Facebook vs Instagram Ads: Which One Is Right for Your Brand?

If you’re running paid ads in 2025, chances are you’ve asked yourself: Facebook or Instagram?

But instead of picking one over the other, the smarter move is to ask a better question:
How can you tap into the strengths of both and make them work together to grow your brand?

While they serve different audiences and content styles, Facebook and Instagram run on the same powerful platform. And when used together, they can drive better performance at a lower cost.

In this comprehensive guide, we shall break down the differences between Facebook and Instagram ads, including the behavioural patterns of users, exactly how each platform performs, and which one will let your content shine. You’ll also learn about when it would make sense to combine the two together, when to split campaigns, and when to explore alternatives like TikTok or LinkedIn.

If you’re a beginner at social media advertising or want a broader understanding of how it works, you should totally check out our Complete Guide to Social Media Advertising for Businesses.

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Understanding the Difference Between Facebook and Instagram Ads

While both Facebook and Instagram ads are managed through Meta Ads Manager, the intrinsic way users behave on each platform differs. That means the same creative may perform better on one than the other, depending on your offer, audience, and placement.

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Audience and User Demographics

Facebook: Broad Reach, Mature Audience

Facebook ads for businesses are ideal when targeting users aged 30 and up. Facebook is the go-to platform for reaching homeowners, parents, professionals, and older decision-makers. However, if your product or service appeals to a broad demographic or skews older, Facebook’s reach is hard to beat.

Ideal for:

• Service-based businesses
• B2B audiences
• High-ticket products
• Local lead generation

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Instagram: Visual, Mobile, Younger

Instagram ad results are stronger with younger demographics. Users aged 18 to 35 are shown to respond well to visual-first campaigns. Additionally, it’s a mobile-first platform built for lifestyle content and discovery. If you’re targeting millennials or Gen Z, then Instagram is where they would primarily scroll, shop, and engage.

Ideal for:

• eCommerce brands
• Fashion, beauty, and fitness
• Creatives and influencers
• Trend-led consumer goods

Both platforms offer powerful ways to zero in on consumers; therefore, choosing the right platform depends on your audience’s behaviour and intention.

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Ad Formats and Creative Options

Facebook

Facebook offers a wide range of ad formats that include image, video, carousel, slideshow, and lead forms. It’s especially useful for longer-form messaging, educational content, and multi-step funnels: think whitepapers, webinars, real estate listings, or local services with detailed offers.

You can also leverage:

• Facebook Instant Experience (for immersive mobile storytelling)
• Lead Ads (for capturing contacts without a landing page)
• Detailed copy above and below your visuals

This makes Facebook ideal when your product or services need more explanation and education to get your client across the line.

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Instagram

Instagram’s strength lies in the visual. Users scroll quickly, so your creative has to seize immediate attention. This refers to bold imagery, fast-paced video, and on-trend aesthetics.

Top-performing formats include:

• Reels (short-form video with high engagement)
• Stories (great for time-sensitive offers or behind-the-scenes content)
• Carousel posts (great for product highlights or step-by-step visuals)
• Shopping posts (for direct eCommerce sales)

There’s less room for copy, so visual storytelling is critical.

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Key takeaway:

Facebook supports more complex messaging and funnels, while Instagram thrives on bold, clean creative that fits the platform’s native style.

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Cost Comparison: Facebook vs Instagram

When it comes to cost, Facebook and Instagram are relatively close, but there are important differences to consider depending on your goals and creative approach.

For a broader view of how ad costs compare across platforms, budgets, and campaign types, check out our breakdown of the cost of social media advertising.

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CPM and CPC Benchmarks (2025)

United States (USD):

• ‍Facebook: CPM averages between $10–$15 USD, CPC typically ranges $0.80–$1.50 USD‍
• Instagram: CPM ranges $10–$20 USD, with CPC often slightly higher, especially for lifestyle or luxury-focused campaigns

Australia (AUD):

• ‍Facebook: CPM averages between $14–$22 AUD, CPC around $1.20–$2.30 AUD‍
• Instagram: CPM runs $15–$24 AUD, with CPC frequently between $1.50–$2.80 AUD, depending on niche and creative execution

Instagram CPMs and CPCs can be higher, but engagement often outpaces Facebook, especially for younger audiences or visually-led industries like fashion, travel, and wellness.

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Platform Efficiency

• Facebook tends to deliver better value for lead generation, local services, or longer sales cycles. The platform’s robust targeting and flexible placements make it a strong choice for B2B or high-consideration purchases.
• Instagram excels at brand awareness, product discovery, and direct-to-consumer sales. It’s a natural fit for eCommerce, beauty, fitness, and lifestyle brands with compelling visual assets.

Note: Regardless of the platform, performance is highly dependent on the creative. Even a big budget can fall flat if your visuals don’t grab attention within the first second, especially on Instagram Stories or Reels.

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Let the Meta Algorithm Do the Heavy Lifting

If you are still debating Facebook vs Instagram ads, the truth is that you do not need to.

Meta’s ad platform is built to deliver results across placements. When you run a campaign, the algorithm automatically tests your creativity on Facebook, Instagram, and across different placements like Reels, Stories, Feed, and more.

This system is designed to find the cheapest conversions and shift your budget towards what is working. So instead of guessing which platform is better, let the data tell you.

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But that does not mean you sit back and do nothing.

Here is how to work with the algorithm:

1. Use Advantage+ Placements

This feature lets Meta place your ad where it thinks it will perform best. It reduces your cost and expands your reach. Unless you have a specific reason to limit placement, Advantage+ is usually your best bet.

2. Test Different Creatives for Each Format

The same ad will not work across every placement. Design for vertical if you want to show up in Reels and Stories. Use square or horizontal for Feed. Keep your visuals and hooks tailored to the format.

3. Watch Performance by Placement

Even though Meta optimises automatically, you can still review where conversions are coming from. Use this to guide future creative? and campaign planning.

4. Let Campaigns Run Long Enough

The algorithm needs data to work. Cutting ads prematurely before a full learning phase will hurt its performance. Let the system stabilise before making calls.

When you trust the Meta Ad system and support it with strong creative, a clear offer, and clean targeting, you give your ads the best shot at success on both platforms.

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When It Makes Sense to Test Facebook vs Instagram Separately

Most of the time, auto placement is the smartest move. Meta’s algorithm is designed to optimise your budget across both platforms to get the best results.

But once your ad spend scales and patterns start to emerge in your data, it may be time to test platform-specific campaigns.

Here are the most common reasons to split Facebook and Instagram:

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1. One Platform Consistently Outperforms

If your Facebook or Instagram ads results clearly stand out, separating campaigns lets you double down on the platform that delivers and avoid spending on what doesn’t.

2. Your Audience Targeting leans clearly older or younger

Facebook’s audience is older and broader. Instagram skews younger and more visual. If your offer is clearly built for one of these groups, isolating the platform helps you spend more efficiently.

3. Your Creative Fits One Platform Better

Instagram content needs to be visual and native to mobile. Facebook allows more space for text, links, and detailed videos. If your campaign is built around one of these strengths, a split can help your creative perform at its best.

4. The Campaign Goal Aligns with One Platform

Short-term product drops or visual brand moments may suit Instagram. Lead gen or service offers may perform better on Facebook. When the goal clearly fits one environment, focus your efforts there.

5. You Need Cleaner Testing or Data

Running separate campaigns gives you more transparency and control. You can test creative, audiences, or offers without guessing which platform is doing the heavy lifting.

Final note: These tactics usually make sense when you’re spending at scale and looking for incremental gains. For most brands, letting Meta optimise across placements will deliver the best results early on. Let the data tell you when it is time to go deeper.

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Beyond Facebook and Instagram: Where Else Should You Advertise?

While Facebook and Instagram dominate many ad strategies, they’re obviously not the only options. Depending on your industry, audience, and goals, these other platforms may be worth exploring:

TikTok

• ‍Best for: Visual brands, Gen Z and Millennial targeting, product discovery‍
• Strengths: Viral potential, low CPMs, immersive full-screen formats‍
• Challenges: Requires strong creative storytelling, short attention spans
• ‍TikTok Adverts Links

LinkedIn

• ‍Best for: B2B businesses, professional services, recruiting‍
• Strengths: Unmatched job title and company targeting, high-quality leads‍
• Challenges: Higher CPMs, works best with longer sales cycles
• ‍Linked-In Adverts Link

YouTube

• ‍Best for: Brands with video content, awareness campaigns, product demos‍
• Strengths: Long-form storytelling, intent-driven targeting via Google‍
• Challenges: Creative investment is higher, needs solid call-to-action
• ‍YouTube Adverts Link

Pinterest

• ‍Best for: Home, fashion, food, lifestyle, DIY brands‍
• Strengths: Long content lifespan, high purchase intent, visual-first discovery‍
• Challenges: Slower to scale, more niche
• ‍Pinterest Adverts Link

If Facebook or Instagram aren’t delivering the results you want or you’re looking to expand, testing one of these alternatives could definitely improve your ROI.

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Conclusion: Let’s Make Facebook and Instagram Ads Work Smarter for You

Meta is designed to be cheaper when running Facebook and Instagram ads together. The algorithm works by finding the best placements in order to deliver ads where they’ll best perform- pretty cool huh!

So if you’re tired of trying to choose one over the other- you don’t have to! Maybe try focusing on making both platforms suit your brand’s needs. Definitely use auto placements as your default, and only split if your data shows an obvious reason to.

And if you’d rather have experts handle the strategy, testing, and optimisation, our paid social media advertising services can help you get the most out of both platforms without the guesswork.

If you’re lost and don’t know how to approach that process, working with a strategic partner should save you a ton of time and money!

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Frequently Asked Questions

Which is better for small businesses: Facebook or Instagram ads?

It depends on your product and audience. Facebook offers detailed targeting and works well for lead generation and local services. Instagram is great for visually driven brands and e-commerce.

Can I run ads on both platforms at once?

Yes. In fact, Meta recommends it. Using Advantage+ placements lets the algorithm deliver your ads across Facebook and Instagram and automatically optimise for the lowest cost per result.

Are Instagram ads more expensive than Facebook?

It depends on your audience, creative, and goals. Instagram can have higher CPMs, but it also offers stronger engagement for visual products. The algorithm works to balance spend between platforms for the best return.

How do I know where my ads are working best?

Use Meta’s Ads Manager to track results by placement. Break down performance by platform (Facebook vs. Instagram) to see where your budget is delivering the best return.

Do I need different creatives for Facebook and Instagram?

Not always, but it helps. Instagram Stories and Reels, for example, need vertical, fast-paced content. Facebook Feed ads can support longer copy and wider formats.