Semrush vs PLG OS
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. PLG OS has the lower starting price: about $49 a month, against $139 for Semrush.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Keyword research
- Rank tracking
- Site audit
- Backlink analysis
- AI visibility tracking
- Onboarding flows
- In-app user assistance
- Feedback surveys
- Loyalty and gamification
- Audience segmentation
- Feature flags
| Feature | Semrush | PLG OS |
|---|---|---|
| Best for | SEO, AI search visibility and competitor research in one suite | AI-built in-app onboarding, surveys and loyalty components |
| Category | Marketing | Marketing |
| Pricing model | Freemium | Freemium |
| Starting price | $139/mo | $49/mo |
| Free plan | Yes | Yes |
| Made by | Semrush (Adobe) | Questera |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
PLG OS has the lower starting price: about $49 a month, against $139 for Semrush.
Free plan
Cheapest paid plan
Top plan
Free trial
5 plans
Free
Free
- 1 demo project
- 10 reports per day
- No credit card required
SEO
$139/mo
- 5 websites to monitor
- 500 keywords tracked daily
- Basic keyword and competitor research
Starter
$199/mo
- SEO + AI Search
- Keyword research and optimization
- AI visibility tracking
Pro+
$299/mo
- 15 websites to monitor
- 1,500 keywords tracked
- Historical SEO data
- Unlimited AI prompts tracked
Enterprise
Contact sales
- Custom limits
- Enterprise SEO and AI platform
4 plans
Free
Free
- 100 tracked users
- 1 component
- 1 integration
- Campaign analytics
Starter
$49/mo
- 1,000 tracked users
- 2 components
- 2 integrations
- API support
Growth
$149/mo
- 3,000 tracked users
- 5 components
- Segmentation and feature flags
Scale
Contact sales
- Custom tracked users
- Unlimited components
- UI variants
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Semrush
- Very broad keyword and traffic database
- Covers SEO, ads, content and social
- Tracks brand mentions in AI answers
- Expensive once you add users and toolkits
- Busy interface with a learning curve
PLG OS
- Free tier to test
- Quick SDK integration
- Covers onboarding to loyalty
- Free tier allows one component
- Limits based on monthly tracked users
- Scale pricing needs a conversation
Which one should you choose?
Choose Semrush if you want:
- Very broad keyword and traffic database
- Covers SEO, ads, content and social
- Tracks brand mentions in AI answers
Watch out: expensive once you add users and toolkits.
Choose PLG OS if you want:
- Free tier to test
- Quick SDK integration
- Covers onboarding to loyalty
Watch out: free tier allows one component.
Semrush vs PLG OS FAQ
What is the difference between Semrush and PLG OS?
Semrush: SEO, AI search visibility and competitor research in one suite. PLG OS: AI-built in-app onboarding, surveys and loyalty components. Both are marketing tools.
Is Semrush or PLG OS cheaper?
PLG OS has the lower starting price: about $49 a month, against $139 for Semrush.
Do Semrush and PLG OS have free plans?
Semrush: Yes. PLG OS: Yes.
Who makes Semrush?
Semrush is made by Semrush (Adobe), based in United States.
Who makes PLG OS?
PLG OS is made by Questera.
Which should I choose, Semrush or PLG OS?
Choose Semrush if you value very broad keyword and traffic database and covers seo, ads, content and social. Choose PLG OS if you value free tier to test and quick sdk integration.