ROAS vs. ROI: Which Metric Should You Prioritize?

In digital marketing, data-driven decisions matter more than ever. But when it comes to evaluating campaign success, marketers often ask: ROAS vs. ROI—which one matters more? While both metrics assess performance, they serve different purposes and answer distinct questions about your marketing effectiveness.
ROAS vs. ROI: Understanding the Basics
Let’s break it down. ROAS (Return on Ad Spend) measures the direct revenue generated from advertising relative to the amount spent. For instance, if you spend $1,000 on ads and make $4,000 in revenue, your ROAS is 4:1. It focuses narrowly on the efficiency of your ad budget.
On the other hand, ROI (Return on Investment) takes a broader view. It includes all associated costs—like creative development, agency fees, tools, and labor—to show the true profitability of your marketing investment. ROI answers whether your entire strategy is truly paying off in the long run.
When to Prioritize ROAS vs. ROI
So, which metric should take precedence? It depends on your goals. If you’re testing new ad campaigns or managing a performance-based budget, ROAS can offer quick feedback on what’s working. It’s ideal for paid media teams aiming for efficient spending.
However, if you’re evaluating the full impact of your marketing strategy—especially across multiple channels—ROI provides a more comprehensive picture. Since it factors in overhead and indirect costs, ROI is key for long-term planning and strategic decision-making.
That said, the smartest marketers often use both metrics in tandem. For example, a campaign may deliver a strong ROAS but have a poor ROI once content production costs are considered. Understanding this nuance prevents overinvestment in underperforming tactics.
ROAS vs. ROI in Practice
Marketers using platforms like Google Ads or Meta often default to ROAS because it’s easy to access in dashboards. But for holistic business growth, ignoring ROI can lead to misaligned investments. Brands that effectively track both gain clearer insights and drive smarter results.