day trial, with a Day 5 reminder and a Day 7 charge notice. The change led to 23% more trial signups and 55% fewer customer complaints.
Moonly offered a free trial only on the annual plan, which pushed users toward the annual option because the trial made it feel safer. The test lifted view-to-subscription conversion by 39% and revenue per 100 installs by 47%.
Slopes replaced a secondary paywall screen with a one-touch "payramp" that starts a free trial right away. The change produced a 25% improvement in trial starts.
Headspace tested free trial lengths of 7, 14 and 30 days and landed on tying trial length to the plan: 7 days for monthly, 14 days for annual. The change produced a double-digit increase in conversions even though revenue arrived later.
Showing only the yearly plan on the paywall, with monthly tucked behind a link, shifts more buyers onto annual subscriptions. Mojo's test raised the share of yearly subscriptions by 15-20%.
Instasize tested showing its paywall at different points in the user journey to find the best moment to convert. Showing it right after the app opens won and lifted premium subscriptions by 7%.
Opal projected how many years a user would spend on their phone over a lifetime and showed how many they could save, creating a moment of high motivation right before the free trial offer. Through several iterations, trial sign-ups from downloads rose from 7% to 17%.
A PDF scanner app tested three subscription models against each other: monthly, weekly, and weekly with a trial. The weekly plan with a trial converted almost twice as well as the monthly plan.
Outseta moved from freemium to a 7-day free trial that requires a credit card, filtering out less serious sign-ups and easing the load on support. The change lifted conversion from 7.25% to 35%, roughly 4 to 5 times higher.
Promising a reminder email 3 days before a free trial ends can raise trial sign-ups without a meaningful rise in cancellations. Shaw Academy's test of this idea produced a 14% increase in sales at over 99% significance.
A paywall test showed that stating the free trial plainly and adding a prominent discount badge can lift sign-ups, with both variants listing the same premium features. The version with a 'Free during the month' message and a 'Save 60%' badge produced a 190% jump in direct conversion.
Unacademy changed its pricing page to lead with the per month price instead of the full course price. The change lifted click-through rate by 13.5% with 100% significance.
Runtastic replaced the promotional statement on its paywall with a real user review and a 5-star rating to use social proof. The change produced a 44% increase in paid subscriptions.
A paywall test on Peptalk compared an intermediate video details screen before the paywall against letting the premium video play for 10 seconds before the paywall appeared. The preview-first variant significantly beat the details-screen variant on conversion, though no exact numbers were shared.
Neos Kosmos tested two different images on its paywall to see whether the visual alone changes conversion. Swapping a Greek building for an image of immigrants arriving on a boat lifted conversion by 13%.
A publisher tested a benefits-led paywall message against an emotional, community-focused message that asked readers to support the work. The emotional version lifted conversion rates by 16%.
Showing a single estimated ride price instead of a price range reduced hesitation and built trust at checkout. The change produced a double-digit increase in rides per user.
HotelTonight removed the mandatory account creation step from checkout and asked only for name and email on the order summary screen. The A/B test produced a 15% increase in conversions.
Adding a best price guarantee widget to product pages reassured shoppers they were getting the lowest price and explained how it was achieved. The test produced a 9.6% increase in sales.
Using AI to generate slogans and descriptions and to pick top reviews for key product pages can lift sales. Hannah & Henry reported a 45.67% increase in sales from this test.
Adding short, benefit-focused descriptions at the top of product pages helped turn browsing visitors into buyers without discounts. The test produced a 31.56% increase in orders and a 66.2% increase in order revenue.
Showing cart abandoners a limited-time 15% discount with a countdown timer pushes hesitant shoppers to finish checkout. The test produced a 15.05% increase in conversion rate.
Adding a storytelling panel about sustainability and craftsmanship to the website raised sales. The test produced a 5% sales increase and an annualized return on investment of 237%.
Clear payment options at checkout stop customers from wrongly believing they can only pay with a loyalty card. Chick-fil-A tested new layouts and CTAs and got a 6% increase in credit card payments and customer complaints about the issue dropped to 0.
Clarks showed that making a free delivery policy visible on product pages can lift completed orders. The test raised conversions by 2.6%.
Making the returns policy for fit issues clear and visible during purchase addresses a key customer worry and makes buying simpler. T.M. Lewin's test of this design produced a 50% increase in conversion rate and a 7% uplift in monthly sales.
Headspace let users pick several reasons for using the app during onboarding instead of just one. This multi-intent change produced a 10% increase in free trial conversion.
Delaying the bank account step in a creator revenue-sharing program, so creators could start making content and see potential earnings first, cut onboarding drop-off. The change produced a 25% increase in creators enrolling.
Grammarly uses answers from an onboarding questionnaire to recommend a tailored pricing plan and updates the pricing page to match. The result was a 10-20% increase in upgrade rates.
Letting visitors scroll through about three pages of content before asking them to sign up reduces early friction by showing value first. Pinterest's test of this approach produced a 15-20% increase in signups.
Houzz split its contact form into three single-field screens (name, email, phone) instead of one combined form. Even with more clicks, conversion rose by more than 15%.
Mural replaced scattered pop-ups and banners with a five-step onboarding checklist that guides new users through their first session. The change produced a 10% relative increase in 1 week retention.
Dollar Shave Club rewrote the first steps of its subscription funnel in a more conversational, playful tone that matches the brand's voice. The change produced a 5.24% increase in subscriptions.
Virgin Mobile UAE cut friction in sign-up by pre-assigning a random phone number instead of forcing users to pick or transfer one first. The change lifted progression to registration by 9% and cut drop-off by nearly 18%.
Duolingo decoupled streaks from daily goals so that one lesson a day keeps a streak alive, no matter how high the learner set their goal. The change raised the number of learners on a 7+ day streak by over 40%.
Showing positive feedback and encouraging thoughts from other users during meditation sessions adds real-time social validation to the product. The test lifted the survival rate of free trial users by 3%.
Showing each investment's individual amount, not only the total portfolio value, helped users stay on Auto-Stash, the automatic saving feature. The change led to 12% more users still saving automatically 8 months later.
Paktor tested a heart and X for its like and dislike buttons against thumbs up and thumbs down icons. The thumbs design won, lifting like clicks by 6%, dislike clicks by 4.3% and repeat app usage by 2.3%, so the expected winner was not the best performer.
Headspace tested a referral program called 30-Day Guest Pass that gives invited friends a 30-day free trial instead of the standard 14 days. It lifted new signups by 7% and revenue by 8% through better trial to paid conversion from referred users.
SoFi made referrals transparent by showing users in real time how far each invited friend had progressed through sign-up, instead of revealing success only when a reward arrived. Referrals grew 20x and went from 2% to 40% of all new user sign-ups within 3 months.
Labeling paid-only features with a Pro badge tells free users what upgrading gets them and avoids surprise paywalls. In Mobbin's test, this single change raised free-to-paid conversions by 35%.
Busuu limited free users to one language and made multiple languages a Premium feature, targeting dedicated users who switch between languages. The test produced an 83% increase in conversions among these power users.
GitHub redesigned its pricing page by sharpening the contrast between tiers, highlighting the features customers value most, and cleaning up the look. The changes lifted free and paid signups by more than 20 percent.
Houzz built a dedicated, distraction-free landing page for paid traffic that focused only on 3D floor plans. The test lifted free trial starts by 5%.
Instapage tested a simplified pricing page that removed extra details and highlighted key features to make plan comparison easier. The simpler version did not win: the original converted slightly better, 3.67% versus 3.44%.
Changing a homepage CTA from "Sign up for free" to "Trial for free" made the premium free trial the clear action instead of a generic free signup. It produced a 104% month-over-month increase in trial starts.
A CTA design test on a class carousel showed that a thin-bordered button beat both the original and a button that matched the existing UI. The winning variant drove 13k clicks versus 9k and 7k for the others.