BigSpy vs Semrush (Advertising Toolkit) in 2026
BigSpy is the more direct choice for finding and studying ad creative across 11 platforms. Semrush belongs in the decision only when paid-search competitor research needs to sit beside SEO, content, backlink, and technical-audit work.
BigSpy
Semrush (Advertising Toolkit)- BigSpy documents ad research across 11 platforms and 80-plus countries, while Semrush’s reviewed profile is centered on SEO, content, backlinks, technical auditing, and competitor benchmarking.
- BigSpy Free is a Facebook-only preview with 10 searches per day; Starter is $49/month billed annually and Growth is $119/month billed annually.
- BigSpy Growth adds Google Ads, YouTube, TikTok, X, Pangle, ad pages, domain analysis, tracked creatives, and followed pages and domains.
- BigSpy Ultimate is the published plan that adds Pinterest, Yahoo, and Unity, at $399/month billed annually.
- Semrush’s SEO Toolkit starts at €134/month, or €112.52/month billed annually; its standalone AI Visibility Toolkit is $99/month per domain.
- Semrush publishes a mature API and integrations such as Google Search Console and Looker Studio. BigSpy’s public profile does not establish an API or integration directory.
- BigSpy’s popularity, impressions, duration, and last-seen fields are research signals, not advertiser-reported conversions, spend, or profit.
Pick BigSpy when the question is what competitors are running, how their creative is changing, and which advertising surfaces are worth inspecting next. Its database covers 11 platforms, including Meta, Google Ads, YouTube, TikTok, X, Pinterest, Yahoo, Unity, Pangle, and AppLovin, although access varies by plan. Semrush is a broader search-marketing platform. Its reviewed profile documents keyword research, domain and competitor analysis, technical audits, backlinks, content tooling, and AI visibility monitoring, but it does not document a BigSpy-style multi-platform creative library with visual search, creative downloads, or TikTok product signals. That makes the paid-ad choice fairly simple: BigSpy for creative and ad-library research, Semrush for the search and site context around a competitor. Teams already paying for Semrush should not buy BigSpy expecting a replacement for SEO intelligence, and teams choosing BigSpy should not expect it to diagnose a site or manage organic-search work.
The tools at a glance
BigSpy
Multi-platform ad library for creative discovery, competitor research, and ecommerce product signals
BigSpy is an ad-research workspace for creative strategists who need to move beyond a single Meta search. Its public platform list includes Facebook, Instagram, Google Ads, YouTube, TikTok, X, Yahoo, Pinterest, Unity, Pangle, and AppLovin. Researchers can begin with a product, brand, or visual reference, then use keyword, feature, and visual search with filtering and deduplication.
Growth is the practical cross-channel plan. It adds Google Ads, YouTube, TikTok, X, Pangle, ad pages, domain analysis, TikTok Picks, TikTok Shop ads, charts, and followed pages and domains. Detail views can surface creative, advertiser information, popularity, impressions, duration, and last-seen data. Those fields are research signals, not verified sales or return.
Free covers Facebook only, Starter covers Facebook and Instagram, and Ultimate is required for Pinterest, Yahoo, and Unity. BigSpy does not publish an API or integrations catalogue. Buy it for repeated creative discovery and tracking, not as a substitute for keyword planning, technical auditing, backlinks, or connected reporting.
| Feature | Free $0 | Starter $49/mo billed annually | Growth $119/mo billed annually | Scale $299/mo billed annually | Ultimate $399/mo billed annually |
|---|---|---|---|---|---|
| Advertising platforms | Facebook, Instagram | Facebook, Instagram, Google Ads, YouTube, X, TikTok, Pangle, AppLovin ecommerce only | Growth coverage with five seats | All 11 listed platforms, AppLovin ecommerce only | |
| Searches | 10/day | Unlimited | Unlimited | Unlimited | Unlimited |
| Visual and feature search | Within 10 total/day | 100/day | 1,000/day | 1,000/day per seat | 2,000/day |
| Creative downloads | Not included | 50/day | 300/day | 300/day per seat | 3,000/day |
| Tracked creatives | 20 total | 100 total | 500 total | 500 per seat | 1,000 total |
| Ad pages and domain analysis | ✗ | ✗ | ✓ | ✓ | ✓ |
Semrush (Advertising Toolkit)
Search-marketing platform for keyword research, competitor benchmarking, technical audits, backlinks, content, and AI visibility
Semrush belongs to the surrounding search-marketing problem, not a like-for-like creative archive. Its reviewed profile covers keyword research, competitor benchmarking, technical audits, backlinks, content optimization, reporting, and AI visibility across five engines. It is useful when paid-search research needs to connect to a broader market and site strategy.
The platform publishes API access and broad integration support, including Google Search Console and Looker Studio, alongside branded PDFs and client portals. A search lead can keep keyword, backlink, crawl, and competitor work together. The trade-off is complexity and cost: the reviewed profile warns that users need time to gain consistent value, and add-ons can lift the total price.
Semrush does not document a BigSpy-style library across Meta, TikTok, YouTube, Pinterest, and other ad platforms, visual creative search, creative downloads, or a dedicated product-research workflow. It can inform a paid-search strategy through wider search data, but it is not the tool for collecting competitor ads, offers, formats, and creative patterns.
| Feature | Free Free | SEO Toolkit €134/mo or €112.52/mo billed annually | AI Visibility Toolkit $99/mo per domain | Semrush One Starter €190/mo or €158.40/mo billed annually | Semrush One Pro+ €286/mo or €238/mo billed annually | Semrush One Advanced Custom |
|---|---|---|---|---|---|---|
| SEO toolkit | Limited, 10 searches/day | ✓ | ✗ | ✓ | ✓ | ✓ |
| AI Visibility Toolkit | ✗ | Contact | ✓ | ✓ | ✓ | ✓ |
| Custom AI prompts | ✗ | Contact | 25, with 50 more for $60/mo | Contact | Contact | Contact |
| Brand Performance domains | ✗ | Contact | 1, extra domains $99/mo each | Contact | Contact | Contact |
Head-to-head feature comparison
| Feature | BigSpy | Semrush (Advertising Toolkit) |
|---|---|---|
| Primary job | Creative and competitor ad research | SEO and wider search-marketing intelligence |
| Published ad-platform coverage | 11 listed ad platforms, plan-dependent | No BigSpy-style multi-platform creative database documented |
| Creative visual search and downloads | Yes, paid plans list visual search and downloads | Not documented |
| Competitor pages and domain research | Yes, from Growth | Yes, through search and competitor benchmarking |
| SEO keyword and technical auditing | Not documented as a core feature | Yes |
| Backlink analysis | Not documented as a core feature | Yes |
| API and integrations | No public API or integrations directory published | Yes, including Google Search Console and Looker Studio |
| Free entry point | Yes, Facebook preview with 10 searches/day | Yes, limited to 10 searches/day and 10 tracked keywords |
| Published starting paid price | $49/mo billed annually for Starter; $119/mo Growth | €134/mo SEO Toolkit, or $99/mo per domain for AI Visibility Toolkit |
Which should you choose?
BigSpyThe better product depends on whether “advertising research” means creative observation or search-market analysis. BigSpy is narrower in a useful way: it has platform-specific creative coverage, visual search, tracking, and a clear pricing ladder for ad researchers. Semrush is broader and more connected, but its strength is making paid-search context part of a complete SEO and content programme. Buying Semrush instead of BigSpy only saves money when a team does not actually need a creative library. Buying BigSpy instead of Semrush leaves a large gap in keyword, site, backlink, and reporting work.
Bottom line
For a media buyer, ecommerce operator, or creative strategist who needs fresh competitor examples to inform an original test, choose BigSpy. Growth is the sensible point of entry once TikTok, Google Ads, YouTube, competitor pages, or domain analysis matter. Choose Semrush when the practical output is an SEO plan, technical backlog, keyword opportunity set, backlink comparison, or a client reporting workflow. The two can coexist, but they should not be justified as duplicate subscriptions: BigSpy answers what competitors appear to run, while Semrush answers how a domain competes in search.
Frequently asked questions
Is BigSpy or Semrush better for researching TikTok and Meta ad creative before a product launch?
BigSpy is the better choice for researching TikTok and Meta ad creative because its published product is a cross-platform ad library with keyword, feature, and visual search. Semrush’s reviewed profile is focused on search, SEO, content, technical audits, backlinks, and broader competitor benchmarking rather than a dedicated paid-social creative archive.
Which BigSpy plan do I need for Google Ads, YouTube, and TikTok competitor research?
BigSpy Growth is the first published plan that includes Google Ads, YouTube, and TikTok research, at $119 per month billed annually. It also adds ad pages, domain analysis, chart discovery, TikTok Picks, TikTok Shop ads, 500 tracked creatives, and 100 followed pages and domains.
Can Semrush replace BigSpy for a paid-media agency that needs a creative swipe file?
Semrush cannot replace BigSpy for a creative swipe-file workflow based on the reviewed public feature sets. Semrush can support the agency’s keyword, technical, backlink, and reporting work, but it does not document BigSpy-style visual ad search, creative download allowances, or ad-library coverage across the same published platform list.
Does BigSpy show exact competitor ad spend and sales results?
No, BigSpy does not present its popularity, impressions, duration, or last-seen fields as advertiser-reported spend, conversions, or profit. Use those fields to prioritize research and form a testing hypothesis, then validate performance using first-party campaign and commercial data.
When does Semrush make more sense than BigSpy for paid-search competitor analysis?
Semrush makes more sense when paid-search research needs to connect to keyword planning, domain competition, technical site issues, backlinks, content work, or ongoing client reporting. In that situation the broader platform can reduce tool switching, while BigSpy remains the specialist option for inspecting creative and ad activity itself.
Reviewed by Filipe Lins DuarteCo-Founder & CEOVast experience talking to customers and users to understand what good software looks like. Background spans commercial and product roles.
Checked by John RiceCo-Founder & CTO15+ years building tech products and web applications. Conducted hundreds of user interviews to know what a good product looks like.
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