- Google Ads: capture intent (people searching). Higher CPC ($1-$5+). Best for B2B, SaaS, services, urgency.
- Facebook Ads (Meta): discovery. Lower CPM, audience targeting. Best for e-commerce, visual products, awareness.
- Top brands run both: Google for high-intent capture, Meta for top-of-funnel + retargeting.
Quick Comparison
| Factor | Google Ads | Facebook (Meta) Ads |
|---|---|---|
| User intent | High (active search) | Low-medium (browsing) |
| Targeting | Keywords + audience | Demographics + interests |
| Avg CPC | $1-$5+ (search) | $0.50-$3 |
| Avg CPM | $5-$30 (display) | $5-$15 |
| Conversion rate | 5-10%+ (search) | 1-5% |
| Best for | B2B, services, SaaS, urgency | E-commerce, visual, awareness |
| Visual format | Text + display | Image, video, carousel |
| Networks | Search, YouTube, Display | Facebook, Instagram, Audience Network |
Google Ads — Strengths
- High intent — they're searching for what you sell.
- Scalable — capture every search query.
- Predictable — keyword volume known in advance.
- Conversion-focused — bottom-of-funnel.
- YouTube reach included.
- B2B works well via search.
Google Ads — Weaknesses
- Higher CPC in competitive niches.
- Limited brand-building on Search.
- Setup complexity — many campaign types, settings.
- Saturation — top keywords dominated by big advertisers.
Facebook (Meta) Ads — Strengths
- Visual storytelling — image + video shine.
- Granular targeting — demographics, interests, behaviors, lookalikes.
- Cheap discovery — reach lots of people for $5-$15 CPM.
- Retargeting world-class.
- Awareness + conversion — full funnel.
- E-commerce built-in with Instagram Shopping.
Facebook (Meta) Ads — Weaknesses
- Lower intent — not actively shopping.
- iOS 14+ tracking limits hurt attribution.
- Creative-dependent — bad creative = no performance.
- Weaker for B2B in most cases.
- Algorithm volatility — performance swings.
Best Use Cases
Google Ads Best For
- Local services (plumber, lawyer, dentist).
- SaaS (people searching "best CRM").
- B2B lead generation.
- E-commerce (Shopping ads).
- High-intent moments ("emergency dentist").
- Brand defense (your name in search).
Facebook Ads Best For
- D2C e-commerce (visual products).
- Awareness for new brands.
- Retargeting site visitors.
- Lead gen with lookalike audiences.
- Lifestyle / visual products (fashion, home, beauty).
- Mobile app installs.
Cost Comparison Example
SaaS company, $10K/month split:
| Platform | Spend | Conversions | CPA |
|---|---|---|---|
| Google Search ($5 CPC) | $5K | 50 (5% conv) | $100 |
| Facebook ($1 CPC) | $5K | 100 clicks → 25 (1.5% conv) | $200 |
Google often wins for direct CPA. Facebook wins on top-of-funnel + LTV-driven brands.
Targeting Comparison
- Keywords (intent).
- Audiences (in-market, affinity).
- Demographics (limited).
- Geographic (precise).
- Custom intent (websites + searches).
- Demographics (age, gender, language).
- Interests (millions of options).
- Behaviors (purchase, device, travel).
- Lookalikes (1-10% of similar users).
- Custom audiences (your customer list, site visitors).
- Detailed targeting expansion.
Creative Requirements
Google Ads
- Headlines (15) + descriptions (4) — text-heavy.
- Sitelinks, callouts.
- Display: image ads (various sizes).
- YouTube: video.
Facebook Ads
- Image (1:1, 4:5, 9:16).
- Video (15-60s typical).
- Carousel (10 cards).
- Stories (9:16 vertical).
- Reels.
- Headline + body copy.
Multi-Platform Strategy
Top of Funnel
Facebook + YouTube — awareness, video storytelling, low CPM.
Mid Funnel
Facebook retargeting + Google Display — re-engage interested visitors.
Bottom of Funnel
Google Search + Shopping — capture buying intent.
Brand Defense
Google Search — bid on your brand to prevent competitors stealing.
Budget Allocation
| Business type | Suggested split |
|---|---|
| SaaS / B2B | 70% Google / 30% Meta |
| D2C e-commerce | 40% Google / 60% Meta |
| Local service | 80% Google / 20% Meta |
| Visual brand (fashion) | 30% Google / 70% Meta |
| Apps | 50% / 50% |
Frequently Asked Questions
Should I run Google or Facebook ads first?
Google for high-intent niches (services, SaaS, B2B). Facebook for visual products + brand-building. Start with one, expand to both.
Which is cheaper?
Facebook CPM lower but Google's higher intent often wins on CPA. Depends on product. Test both.
Can I run both?
Yes — most successful brands do. Google for capture, Facebook for awareness + retargeting.
iOS 14+ killed Facebook Ads?
Tracking limits hurt attribution but Facebook adapted (CAPI, Aggregated Event Measurement). Still works, just need broader measurement (incrementality tests).
TikTok Ads vs Facebook?
TikTok: younger audience, viral creative. Meta: broader reach + more refined targeting. Run both for D2C brands targeting Gen Z.
Key Takeaways
- Google: high intent, search-based. Facebook: discovery, visual.
- Google better for B2B, SaaS, services. Meta better for D2C, visual.
- Run both: Meta top-funnel, Google bottom-funnel.
- SaaS: 70/30 Google. E-commerce: 40/60 Google/Meta.
- Test, don't guess — your audience may behave differently.
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