Spark Ads vs In-Feed Ads: Which TikTok Ad Format Delivers Better Results?
When businesses begin advertising on TikTok, one of the biggest questions they ask is:
Should I use Spark Ads or standard In-Feed Ads?
Both formats appear inside the "For You" feed, but they serve different purposes and often produce different results.
Understanding the strengths of each format helps you choose the right advertising strategy for your business.
What Are Spark Ads?
Spark Ads allow businesses to promote an existing TikTok post instead of creating a completely separate advertisement.
The promoted post keeps its:
• Likes
• Comments
• Shares
• Creator profile
• Organic engagement
Because users can interact with the original post, Spark Ads often feel more authentic.
What Are In-Feed Ads?
In-Feed Ads are advertisements created directly inside TikTok Ads Manager.
They appear naturally within the feed but are built specifically for advertising campaigns.
Businesses have complete control over:
• Creative
• Copy
• Call-to-action
• Landing page
• Campaign objectives
These ads are designed specifically to drive measurable business results.
Main Differences
Spark Ads promote existing TikTok content.
In-Feed Ads create brand-new advertising content.
Spark Ads benefit from existing social proof.
In-Feed Ads start with zero engagement.
Spark Ads feel more organic.
In-Feed Ads offer greater creative control.
Neither option is universally better—it depends on your campaign goals.
When Spark Ads Perform Best
Spark Ads are ideal when:
• A video is already performing well organically.
• Influencers create user-generated content.
• You want advertisements that blend naturally into the feed.
• Social proof is important.
Existing engagement often encourages additional engagement.
When In-Feed Ads Are Better
In-Feed Ads work best when:
• Launching new products.
• Running promotions.
• Driving website traffic.
• Collecting leads.
• Testing multiple creative concepts.
They provide greater flexibility for campaign optimization.
Which Format Builds More Trust?
Users generally trust Spark Ads more because they resemble normal TikTok content.
Seeing:
• Real comments
• Genuine likes
• Organic shares
creates additional credibility.
This often improves engagement rates.
Which Format Converts Better?
Conversion performance depends on several factors:
• Creative quality
• Audience targeting
• Landing page experience
• Offer
• Call-to-action
Spark Ads may receive higher engagement.
In-Feed Ads may produce stronger conversion tracking and optimization.
The best advertisers test both.
Creative Strategy
For Spark Ads:
Focus on authentic storytelling.
Examples include:
• Customer testimonials
• Product demonstrations
• Behind-the-scenes content
• Creator partnerships
For In-Feed Ads:
Build content around:
• Strong hooks
• Problem-solving
• Product benefits
• Clear offers
• Direct calls-to-action
Professional strategy matters more than expensive production.
Budget Considerations
Both formats support:
• Daily budgets
• Lifetime budgets
• Campaign optimization
Advertising costs vary based on:
• Audience
• Industry
• Competition
• Creative quality
Neither format is consistently cheaper.
Should You Use Influencers?
Spark Ads become especially powerful when creators produce content for your business.
Instead of publishing from your company profile, you promote content from the creator's account.
This often increases authenticity and engagement.
Testing Strategy
Many successful advertisers run both formats simultaneously.
For example:
Campaign A: Spark Ads using influencer content.
Campaign B: In-Feed Ads using branded creative.
Comparing performance helps determine which format delivers the strongest return.
Common Mistakes
Businesses often:
• Promote poor-performing organic posts.
• Ignore social proof.
• Create advertisements that feel overly promotional.
• Stop testing too early.
Continuous testing is the key to long-term improvement.
Which One Should You Choose?
Choose Spark Ads if your goal is:
• Higher engagement
• Authenticity
• Influencer marketing
• Building trust
Choose In-Feed Ads if your goal is:
• Website traffic
• Lead generation
• Product sales
• Full campaign control
Many successful businesses use both formats together.
Final Thoughts
Spark Ads and In-Feed Ads are both powerful tools within TikTok Ads Manager.
Rather than asking which one is universally better, ask which one best supports your current business objective.
Testing both formats, measuring results, and continually improving creative will almost always outperform relying on a single advertising strategy.
Need Help Running TikTok Ads?
At NewBrook Digital, we help businesses choose the right advertising formats, create engaging video campaigns, and optimize TikTok Ads for measurable business growth.
Book a free strategy session and discover how TikTok advertising can help your business attract more customers and increase sales.