Best Free & Cheap GEO Tools (2026)
Separate permanent free tiers from trials and one-off audits. Rankscale Essentials is listed at a $17 monthly equivalent with yearly payment, while Pro has a $99 monthly offer. Compare the current offers for Otterly.AI, HubSpot AEO and Writesonic on matching usage and billing terms; an entry price alone does not establish the cheapest option.
Comparison
| Tool | Listed entry | Model | Best for | |
|---|---|---|---|---|
| Rankscale | From $17/mo Billed yearly · monthly equivalent | subscription | Teams evaluating prompt-based AI visibility, with a plan sized to monitoring frequency, engines and export needs. | Visit |
| Otterly.AI | From $29/mo Billed monthly | subscription | Solo marketers and SMEs wanting an affordable start in AI-search monitoring. | Visit |
| HubSpot AEO | From $50/mo Billed monthly · Free diagnostic snapshot available | freemium | Marketing teams evaluating AI visibility before ongoing prompt tracking. | Visit |
| Writesonic | From $79/mo Billed yearly · monthly equivalent | subscription | Content teams that want to both measure AND fix AI-search visibility in one place. | Visit |
Tools in this guide
Billed yearly · monthly equivalent
Credit-based AI visibility; Essentials requires yearly payment.
Best for: Teams evaluating prompt-based AI visibility, with a plan sized to monitoring frequency, engines and export needs.
Billed monthly
One of the cheapest credible AI-search monitors, from $29/mo.
Best for: Solo marketers and SMEs wanting an affordable start in AI-search monitoring.
Billed monthly · Free diagnostic snapshot available
A free AI-visibility snapshot, with paid ongoing brand monitoring.
Best for: Marketing teams evaluating AI visibility before ongoing prompt tracking.
Billed yearly · monthly equivalent
AI content + GEO tracking + an Action Center to fix issues.
Best for: Content teams that want to both measure AND fix AI-search visibility in one place.
Frequently asked questions
What are the cheapest ways to start tracking AI search visibility?
Separate permanent free tiers from trials and one-off audits. Rankscale Essentials is listed at a $17 monthly equivalent with yearly payment, while Pro has a $99 monthly offer. Compare the current offers for Otterly.AI, HubSpot AEO and Writesonic on matching usage and billing terms; an entry price alone does not establish the cheapest option.
How should I compare the total cost?
Match original currency, payment period, sites, users and usage. A listed monthly equivalent may require annual payment; verify current terms and optional services before choosing by price.