Customers.ai Visitor ID alternatives
12 email marketing tools compared on data from stores OngoingAI observes — including 249 running Customers.ai Visitor ID. Adoption, platform split and growth, not vendor claims.
| Alternative | Stores observed | 30d net | Primary platform | Overlap | Rating | Pricing |
|---|---|---|---|---|---|---|
| Retention.com | 564 | +29 | Shopify | 7% | — | — |
| AddShoppers | 415 | +37 | Shopify | 3% | — | — |
| Opensend | 403 | +30 | Shopify | 4% | — | — |
 Shopify Forms | 32,082 | +89 | Shopify | 4% | 4.4 | Free |
 POWR | 7,178 | +114 | Shopify | 4% | — | — |
 Swym Wishlist Plus | 6,595 | -14 | Shopify | 7% | 4.7 | Free trial available |
 HubSpot | 6,072 | +169 | Shopify | 6% | — | — |
 Amp Back in Stock & Preorder + | 5,825 | +61 | Shopify | 8% | 4.9 | Free plan available |
| Stoq | 5,193 | +22 | Shopify | 6% | — | — |
 Notify‑me ‑ Stock and Price | 4,240 | +14 | Shopify | 2% | — | Free plan available |
 Elfsight | 4,219 | +135 | Shopify | 4% | — | — |
 Back In Stock,Notify Me: Kbite | 2,505 | +14 | Shopify | 1% | 5.0 | Free plan available |
- HubSpot+169
- Elfsight+135
- POWR+114
- Shopify Forms+89
- Amp Back in Stock & Preorder ++61
More comparisons
Frequently asked questions
Ranked by observed store adoption, the most widely used Customers.ai Visitor ID alternatives are Shopify Forms, POWR, Swym Wishlist Plus, HubSpot.
Shopify Forms is the most widely adopted Customers.ai Visitor ID alternative we track — observed on 32,082 ecommerce stores, versus 249 running Customers.ai Visitor ID.
HubSpot gained the most confirmed installs over the last 30 days among the alternatives we track (+169 net confirmed stores).
Back In Stock,Notify Me holds the highest rating among well-reviewed alternatives — 5.0 out of 5 across 4,158 reviews.
Shopify Forms, Amp Back in Stock & Preorder +, Notify‑me advertise a free plan or free tier.