Best AI SEO Software in 2026
Updated
In short: DefiniteSEO is ranked #1 of 33 as of 4 October 2026, ahead of Frase and NEURONwriter. The best-ranked option with a free plan is Frase. The lowest first paid tier on this page is DefiniteSEO at $0.42/mo.
If you’re weighing AI-assisted tools for search work, compare how each handles keyword research, competitor analysis and content optimization. SEO content briefs, rank tracking and technical SEO audits offer further ways to assess support for planning and monitoring your work. Publishing workflows, free-plan availability and paid-from pricing are also shown, so you can weigh capabilities against the cost details. The entries include DefiniteSEO, Frase and NEURONwriter, as well as established names such as Ahrefs and Semrush. Consider which research, content and tracking needs matter most for your SEO work, then use the listed criteria to make a practical comparison.
33 AI SEO software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
AI SEO Software, ranked on how quickly a newcomer can get going. 11 of the 25 on this page can be tried for free.
- 1 DefiniteSEOPaid from $0.42/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 2 FrasePaid from $19/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: not on record
- 3 NEURONwriterPaid from $1.58/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: not on record
- 4 MarketMuseFree plan
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: not on record
- 5 AhrefsPaid from $29/mo
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 6 SemrushFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 7 Moz ProPaid from $49/mo
- Free to practise on: not on record
- Free trial: yes
- Well documented: yes
- Runs where you work: not on record
- 8 Otimizador.AIPaid from BRL 499/mo
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 9 SearchScorePaid from £199/mo
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 10 MangoolsFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 11 ClearscopePaid from $129/mo
- Free to practise on: not on record
- Free trial: yes
- Well documented: yes
- Runs where you work: not on record
- 12 SpyFuPaid from $29/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 13 PageOptimizer ProPaid from $40/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 14 Outranking
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 15 SerpstatPaid from $50/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 16 Botify
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 17 CiteVista
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 18 Oncrawl
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 19 Sitebulb
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
- 20 Alli AI
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 21 Content HarmonyPaid from $50/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 22 Keyword InsightsPaid from $1/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 23 ScalenutPaid from $59/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 24 Search Atlas Link Building OutreachPaid from $79/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 25 SEO Writing AI
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
Compare all 25 in a table
| # | Platform | Score | Free plan | From | Free plan | Paid from | Keyword research | Content optimization |
|---|---|---|---|---|---|---|---|---|
| 1 | DefiniteSEO | 8.2 | Free plan | $0.42/mo | Yes | 4.99 /mo | advanced | advanced |
| 2 | Frase | 7.7 | Free plan | $19/mo | No | 39 /mo | — | — |
| 3 | NEURONwriter | 7.6 | Free plan | $1.58/mo | No | 19 /mo | — | — |
| 4 | MarketMuse | 7.5 | Free plan | Free | Yes | — | — | — |
| 5 | Ahrefs | 7.1 | Free plan | $29/mo | Yes | 29 /mo | — | — |
| 6 | Semrush | 7.0 | Free plan | — | Yes | — | — | — |
| 7 | Moz Pro | 6.9 | No | $49/mo | No | — | — | — |
| 8 | Otimizador.AI | 6.9 | Free plan | BRL 499/mo | Yes | — | basic | advanced |
| 9 | SearchScore | 6.8 | Free plan | £199/mo | Yes | — | none | basic |
| 10 | Mangools | 6.6 | Free plan | Free | Yes | — | — | — |
| 11 | Clearscope | 6.5 | No | $129/mo | No | 129 /mo | — | — |
| 12 | SpyFu | 6.4 | No | $29/mo | Yes | 29 /mo | — | — |
| 13 | PageOptimizer Pro | 6.2 | No | $40/mo | No | 40 /mo | — | — |
| 14 | Outranking | 6.1 | No | — | Yes | — | — | — |
| 15 | Serpstat | 6.1 | No | $50/mo | Yes | 50 /mo | — | — |
| 16 | Botify | 6.0 | No | — | — | — | — | — |
| 17 | CiteVista | 6.0 | No | — | Yes | — | none | none |
| 18 | Oncrawl | 5.9 | No | — | — | — | — | — |
| 19 | Sitebulb | 5.9 | No | — | No | — | — | — |
| 20 | Alli AI | 5.8 | No | — | No | — | basic | advanced |
| 21 | Content Harmony | 5.8 | No | $50/mo | No | 50 /mo | — | — |
| 22 | Keyword Insights | 5.8 | No | $1/mo | No | — | — | — |
| 23 | Scalenut | 5.8 | No | $59/mo | No | 59 /mo | — | — |
| 24 | Search Atlas Link Building Outreach | 5.8 | No | $79/mo | No | 79 /mo | none | none |
| 25 | SEO Writing AI | 5.8 | No | — | Yes | 19 /mo | — | — |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which AI SEO software is ranked first on The Geeks Club?
DefiniteSEO is ranked #1 of 33 with a score of 8.2. Frase is second and NEURONwriter third.
How many of these have a free plan?
9 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, DefiniteSEO has the lowest first paid tier we found: $0.42/mo.
How is this list ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on. Paid placements never change a rank.