- digital subscription products
Subscription success story: Scaling spend, protecting CPA
The Results
The outcome was a resounding success
6x spend scale
Monthly investment expanded nearly six fold versus the prior period, with spend escalating from approximately $25k to $370k per month inside the campaign cycle.
+102k subscribers
New paying subscribers acquired during the post optimisation phase, a 5.9x increase over the previous period and a material expansion of the active subscriber base. Column 3
CPA held flat
Cost per acquisition moved only 3.5% during a six fold spend expansion, protecting the unit economics that make subscription models viable at scale.
The Challenge
A digital subscription products business had hit a clear volume ceiling. Despite operating a profitable acquisition channel, the existing campaign structure could not absorb additional spend without inflating CPA, capping subscriber growth and locking the business out of meaningful market expansion.
The Hypothesis
We believed the bottleneck was structural, not market driven. By rebuilding the account around granular intent signals, refreshing creative angles to break through fatigue, and migrating to value based bidding, we could unlock efficient scale while protecting the CPA discipline that subscription economics demand.
Strategy & Execution
To test our hypothesis, we implemented a data driven scaling framework built on four pillars:
Conducted full funnel cohort analysis to identify the audience segments with the strongest LTV to CPA ratio and reallocate budget toward the most efficient acquisition pools.
Deployed a layered audience expansion combining custom intent, in market, and lookalike modelling to access incremental demand pools without cannibalising existing performance.
Executed a continuous creative refresh program with new messaging angles including social proof, comparative value, and urgency framings to fight ad fatigue and unlock incremental CTR across the funnel.
Migrated to value based smart bidding with tCPA controls calibrated per audience tier, enabling aggressive spend scaling while holding CPA stable through the full expansion window.
