UGC and performance creative for app brands
Fresh UGC ad tests every single week. Strategy, creators, scripts and editing handled by one specialist, with zero agency markup. Built to stop your CPA creeping while you scale.
Book a free 15 minute creative audit Free. No pitch deck. You keep the 3 hook ideas either way.I have made creative for teams at Plum · Chip · Monzo · Freeletics · Getir · Headway
Apps and brands I have created for, across fintech, fitness, education and consumer
Why installs get expensive
The same 3 ads have been running for weeks. Frequency climbs, hook rate drops, and your CPA creeps 10 to 20 percent before anyone notices.
Vetting, briefing, chasing footage, requesting reshoots. Marketplace UGC arrives generic and off brief. Your team burns hours on it.
The algorithm finds your audience through the ad itself. The teams winning right now are simply out testing everyone else.
The work
Featured: Plum
Brand level campaign creative for one of the UK's best known money apps. The same craft that goes into hero work powers every UGC test batch I ship.
The results
lower acquisition costs through structured creative testing
installs generated for app brands
users reached across paid campaigns
Results from campaigns I created and worked on across previous roles and client projects. Happy to walk through the specifics on a call.
Packages
One per brand · single project · 7 day turnaround
3 month minimum · 7 day turnaround per batch of 5
For apps spending £30k+ per month
How it works
I analyse your live ads and build a hook testing matrix. What to test, in what order, and why.
I source, brief and direct creators, then handle every script, edit and variation myself.
Winners get scaled into new variations. Losers teach us what to test next. Your CPA stays honest.
Who you are working with
I have worked in house at app brands, briefing creators, managing agencies and running paid campaigns. And I have been behind the camera, making the ads myself.
That means you get one person who handles strategy, creator direction, scripting and editing. No account managers, no markup, no telephone game between the person who understands your numbers and the person cutting the ad.
Marc Castro
Questions
UGC without a testing framework is a coin flip. I ship 2 hook variations on every video against a testing matrix, so we find winners systematically instead of hoping one video lands.
You keep media buying in house or with your buyer. I ask for read only analyst access to your ad account, or a simple weekly export. Every ad ships with a naming convention so we can see exactly which hook, creator and format drives results, then we iterate on the winners.
Marketplaces give you footage. I give you briefed, edited, performance ready ads with strategy behind them, and I iterate based on what your ad account says.
Keep them on organic. I am your paid creative volume engine, so your team stops firefighting edits and gets fresh tests every week.
I have made creative for fintech brands including Plum, Chip and Monzo. Every script gets your approval before filming, and I know what ad policy allows.
The Test Pack is a single project. £950, four ads, judge me on the data. Growth runs on a 3 month minimum because creative testing needs iterations to pay off.
Test Pack: 7 working days. Growth ships as 2 batches of 5 videos per month at 7 working days per batch. Performance Partner runs 4 weekly batches of 5 at 5 working days per batch, the fastest cadence I offer. All turnarounds run from approved brief and are contractual.
Book a free 15 minute creative audit. I will review your live ads and show you 3 hooks I would test first. Useful whether we work together or not.
Book the free audit I run this solo and take on a small number of clients at a time.Prefer email? marc@castrocreative.co.uk