How we helped StealthGPT achieve a 287% increase in paid subscriptions with Google Ads

287%

more paid subscriptions

45%

lower CPA

29%

lift in ROAS

About StealthGPT

StealthGPT is an AI-powered writing tool designed to generate human-like content that bypasses AI detection tools. It caters to content creators, marketers, and businesses seeking undetectable AI-generated content for various applications, including blogs, ads, emails, and more.

The challenge

StealthGPT faced several challenges in scaling its paid acquisition efforts:

Inability to scale campaigns profitably

while maintaining a positive Return on Ad Spend (ROAS).

Disorganized conversion tracking setup

on Google Ads, leading to inaccurate performance data.

Low conversion rates and poor ad quality scores

that resulted in a high Cost Per Acquisition (CPA).

Our approach

To address these challenges, Hey Digital implemented a comprehensive strategy:

Conversion Tracking Optimization

We refined the conversion tracking setup by removing irrelevant conversion actions, ensuring accurate optimization and performance reporting.

Landing Page Development

Created targeted landing pages matched to each keyword and campaign — so when a student searched for “AI essay writer,” they landed on a page that spoke exactly to what they were looking for.

This reduced bounce rates, increased time on page, and significantly boosted conversions by making the journey from search to solution seamless.

Search Campaign Enhancement

Launched new Google Search campaigns with focused keyword groups, each paired with tailored ad copy to boost relevance, improve CTRs, and drive higher conversion rates.

Paid Social Awareness

Strengthened brand awareness on Meta by running engaging paid social campaigns tailored to students. We also used creative angles that:

Sparked attention with chat mockups
Tapped into pain points around grades and essay stress
Evoked emotions with messages like “Spend more time with your pets today, leave the essays to StealthGPT.”

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Results

+287% in paid subscriptions

A substantial rise in the number of paid subscriptions, indicating successful campaign scaling.

45% reduction in CPA

More cost-effective customer acquisition, enhancing overall marketing efficiency.

29% increase in ROAS

Improved return on advertising spend, reflecting better campaign profitability.

Comparison between September–August 2024 and October–December 2024.

By focusing on precise conversion tracking, targeted landing pages, optimized search campaigns, and compelling Paid Social creatives, Hey Digital effectively addressed StealthGPT's challenges, leading to remarkable growth in paid subscriptions and overall campaign performance.

If you're interested in achieving similar results for your B2B SaaS, schedule a call with our team.

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