Best SEM Optimiser Alternatives in 2026
Updated
20 apps from SEO tools ranked against SEM Optimiser on the same published basis.
- 1SEM Optimiser vs Semrush
- 2SEM Optimiser vs Ahrefs
- 3SEM Optimiser vs Screaming Frog SEO Spider
- 4SEM Optimiser vs Rank Math SEO
- 5SEM Optimiser vs Google Search Console
- 6SEM Optimiser vs DefiniteSEO
- 7SEM Optimiser vs Frase
- 8SEM Optimiser vs SEOPress
- 9SEM Optimiser vs Marketing Miner
- 10SEM Optimiser vs Mangools
- 11SEM Optimiser vs SEO PowerSuite
- 12SEM Optimiser vs Keyword Tool
- 13SEM Optimiser vs Screaming Frog SEO Log File Analyser
- 14SEM Optimiser vs Yoast SEO
- 15SEM Optimiser vs SpyFu
- 16SEM Optimiser vs MarketMuse
- 17SEM Optimiser vs Outerank
- 18SEM Optimiser vs DataForSEO SERP API
- 19SEM Optimiser vs Netpeak Spider
- 20SEM Optimiser vs Moz Pro
SEM Optimiser alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Semrush | 9.0 | Free plan | — | API |
| 2 | Ahrefs | 9.0 | Free plan | $29/mo | API, Web |
| 3 | Screaming Frog SEO Spider | 9.0 | Free plan | — | API, Linux, Mac, Windows |
| 4 | Rank Math SEO | 8.9 | Free plan | — | self-hosted, Web |
| 5 | Google Search Console | 8.8 | Free plan | Free | API, Web |
| 6 | DefiniteSEO | 8.8 | Free plan | $0.42/mo | Android, API, Browser, iOS, Linux, Mac, self-hosted, Web, Windows |
| 7 | Frase | 8.7 | Free plan | $19/mo | API, Browser, Web |
| 8 | SEOPress | 8.6 | Free plan | $4.08/mo | API |
| 9 | Marketing Miner | 8.6 | Free plan | — | API, Web |
| 10 | Mangools | 8.5 | Free plan | Free | API |
| 11 | SEO PowerSuite | 8.5 | Free plan | $29.08/mo | API |
| 12 | Keyword Tool | 8.5 | Free plan | $68/mo | API, Web |
| 13 | Screaming Frog SEO Log File Analyser | 8.5 | Free plan | $11.58/mo | Linux, Mac, Windows |
| 14 | Yoast SEO | 8.4 | Free plan | $9.90/mo | API |
| 15 | SpyFu | 8.4 | No | $29/mo | API, Web |
| 16 | MarketMuse | 8.3 | Free plan | Free | Web |
| 17 | Outerank | 8.3 | Free plan | $31/mo | API |
| 18 | DataForSEO SERP API | 8.3 | No | — | API, Web |
| 19 | Netpeak Spider | 8.3 | Free plan | — | Mac, Windows |
| 20 | Moz Pro | 8.2 | No | $49/mo | Browser, Web |
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Questions about SEM Optimiser alternatives
What is the best alternative to SEM Optimiser?
Semrush, number 1 in SEO tools with a score of 9.0 out of 10. The others here: Ahrefs, Screaming Frog SEO Spider, Rank Math SEO and 16 more.
What is the best free alternative to SEM Optimiser?
Semrush is the best-ranked alternative with a free plan. 17 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on.