# Which paid search advertising platforms help performance teams achieve stronger ROAS while reducing cost per acquisition based on user reviews?

Looking for input from G2 reviewers and performance marketing professionals in the Paid Search Advertising category — specifically from teams where ROAS and CPA are the primary accountability metrics and the operational challenge is not generating clicks but ensuring the clicks that convert do so at a cost that makes the channel economically viable at scale.

The platforms with the strongest ROAS improvement and CPA reduction evidence:

Google Ads: The high-intent targeting model, capturing users actively searching for a specific product or service, is described as the structural advantage that produces higher conversion rates than interruption-based advertising channels, making the channel economically justifiable at higher CPCs than lower-intent alternatives. Agency performance teams specifically credit the combination of keyword targeting precision, conversion tracking, and geographic controls for enabling daily spend optimisation that reduces wasted impressions without reducing reach to the highest-intent queries.
Optmyzr: Rule-based bid automation and budget pacing controls are described as the CPA reduction levers that Optmyzr provides on top of native platform automation, allowing performance teams to set bid adjustment triggers based on time of day, device, audience, and conversion rate thresholds without relying on the platform's black-box bidding.
Skai: Portfolio-level budget allocation across campaigns and channels, moving spend toward the campaigns and channels showing the strongest real-time CPA rather than maintaining static budget splits, is described as the structural ROAS improvement mechanism that performance teams credit Skai for enabling.
Microsoft Advertising: CPA advantages on Bing are specifically documented by performance teams whose primary channel is Google Ads but who test Microsoft as an incremental source; lower auction competition on many commercial keywords produces lower CPCs at similar conversion rates, delivering better CPA on comparable campaign structures.
SA360 (Search Ads 360): The unified conversion tracking and attribution model makes it possible to optimise bids based on full-funnel data rather than last-click signals from each engine's native reporting.

For performance teams who have measured ROAS or CPA before and after implementing a paid search management tool on top of native platform controls, what was the percentage improvement in CPA, and was the gain primarily from better bid management, improved negative keyword coverage, or smarter budget allocation across campaigns?

##### Post Metadata - Posted at: 7 days ago - Author title: Marketing Executive - Net upvotes: 1 ## Comments ### Comment 1 <p>I don't have a specific percentage I'd stand behind here, since that number varies too much by account size and starting point to generalize honestly. But the pattern in what performance teams describe suggests budget allocation tends to be the bigger lever than bid management alone, since native platform bidding already handles a lot of the bid-level optimization, the real gap it leaves is reallocating spend across campaigns fast enough to chase where CPA is actually improving in real time, which is what tools like Skai are built to add on top.</p> ##### Comment Metadata - Posted at: 7 days ago - Author title: SEO Content Writer ## Related discussions - [How well does Trello scale into a larger team?](https://www.g2.com/discussions/1-how-well-does-trello-scale-into-a-larger-team) - Posted at: over 13 years ago - Comments: 6 - [Can we please add a new section](https://www.g2.com/discussions/2-can-we-please-add-a-new-section) - Posted at: over 13 years ago - Comments: 0 - [Quantifiable benefits from implementing your CRM](https://www.g2.com/discussions/quantifiable-benefits-from-implementing-your-crm) - Posted at: over 13 years ago - Comments: 4