Cometly vs Causality Engine
Side-by-side comparison of server-side ad tracking platform vs bayesian causal inference for shopify attribution. Updated for 2026.
| Cometly | Causality EngineYou are here | |
|---|---|---|
| Starting price | $199/mo | €99 one-time |
| Pricing model | Tiered ($199–$499+/mo) | €99 one-time or $299/mo Pro |
| Methodology | First-party pixel + server-side tracking | Bayesian causal inference |
| Setup time | 30–60 minutes | 2 minutes |
| Pixel required? | Yes | No |
| Best for | Brands wanting better tracking data collection | Shopify DTC brands wanting true incrementality measurement |
Where Cometly falls short
- Tracks clicks not causation
- Still overcounts with view-through
- Requires pixel installation
- Can't measure incrementality
Why brands choose Causality Engine instead
- No pixel at all
- Measures causation not correlation
- Proves incrementality
- Simpler setup
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Based in the Netherlands
|KVK: 92226892
|VAT: NL865944039B01
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