AdStellar vs GoMarble: AI Media Buyer for Meta Ads or AI Agents With Approval Gates
AdStellar fits teams that want an AI agent to build, launch and adjust Meta campaigns from plain-English instructions. GoMarble fits in-house and agency performance teams that want AI agents to analyze many ad and data sources and prepare changes for approval.
Choose AdStellar if you want an AI media buyer for Meta that creates ads, launches campaigns and follows rules you write in plain English. Choose GoMarble if you want AI agents that read Meta, Google, TikTok and analytics data together and need a person to approve every write. If you also need alerts on your ad account, Madgicx does that, from $45 a month.
See how we reached this recommendation| AdStellar | GoMarble | |
|---|---|---|
| How you pay | One plan, TeamOne, at $100 a month, with AI credits at $2 per 1,000. The page shows 50,000 credits a month by default. | Monthly plans sized by ad spend: Copilot $139, Operator $399 and Scale $799 a month, with Enterprise by quote. Annual billing saves about 15%. |
| Free plan or trial |
7-day free trial with $100 in free credits, and $0 due today.
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A 7-day trial on each paid plan. Its FAQ also describes a free option with 100 one-time AI credits and no card, but that option is not in the plan table.
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| Rules and automation |
Its home page says you set rules in plain English and the agent follows them on every build, pausing waste and scaling winners.
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Agents run continuously and can flag changes such as creative fatigue in Slack. We saw no rule builder described on its pages.
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| AI actions and agents |
An AI media buyer with memory that analyzes performance, adjusts budgets and creates and launches ads from a chat.
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A team of specialist agents scans campaigns, creatives, audiences and search terms, and prepares account changes for approval. It can also be used from Claude and ChatGPT through a connector.
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| Building and launching campaigns |
An AI Campaign Builder and Bulk Ad Launch push campaigns to Meta in one click. Manual builds are free.
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Its pages list building and launching campaigns as agent plays on the Operator plan and above. Nothing goes live until you approve it.
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| Reporting and analysis |
Creative Analytics and AI Insights rank creatives, headlines, audiences and copy by ROAS, CTR, spend and conversions, with hourly syncs.
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Tracks spend, ROAS, CPA, revenue and creative performance, and produces reports for your team or clients, with scheduled reports on every paid plan.
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| Ad platforms covered |
Launches go to Meta only. Its pages also list integrations such as Slack, Notion and Cometly.
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Meta, Google, TikTok and Microsoft Ads, plus GA4, Shopify and Klaviyo, with 80+ more connectors listed.
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| G2 rating | No G2 rating found | 4.8 from 6 reviews |
Where they differ
How the price grows
AdStellar: The plan is $100 a month, and AI credits cost $2 per 1,000, so the bill grows with the credits you use. Team members and ad accounts are unlimited. GoMarble: The plan follows your monthly ad spend, from up to $50K to above $1.5M. Extra AI credits, ad accounts and seats are sold as add-ons.
Who each is built for
AdStellar: AdStellar is built for performance teams and agencies running Meta ads. Its home page cites 4,400+ brands and agencies, which is its own claim. GoMarble: In-house performance teams and agencies that manage several ad accounts and data sources and want agents to do the analysis.
How each one works
AdStellar: You chat with an agent that analyzes your account, creates image, video and UGC-style ads and launches them to Meta. It works from rules you write in plain English. GoMarble: Agents monitor your accounts, explain performance changes and prepare actions. Its pages say nothing changes until you say yes.
What reviewers say
AdStellar: G2 shows no reviews yet for AdStellar. GoMarble: G2 lists 4.8 from 6 reviews, too few to show a pattern.
Price
| Example | AdStellar | GoMarble |
|---|---|---|
| Entry level | TeamOne at $100 a month with 50,000 AI credits shown by default | Copilot, $139 a month: ad spend up to $50K, 5 ad accounts, read-only agents. |
| Mid level | Higher credit volumes on the same plan; its page labels 250,000 credits as most popular | Operator, $399 a month: ad spend up to $500K, 15 ad accounts, agents that write changes after your approval. |
| Larger or custom | No larger plan: every feature is in one plan, and credit volume is yours to change each month | Scale, $799 a month, up to $1.5M of ad spend; Enterprise above that, custom through sales. |
Our verdict
Choose AdStellar if
- You get unlimited team members, ad accounts and campaign launches in one plan.
- You get a 7-day trial with $100 in free credits and monthly billing with no annual contract.
- You get an AI agent that builds and launches Meta campaigns from a chat.
Choose GoMarble if
- You get approval before any write action, with audit trail and approval policies on higher plans.
- You can bring its agents into Claude or ChatGPT through a connector.
- You get a published monthly price for each spend band.
Neither fits when
You need rules and AI actions that work on your Meta ads, with every change approved by you. AdStellar's pages describe no alerts for changes in your ad account. Madgicx sends alerts when something changes in your ad account. Madgicx has ready-made and AI audiences. Madgicx has ready-made and custom automation rules. Seats and ad generations are unlimited in every plan, from $45 a month.
How we compare: methodology
- How each tool automates: rules, AI actions or both.
- Which ad platforms each covers and how campaigns get built.
- What the price buys and how it grows.
- What recent G2 reviewers praise and complain about.
Published by Madgicx, which competes with both tools. We use each vendor's pricing and product pages (adstellar.ai and gomarble.ai) and the most recent G2 reviews we could read, with dates listed below. This is our editorial view of fit, not independent test results. Confirm any capability not listed here with the vendor. AdStellar's pricing and home page were read on 5 November 2026. Its pricing page FAQ mentions plans and prices that do not match its plan table, so we show the table.
Frequently asked questions
How much do AdStellar and GoMarble cost?
AdStellar is from $100 a month. GoMarble is from $139 a month. AdStellar entry level: TeamOne at $100 a month with 50,000 AI credits shown by default GoMarble entry level: Copilot, $139 a month: ad spend up to $50K, 5 ad accounts, read-only agents.
Does AdStellar have a free trial?
7-day free trial with $100 in free credits, and $0 due today.
Does GoMarble have a free trial?
A 7-day trial on each paid plan. Its FAQ also describes a free option with 100 one-time AI credits and no card, but that option is not in the plan table.
Does AdStellar work with Google Ads?
Its pages describe launching campaigns to Meta only. We saw no other ad platform named for launches.
Can GoMarble change my ad campaigns?
Its Copilot plan is read-only. Operator and above can write changes, with human approval before each write action.
Sources
- AdStellar on G2, reviewed 5 November 2026
- AdStellar pricing, reviewed 5 November 2026
- AdStellar home page, reviewed 5 November 2026
- GoMarble on G2, reviewed 5 November 2026
- GoMarble pricing, reviewed 5 November 2026
- GoMarble home page, reviewed 5 November 2026
- Madgicx pricing, reviewed 5 November 2026
