Marketing in Public

Founder

Jack Friks

Solo founder of Postbridge

Marketing experiments
5
Products
Lovelee, Postbridge

Experiments

Short-form video
50K
views, with spike
200K
views, no spike
$0
spent

A 200k-view TikTok sold nothing. A 50k-view one spiked downloads

Jack Friks · Lovelee

A year after his short-form playbook, Jack Friks tested a new format for his app Lovelee: a 200k-view video produced no download spike, while a different format showed a very noticeable spike after just 50k views.

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Short-form video
30K
downloads
300
videos to find a winner
$0
spent

1 hour a day of short-form video: 30,000 app downloads in a month, no ads

Jack Friks

Jack Friks spends about an hour a day making and posting 6 short videos across warmed-up TikTok and Instagram accounts. He reports 30,000 downloads for his B2C app in a month, with no paid ads.

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X (Twitter)
9%
install → trial
250
installs
1
day

Day 1 on the App Store: 250 installs and 24 free trials

Jack Friks

On his new mobile app's first day on the App Store, promoted only on X, Jack Friks got 250 installs and 24 free-trial starts — a 9% install-to-trial rate — before doing any other marketing.

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Short-form video
8M
views
1.8K
posts published

1,800 recycled posts, 8 million views

Jack Friks · Postbridge

Jack Friks scheduled 1,800 of his own posts through Postbridge — most repurposed from content he made two years earlier — and they reached 8 million views, with Facebook Reels almost a third of them.

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