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OneSignal vs Semrush Comparison

Compare OneSignal vs Semrush features, pricing, and more.

Last updated: November 2026

OneSignal logo

OneSignal

7.1/10

Winner

OneSignal is a customer messaging platform for sending mobile push, web push, in-app messages, email and SMS to app and website users.

Semrush logo

Semrush

6.3/10

Semrush is an SEO and AI search visibility platform for marketing teams and agencies, covering keyword research, site audits, rank tracking and competitor analysis.

Feature-by-Feature Comparison

Feature
OneSignal logo
OneSignal
Semrush logo
Semrush
Scores
Overall Rating7.1/106.3/10
Scalability8/108/10
Ease of Use8/106/10
Customization6/107/10
Security7/107/10
Support6/106/10
Cost7/103/10
Integration8/107/10
Analytics6/109/10
Pricing
Free planYesYes
Cheapest paid plan$19/mo
Growth
$139/mo
SEO
Estimated cost for 10 usersFree
Free
Free
Free
Features
A/B Testing
Email MarketingNot listed
SegmentationNot listed
SMS MarketingNot listed

OneSignal vs Semrush cost by team size

OneSignal and Semrush cost the same at every team size we checked.

Team sizeOneSignalSemrush
1 userFreeFreeFreeFree
5 usersFreeFreeFreeFree
10 usersFreeFreeFreeFree
25 usersFreeFreeFreeFree
50 usersFreeFreeFreeFree

The plan that fits each team size, billed monthly, before add-ons and usage charges. Each cost opens that tool's pricing calculator for the team size.

Which One Should You Choose?

OneSignal logo
Why choose OneSignal

  • Higher Cost score (7/10 vs 3/10)
  • Higher Ease of Use score (8/10 vs 6/10)
  • Better fit for startups (9/10 vs 5/10)
  • Better fit for small business (7/10 vs 5/10)

Semrush logo
Why choose Semrush

  • Higher Analytics score (9/10 vs 6/10)
  • Higher Customization score (7/10 vs 6/10)
  • Better fit for marketing teams (9/10 vs 7/10)

Pros & Cons

OneSignal logo
OneSignal

Pros

  • A free plan with unlimited push up to 1,000 MAU and 10,000 emails a month makes it cheap to start.
  • Push, in-app, email and SMS run from one platform with cross-channel journeys.
  • Reviewers on G2 and PeerSpot say the dashboard is easy for non-technical marketers to use.
  • A broad integration catalog covers CDPs such as Segment, RudderStack and Hightouch, data warehouses, and analytics tools.

Cons

  • PeerSpot reviewers call it expensive for large subscriber bases.
  • Free and Growth plans cap segments at 6 and 10, and reporting history at 30 and 90 days.
  • SMS pricing is not published and requires a sales conversation.
  • Reviewers mention unclear documentation for advanced cases and limited in-app design options.

Semrush logo
Semrush

Pros

  • Very large keyword database, cited at 26.8 billion keywords across 142 country databases, with intent tagging and clustering.
  • One subscription covers SEO, PPC research, content, link outreach and AI search visibility tracking.
  • Daily report limits do not use a credit system, and reviewers find them more generous than Ahrefs at similar prices.
  • A free plan and a 7-day trial on paid plans let buyers test it before committing.
  • Integrates with Google Search Console, Google Analytics, Looker Studio, Zapier and Make, with MCP access from the Starter plan.
  • SplitSignal runs SEO split tests that compare page groups and estimate the effect of on-page changes on organic clicks.

Cons

  • Each plan includes only one user, and extra seats start at 45 dollars a month, so team costs rise quickly.
  • Many users complain about two-step cancellation and billing disputes, and Trustpilot scores are around 1.6 to 2.1.
  • Monthly plans are not refunded, and the one-time refund covers only annual plans within 7 days.
  • The dense interface shows tools your plan does not include, and beginners face a learning curve.
  • Historical data requires Pro+, and full API access requires the custom Advanced plan.
  • Traffic and volume figures are estimates and can differ from Google Search Console for low-volume keywords.

Not sold on either?

Frequently Asked Questions

OneSignal scores higher on our Marketing criteria: 7.1/10 against 6.3/10 for Semrush. The largest gap is in Cost: 7/10 for OneSignal and 3/10 for Semrush.

Both are free for 10 users.

Yes, both OneSignal and Semrush have a free plan.

OneSignal is the better fit for startups: we rate it 9/10 for them, against 5/10 for Semrush.

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