rex by AureliaX
rex by AureliaX: A managed MMM platform for explainable ROI, forecasting, and budget recommendations. Ranked #18 of 24 in Marketing Performance Management Software by our editors (7.4/10); pricing: Pricing on request; best for teams wanting explainable MMM recommendations.
At a glance
- Editor score7.4 / 10
- PricingPricing on request
- Best forTeams wanting explainable MMM recommendations
- Budget planningYes
- Founded2023 · Amsterdam, Netherlands
- Facts checked21 Sep 2026
Where it wins
- Combines online and offline data for channel contribution analysis
- Adds response curves, saturation analysis, and budget optimization
- Provides forecasts, confidence ranges, and recurring monthly recommendations
Where it doesn't
- Pricing is contact-sales rather than publicly packaged
- Integration details are handled through managed integrations
- Monthly model updates may not suit teams needing more frequent refreshes
Our verdict on rex by AureliaX
rex by AureliaX is a managed marketing mix modelling platform for mid-market and enterprise companies. It brings together online and offline marketing data with sales, pricing, promotions, seasonality, and other external factors. The product is designed for collaboration across marketing, finance, and leadership, with dashboards, channel contribution measurement, ROI analysis, forecasting, and budget recommendations. Web and API access are listed, and the platform covers budget planning, forecasting, scenario planning, and ROI reporting.
Its analytical scope is the main differentiator. rex combines marketing mix modelling with attribution, response curves, saturation analysis, and scenario simulation for budget allocations. ROI reporting includes R², MAPE, and Weighted MAPE metrics, while forecasts include projected outcomes and confidence ranges. Automated data collection through APIs and other sources supports the modelling workflow, and monthly model updates pair the analysis with recurring recommendations. Teams that need to explain how marketing investment affects outcomes should find this combination more relevant than a tool focused only on campaign reporting.
The commercial model is built around a discovery call rather than published plans or self-serve purchase options. AureliaX describes managed integrations, model development, validation, and monthly updates, so the buying process and operating model are likely centered on a managed engagement. That approach fits organizations prepared to involve marketing, finance, and leadership in structured planning. It is less suitable for buyers seeking transparent plan tiers, immediate setup, or a narrower reporting tool without ongoing modelling and recommendation work.
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rex by AureliaX pricing
rex by AureliaX fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Not verified |
| Budget planning | Yes |
| Forecasting | Yes |
| Scenario planning | Yes |
| ROI reporting | Yes |
| Approval workflows | Not verified |
| Currency support | Not verified |
| Planning horizon | Not verified |
| Deployment | Cloud |
| Platforms | Web |
| Compliance & security | GDPR |
| Built for | Mid-market, Enterprise (editorial estimate) |
| Integrations | 500+ integrations |
| Pricing | Pricing on request |
| Website | rexmetrics.com |
| Facts checked | 21 Sep 2026 |
Alternatives to rex by AureliaX
- MarmindA centralized marketing operations platform for planning, spend control, workflows, and performance.9.4
- Revlo MarketingA hospitality-focused system for planning, tracking and optimizing complex marketing spend.9.3
- UptempoA focused system for connecting marketing investment, spend, pipeline, and ROI.9.1
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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