5 Best GEO Tools Under $100/Month for B2B SaaS Teams

What are the best GEO tools under $100/month for B2B SaaS teams?

The best GEO tools under $100/month for B2B SaaS teams are Sona AI Visibility, Otterly.ai, Rankscale, Peec AI, and Semrush. Choose based on the immediate need: revenue attribution, low-cost monitoring, credit-based tracking, a larger prompt set, or AI visibility reporting within an existing SEO workflow.

Generative engine optimization (GEO) tools measure how often a brand appears in AI-generated answers. They track prompts, citations, brand mentions, competitor comparisons, and answer-engine coverage across services such as ChatGPT, Perplexity, Gemini, Google AI Overviews, and other answer engines. Budget plans commonly cover the four major surfaces, although engine access varies by tier.

Prices were read from public listings in October 2026 and can change. A sub-$100 monthly budget generally means fewer tracked prompts, countries, markets, or reporting features. That scope can still cover core category, comparison, and high-intent buyer prompts for a focused B2B SaaS team.

How should you judge a budget GEO tool before paying?

Start with the buyer job, then compare billing model, prompt limits, engine coverage, citation tracking, and whether the product monitors, supports optimisation work, or runs an audit. Only tools with a verified listed starting price below $100 per month were ranked here.

This ranking reflects fit for a B2B SaaS team that needs repeatable AI-search visibility data, not a universal score. A founder tracking a narrow category needs something different from a demand generation team monitoring dozens of commercial prompts across several markets.

• Billing model: confirm whether the plan is a flat subscription or credit-based. Rankscale uses a credit-based model.
• Prompt allowance: count the prompts that matter to pipeline, not every informational keyword.
• Engine coverage: verify that the selected plan includes the answer engines your buyers use.
• Output: distinguish a one-time audit from ongoing monitoring, citation analysis, and optimisation workflows.

Which five GEO tools under $100/month are worth shortlisting?

Five tools cover distinct budget buyer jobs: Sona AI Visibility for measurement tied to commercial outcomes, Otterly.ai for entry-level monitoring, Rankscale for credit-based monitoring, Peec AI for a larger prompt set, and Semrush for teams already operating an SEO suite.

Sona AI Visibility connects AI citations and prompts to pipeline and revenue, while Wellows Basic starts from $29/month with five-engine tracking and 12 prompts per day, as of October 2026. HubSpot AEO starts from $50/month and supports ChatGPT, Perplexity, and Gemini, while its AEO Grader is free, as of October 2026.

1. Sona AI Visibility

What it does. Sona AI Visibility connects prompts and citations to pipeline and revenue, then tracks AI crawler and agent activity before an AI-referred visit reaches the site. It also provides mention and competitor tracking across 11 AI engines, as of October 2026.

What it costs. Sona AI Visibility Starter begins from $75/month billed annually, as of October 2026. The Starter plan includes about 56 prompts tracked daily across 3 engines.

Who it suits. It suits B2B SaaS teams that need to connect AI visibility with accounts, pipeline, and revenue rather than report mentions alone.

2. Otterly.ai

What it does. Otterly.ai monitors brand visibility and citations in AI answers. Its Lite plan covers ChatGPT, Google AI Overviews, Perplexity, and Microsoft Copilot, according to pricing listings read in October 2026.

What it costs. Otterly.ai Lite starts from $29/month and includes 15 prompts tracked daily, according to pricing listings read in October 2026.

Who it suits. It suits a founder or solo marketer who needs low-cost monitoring for a compact set of important AI-search prompts.

3. Rankscale

What it does. Rankscale provides AI monitoring through a credit-based plan with scheduling from hourly to monthly. Its Essentials tier lists 17+ answer engines, according to pricing listings read in October 2026, and uses credits rather than a fixed daily prompt allowance.

What it costs. Rankscale Essentials starts from $17/month on yearly billing, according to pricing listings read in October 2026. A freemium option is also listed.

Who it suits. It suits teams that want an inexpensive starting point and can manage a credit-based monitoring model.

4. Peec AI

What it does. Peec AI tracks AI-search prompts, brand mentions, citations, and competitor visibility. Its Starter plan activates 3 answer engines, while self-serve plans list 6 engines, according to pricing listings read in October 2026.

What it costs. Peec AI Starter begins from $95/month and includes 50 prompts tracked daily, according to pricing listings read in October 2026.

Who it suits. It suits a B2B SaaS team that needs 50 daily tracked prompts within a firm $100 monthly ceiling.

5. Semrush

What it does. Semrush AI Visibility tracks custom prompts and AI-answer presence within a broader SEO platform. Its Base plan covers ChatGPT, Google AI, Gemini, and Perplexity, according to pricing listings read in October 2026.

What it costs. Semrush AI Visibility Base starts from $99/month per domain and includes 25 custom prompts tracked daily, per marcodiversi.com, October 2026.

Who it suits. It suits teams already using an SEO suite and wanting AI visibility data alongside established search reporting.

How do three budget GEO tools compare on price, prompts and engines?

The structured comparison covers Sona AI Visibility, Otterly.ai, and Peec AI because each has published entry-plan figures for price, engine coverage, and daily prompt capacity. Rankscale and Semrush remain prose-only shortlist entries because their published entry-plan units differ from the table's directly comparable daily prompt data.

Sona AI Visibility starts at $75/month, Otterly.ai at $29/month, and Peec AI at $95/month, as of October 2026.

Tool	Starting price	Agency Plans?	# of Answer Engines Tracked	Answer Engines	# of Daily Tracked Prompts (entry plan)	Cost per Daily Tracked Prompt	Differentiation
Sona AI Visibility	From $75/month billed annually, as of October 2026	Yes	Up to 11 (3 on Starter)	Not published	5,000 credits/month, about 166 daily tracked prompts on one model or 56 across three	$0.45 per daily tracked prompt	Connects AI citations and prompts to pipeline and revenue on one account timeline, and tracks AI crawler activity from server logs or a lightweight edge worker with no JavaScript tag
Otterly.ai	From $29/month, as of October 2026	Yes	Up to 7 (4 on Lite, 3 as paid add-ons)	ChatGPT, Google AI Overviews, Perplexity, Microsoft Copilot	15	$0.48 per daily tracked prompt	AI-answer monitoring across its Lite-plan engine set
Peec AI	From $95/month, as of October 2026	Yes	Up to 13 (3 of 6 on Starter, plus add-ons)	ChatGPT, Google AI Mode, Google AI Overviews	50	$0.63 per daily tracked prompt	Prompt, citation, and competitor visibility tracking for self-serve teams

How do you decide between monitoring only, monitoring plus optimisation, or an audit first?

Choose the category that matches the immediate buyer problem, then remove plans that fail the required capability or budget constraint.

1. Audit-only: choose this path when technical readiness is unknown and the team needs a one-time baseline. The required capability is an audit or grader that identifies readiness issues. Ongoing trend reporting is the disqualifying condition because an audit cannot create a repeated prompt record. Move to monitoring when the team needs to observe the same commercial prompts over time.
2. Monitoring-only: choose this path when the team needs repeatable evidence of brand appearance, citations, or competitor movement. The required capability is recurring prompt tracking on the answer engines buyers use. Exclude plans that do not publish the required prompt capacity, engine coverage, or billing structure. Otterly.ai, Rankscale, Peec AI, and Semrush serve this path, while Sona AI Visibility also provides monitoring with commercial measurement. Move to monitoring plus optimisation when findings must direct content and technical work.
3. Monitoring plus optimisation: choose this path when prompt-level findings must guide page priorities and commercial reporting. The required capability is monitoring tied to actionable prompt and page analysis. A brand-level score alone is the disqualifying condition because it does not identify the question or page behind movement. Sona AI Visibility shows tracked prompts and cited sources at the prompt level, then connects citations and prompts to pipeline and revenue.

For example, a team requiring 50 daily tracked prompts under $100 can shortlist Peec AI at $95/month for 50 prompts, according to pricing listings read in October 2026. Semrush at $99/month includes 25 custom prompts per domain, per marcodiversi.com, October 2026, while Otterly.ai at $29/month includes 15 daily prompts, according to pricing listings read in October 2026.

For Google AI Overviews coverage, Otterly.ai, Semrush, and Sona AI Visibility each publish coverage for Google AI Overviews, according to pricing listings, as of October 2026. A brand-level visibility score does not identify a work item. Sona AI Visibility shows tracked prompts and cited sources at the prompt level, allowing a team to identify the question and page behind a movement.

Is a free GEO audit enough, or when is it worth paying?

A free GEO audit can establish a technical baseline, but a paid plan is necessary for trend data, competitor movement, and repeatable prompt monitoring. Free reports identify immediate readiness issues. They do not create an operating record.

A free baseline is a one-time grader or audit. It can inspect crawlability, performance and JavaScript dependence, security headers, content structure and schema markup, content quality and recency, plus accessibility elements such as alt text, ARIA attributes, contrast, and image dimensions.

Usable monitoring begins when a team runs the same prompt list daily. Daily tracking can reveal changes that a weekly snapshot averages away. Retrieval indexes, model updates, and new competitor content can alter an answer from one day to the next.

Team-ready reporting adds ownership and action. A score is a dated snapshot, while a comparable series shows a trend. Severity-ranked fixes attached to pages give content and technical teams a practical next step. Full technical re-audits can run monthly or quarterly because they answer a different question from prompt tracking.

How reliable are GEO visibility scores when AI answers keep changing?

GEO visibility scores are reliable as directional trend indicators, not permanent rankings. AI answers change with model versions, location, personalisation, retrieval timing, and prompt wording. A single score records one observed answer set at one point in time.

Engine counts do not make tools directly comparable. Collection methods and refresh rates differ, and some tools capture answers as rendered to a user while others retrieve responses through an API. Result formats also vary between ChatGPT, Perplexity, Gemini, Claude, and other answer engines.

Use one consistent prompt set and run it daily. Investigate a movement that persists across repeated observations, then validate the finding with a second sample before changing a content roadmap or reporting a result to leadership.

Does a GEO visibility score connect to pipeline and revenue?

A GEO visibility score does not prove pipeline or revenue. A citation shows that an answer mentioned a brand, but it does not establish that a prospect clicked, shortlisted the vendor, submitted a form, or became a customer. Cheap monitoring plans measure appearance rather than commercial outcome.

Monitoring tools commonly report mentions, citations, prompt position, and share of voice. Those signals support content prioritisation and competitive analysis. The unresolved question is whether an observed AI answer influenced an account that later entered pipeline.

Sona AI Visibility addresses that measurement gap by connecting prompts and citations to pipeline and revenue, while AI crawler and agent activity reporting sits at the front of the same path. AI Attribution connects AI-referred visits to accounts, pipeline, and closed-won revenue on one timeline.

Which GEO tool should each type of B2B reader pick?

Different B2B readers need different GEO tools because prompt requirements, workflow maturity, and reporting expectations vary. Choose the tool that matches the decision the team needs to make during the next reporting cycle.

• Founder or solo marketer seeking the lowest entry price: Rankscale starts from $17/month on yearly billing, while Otterly.ai starts from $29/month, as of October 2026.
• B2B SaaS team needing 50 or more prompts: Peec AI starts from $95/month with 50 daily prompts, according to pricing listings read in October 2026.
• Team already operating an SEO suite: Semrush starts from $99/month per domain with 25 custom prompts, per marcodiversi.com, October 2026.
• Revenue-minded marketer accountable for pipeline: Sona AI Visibility starts from $75/month billed annually and connects AI citations to pipeline and revenue, as of October 2026.
• Reader wanting a free baseline first: Rankscale lists a freemium option, according to pricing listings read in October 2026. Use a free audit to identify technical readiness issues before committing to recurring monitoring.

What are the frequently asked questions about budget GEO tools?

What is the cheapest GEO tool that still tracks several AI engines?

Among the five covered, Rankscale lists an entry price from $17/month on yearly billing, while Otterly.ai lists $29/month, as of October 2026. Otterly.ai Lite covers ChatGPT, Google AI Overviews, Perplexity, and Microsoft Copilot. Prices and included engines can change between plan revisions.

Are there free answer engine monitoring tools for B2B marketing?

Free options are primarily one-time audits, graders, or freemium starting points. Rankscale lists a freemium option, according to pricing listings read in October 2026. A free baseline can identify an initial issue, but recurring monitoring requires a paid plan with historical trend data.

How many prompts does a plan under $100/month usually include?

Prompt capacity varies sharply by plan. Otterly.ai Lite lists 15 daily prompts at $29/month, Semrush lists 25 custom prompts per domain at $99/month, and Peec AI lists 50 daily prompts from $95/month, as of October 2026. Choose based on category coverage and commercial priorities, not price alone.

Which AI engines should a budget GEO tool cover?

A budget GEO tool should cover ChatGPT, Perplexity, Gemini, Google AI Overviews, and other answer engines when those surfaces matter to the buyer journey. Check whether the selected tier includes the relevant engines. Claude or Copilot coverage matters when buyers use those answer engines during vendor research.

Can a GEO tool prove that AI visibility drives revenue?

A mention or citation count alone cannot prove revenue impact. Revenue proof requires prompts and citations connected to identifiable accounts, pipeline stages, and closed-won outcomes. Sona AI Visibility is built to connect that AI-search activity to pipeline and revenue measurement.

Why do two GEO tools report different visibility scores for the same brand?

Two GEO tools can report different scores because AI answers change by model version, location, personalisation, retrieval timing, and prompt wording. Tools also collect and format answers differently. Treat each score as directional, then compare trends across several weeks using the same prompt set.

Last updated: October 2026