Best SEM Optimiser Alternatives in 2026
Updated
20 apps from SEO tools ranked against SEM Optimiser on the same published basis.
- 1SEM Optimiser vs DefiniteSEO
- 2SEM Optimiser vs Positionly
- 3SEM Optimiser vs Ahrefs
- 4SEM Optimiser vs Semrush
- 5SEM Optimiser vs Scaleo
- 6SEM Optimiser vs Outerank
- 7SEM Optimiser vs Nokofy
- 9SEM Optimiser vs Rankora
- 10SEM Optimiser vs Rush Analytics
- 11SEM Optimiser vs Keyword Kick
- 12SEM Optimiser vs SignalSumo
- 13SEM Optimiser vs SEOPress
- 14SEM Optimiser vs Atomic
- 15SEM Optimiser vs Authoritas SEO Platform
- 16SEM Optimiser vs Collabim
- 17SEM Optimiser vs SpyFu
- 18SEM Optimiser vs Squirrly SEO
- 19SEM Optimiser vs LinkRocket
- 20SEM Optimiser vs Mangools
- 21SEM Optimiser vs FreeSERP
SEM Optimiser alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | DefiniteSEO | 9.2 | Free plan | $0.42/mo | Android, API, Browser, iOS, Linux, Mac, self-hosted, Web, Windows |
| 2 | Positionly | 8.7 | Free plan | $15/mo | Android, API, iOS, Web |
| 3 | Ahrefs | 8.3 | Free plan | $29/mo | API, Web |
| 4 | Semrush | 8.3 | Free plan | — | API |
| 5 | Scaleo | 8.1 | Free plan | $24/mo | API |
| 6 | Outerank | 8.1 | Free plan | $31/mo | API |
| 7 | Nokofy | 8.0 | Free plan | Free | API |
| 9 | Rankora | 8.0 | Free plan | $29/mo | Web |
| 10 | Rush Analytics | 7.9 | Free plan | $19/mo | API |
| 11 | Keyword Kick | 7.9 | Free plan | $49/mo | API |
| 12 | SignalSumo | 7.9 | Free plan | $49/mo | API |
| 13 | SEOPress | 7.9 | Free plan | $4.08/mo | API |
| 14 | Atomic | 7.8 | Free plan | $40/mo | Web |
| 15 | Authoritas SEO Platform | 7.8 | Free plan | £99/mo | API |
| 16 | Collabim | 7.8 | Free plan | Free | API, Web |
| 17 | SpyFu | 7.7 | No | $29/mo | API, Web |
| 18 | Squirrly SEO | 7.7 | Free plan | Free | API |
| 19 | LinkRocket | 7.7 | Free plan | $59/mo | Web |
| 20 | Mangools | 7.7 | Free plan | Free | API |
| 21 | FreeSERP | 7.7 | Free plan | $19/mo | Web |
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Questions about SEM Optimiser alternatives
What is the best alternative to SEM Optimiser?
DefiniteSEO, number 1 in SEO tools with a score of 9.2 out of 10. The others here: Positionly, Ahrefs, Semrush and 16 more.
What is the best free alternative to SEM Optimiser?
DefiniteSEO is the best-ranked alternative with a free plan. 19 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.