Business challenges
Make an unknown app known and generate downloads. Quickly identify the most effective channels and creatives to acquire users.
ClothesUp, a new Swiss second-hand fashion app, was starting from zero. A multichannel launch (Meta, TikTok, Google, Snap) and intensive creative testing to establish the app and generate its first downloads.
ClothesUp is the Swiss second-hand fashion app, the local equivalent of the big resale platforms, designed for Switzerland (Twint payment, local delivery, a community close to home). A good product, but with the classic problem of an app at launch: nobody knows it.
The real challenge for a marketplace goes further: downloading the app is not enough, people have to use it and make transactions. Generating installs is pointless if they remain inactive. The goal was not awareness for its own sake, but bringing in users who open, buy and sell, by quickly finding the channels and creatives that turn a stranger into an active user.
We were launching a completely new app, with no awareness at all. Contrast rolled out a setup across every platform, Meta, TikTok, Google, Snap, testing formats and videos to find what caught on. Within a few weeks, we had our first thousands of users and a real presence.
Make an unknown app known and generate downloads. Quickly identify the most effective channels and creatives to acquire users.
Be present on the platforms where the target audience is (Meta, TikTok, Google, Snap). Test formats intensively (video in particular) to optimise acquisition.
The setup
Three stages to launch the app: a multichannel rollout, intensive creative testing, then scaling up the winning combinations.
Simultaneous rollout on Meta, TikTok, Google and Snap to cover every touchpoint of the target audience and maximise the app's reach at launch.

Production and testing of many formats and videos to identify the angles that turn a view into a download. App acquisition is won on creative as much as on targeting.

Once the winning channels and creatives were identified, the engine runs: visuals and videos continuously adapted, distributed and optimised across the platforms to turn reach into real downloads.


What changed between an unknown app and an optimised multichannel launch.
Starting point: Unknown app, no awareness
With Contrast: Presence on 4 platforms
Starting point: Zero users
With Contrast: +5,000 downloads in 1 month
Starting point: No acquisition channel tested
With Contrast: Channels and creatives identified and optimised
ClothesUp
An app launch, from zero to its first thousands of users.
+5,000
Downloads in 1 month
The app's first thousands of installs, generated from zero during the launch campaign.
4 channels
Activated simultaneously
Meta, TikTok, Google and Snap deployed together to cover every touchpoint of the target audience.
45
Creative tests run
Forty-five creatives tested to identify the angles and formats that turn a view into a download.
Services involved
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