Facebook Ads vs Instagram Ads: Where to Focus for DTC

Facebook Ads and Instagram Ads both run within Meta's ad platform, but they attract different users, support different creative formats, and drive different purchase behaviours for DTC brands.

Last updated: February 2026

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Are They Really Different Platforms?

Yes, and no. Both Facebook and Instagram are owned by Meta and managed through the same Ads Manager. When you create a campaign, Meta's algorithm automatically allocates your budget across placements on both platforms unless you specify otherwise.

Most advertisers running Advantage+ Shopping Campaigns let Meta decide where to show ads. In practice, Meta allocates the majority of budget to wherever it gets the cheapest conversions, which varies by audience, creative, and product.

But there are meaningful differences in user behaviour, creative performance, and demographics that make it worth understanding which platform is doing more for your specific brand.

Audience Demographics

Facebook in 2026

Facebook's user base has aged. The fastest-growing age groups on Facebook are 35-54 and 55+. Gen Z virtually abandoned Facebook for TikTok and Instagram. Despite this aging demographic, Facebook remains the largest social media platform by daily active users globally.

For DTC, this matters in the following ways:

Facebook remains the dominant platform for reaching buyers over 35 with proven purchase intent.

Instagram in 2026

Instagram's core user base is 18-34. It is the visual discovery platform, where trends start, aesthetics drive decisions, and impulse purchases happen. Instagram has evolved from a photo-sharing app to a full commerce platform with Shopping features, Reels, and Stories.

For DTC, Instagram excels for:

Instagram's audience is more aspirational and trend-driven. Brands that align with a visual identity or cultural moment perform disproportionately well on Instagram.

Side-by-Side Demographics

MetricFacebookInstagram
Largest age group35-4418-29
Gender split57% male, 43% female48% male, 52% female
Average daily time33 minutes29 minutes
Commerce behaviourResearch-heavyImpulse-discovery
Primary contentText, link posts, videoImages, Reels, Stories
## Creative Formats by Platform

Both platforms support the same Meta ad formats, but performance by format differs between platforms.

Best Performing Formats on Facebook

Best Performing Formats on Instagram

Key Format Difference

Instagram users expect visual quality and aesthetic coherence. A pixelated image or off-brand visual performs worse on Instagram than on Facebook, where utility-focused copy and clarity of offer can compensate for lower visual production.

Cost Benchmarks: CPM Comparison

Average CPMs by Placement (Q1 2026)

PlacementAverage CPM
Facebook Feed$12-16
Facebook Reels$7-11
Facebook Stories$6-10
Instagram Feed$18-24
Instagram Reels$11-15
Instagram Stories$10-14
Audience Network$2-5
Instagram Feed is consistently the most expensive Meta placement. Facebook Feed and Facebook Reels offer lower CPMs, often making them more efficient for direct-response campaigns.

Instagram's higher CPM reflects its younger, higher-engagement demographic. The premium is often justified for beauty, fashion, and lifestyle brands where Instagram audience quality translates to higher conversion intent.

Performance by DTC Vertical

Verticals Where Facebook Outperforms

Verticals Where Instagram Outperforms

Verticals With Similar Performance on Both

Facebook's Strengths for DTC

Lower CPMs at scale: Facebook's larger inventory means more competitive CPM pricing, especially outside of major shopping holidays. Brands looking to scale volume without CPM inflation often find Facebook Feed more efficient at high spend levels. Copy-heavy creative tolerance: Facebook users accept longer text in ad copy, enabling more detailed value propositions, ingredient explanations, and feature lists. This copy density drives conversions for considered purchases. Targeting legacy data: Facebook has a longer history of purchase signal data than Instagram (Facebook launched ads in 2007; Instagram ads launched in 2013). This translates to stronger audience modeling for older demographics. Marketplace integration: Facebook Marketplace is a commerce surface that drives organic and paid commerce for relevant categories. Brands in home goods, furniture, and resale-adjacent categories can benefit from Marketplace placement.

Instagram's Strengths for DTC

Highest purchase intent among young buyers: Instagram users are the most likely social media users to discover and purchase a new brand. Instagram's 2025 data shows 70% of users have discovered a new product through the platform. Reels as organic-paid amplification: Instagram Reels allows your paid ads to blend seamlessly with organic viral content. High-quality Reels ads are shared and interacted with at higher rates than Facebook video content, amplifying reach beyond paid distribution. Shopping native experience: Instagram's in-app checkout and product tagging creates a seamless path from ad impression to purchase. For brands with Instagram Shopping set up, in-app conversion reduces friction. Aesthetic brand building: Instagram serves as both a performance channel and a brand portfolio. Every Instagram ad impression doubles as brand awareness in a visual, curated environment. Facebook ads are less likely to contribute to long-term brand perception.

Placement Strategy: How to Allocate

Let Meta's Algorithm Decide (Recommended Default)

For most DTC brands running Advantage+ Shopping Campaigns, let Meta allocate between Facebook and Instagram automatically. The algorithm will serve ads where they convert most efficiently for your specific product and audience.

Manual Placement Strategy (When to Override)

Override automatic placement in these situations:

Force Instagram-only when: Force Facebook-only when: Use both with separate ad sets when: MHI Media's standard approach: Run ASC campaigns with automatic placement to let Meta optimize. Separately, run Instagram Reels-specific campaigns for creative types that are purely vertical video. This hybrid approach captures algorithmic efficiency while ensuring vertical video gets proper distribution.

Key Takeaways

FAQ

Should I advertise on Facebook or Instagram first?

Let Meta decide with automatic placement on your first campaigns. This gives the algorithm freedom to find where your specific audience converts best. After 30 days of data, check your placement breakdown in Ads Manager to see where your conversions are coming from, then use that insight to refine your approach.

Is Instagram more expensive than Facebook for ads?

Yes, Instagram placements typically cost 20-40% more CPM than equivalent Facebook placements. The premium reflects Instagram's higher engagement rates and younger demographic. For beauty, fashion, and lifestyle brands, the Instagram CPM premium is usually justified by higher conversion intent. For older-skewing products, Facebook's lower CPMs often deliver better CPA.

Can the same ad creative work on both Facebook and Instagram?

Square (1:1) and 4:5 vertical images and videos work reasonably well on both platforms. For best results, create platform-specific assets: highly aesthetic imagery for Instagram Feed, and Reels-format (9:16) vertical video for Instagram Reels. Facebook is more forgiving of varied creative styles.

Is Facebook still worth advertising on in 2026?

Absolutely. Facebook's user base is massive, its targeting data is unmatched, and its CPMs are lower than Instagram. For brands selling to audiences 30 and over, Facebook often outperforms Instagram significantly. The narrative that "Facebook is dead" reflects a skewed perspective from younger marketers in fashion and beauty categories. For supplements, health products, pet care, and home goods, Facebook remains highly effective.

How do I see which platform is driving more conversions?

In Ads Manager, break down your campaign results by placement. Go to Campaigns, click the Breakdown menu, and select Placement. This shows impressions, clicks, and conversions (or purchase events) by Facebook Feed, Instagram Feed, Reels, Stories, and other placements. This data reveals where your budget is being spent and what is converting.

The MHI Media team manages Facebook and Instagram campaigns for 30+ DTC brands. See how we can help yours.