eρ ‑ Facebook Pixels & CAPI vs Snail ‑ Pinterest Pixel & CAPI
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 8, 2026.
The short answer
- eρ is detected on 30× as many Shopify stores as Snail: 479 vs 16 as of Nov 8, 2026.
- On the Shopify App Store: eρ 4.7 from 29 reviews and Snail 5.0 from 1 reviews.
- eρ lists 10 features Snail’s listing doesn’t mention, including Custom audiences, Event-based, Location-based.
Head to head
- United States
- India
- United Kingdom
- Hong Kong
- France
- Netherlands
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Premium Plan
- · 24/7 Live Chat Support
- · Accurate Event Tracking
- · Available Worldwide
- · Unlimited Conversion API Setup
- · Unlimited Facebook Pixels (Datasets)
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureThe correct Facebook Pixel (Dataset) and Conversions API (CAPI) installation and setup is the backbone of winning ads. Easily set up your Facebook Pixel (Dataset) and Conversion API (CAPI) without any headaches. Setup multiple Pixels for products and collections for precise tracking. Get accurate Facebook Pixel data to feed your ad campaigns and launch retargeting ads to retarget website visitors.
Automatically install Pinterest Tag on your Shopify store — no coding required — and send conversion events server-side via Pinterest API for Conversions. This dual-tracking method captures events that browser blockers and iOS restrictions would normally miss. Track key events like PageVisit, AddToCart, Checkout, and Purchase in real time — helping you reduce wasted ad spend and improve ROAS.
- Seamlessly Install and Manage Multiple Facebook Pixels on Your Store
- Easily Set Up Conversion API on Your Store
- Segment Your Facebook Pixels by Products and Collections for Precise Tracking
- Track All Actions/Events Visitors Take on Your Website Including Checkout
- Auto Pinterest Tag setup — no code needed, installs in minutes
- Server-side Conversion API for accurate, cookieless event tracking
- Dual tracking captures events blocked by iOS or ad blockers
- Track PageVisit, AddToCart, Checkout & Purchase in real time
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  eρ |  Snail |
|---|---|---|
| Detected stores | 479(ahead) | 16 |
| Net store change, 28 days | +2 | 0 |
| Stores added, 28 days | 7 | Not enough data |
| Big-brand share | 7% | Not enough data |
| Top store categories | Apparel & Accessories, Health & Beauty, Home & Garden | Apparel & Accessories, Animals & Pet Supplies, Home & Garden |
| Top store countries | United States, India, United Kingdom | Hong Kong, France, Netherlands |
Reviews
| Measure | eρ | Snail |
|---|---|---|
| App Store rating | 4.7 ★ | 5.0 ★(ahead) |
| App Store reviews | 29(ahead) | 1 |
| New reviews, 28 days | 0 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
FAQ
eρ and Snail: common questions
- Which is more popular, eρ or Snail?
- eρ is detected on 30× as many Shopify stores as Snail: 479 vs 16 as of Nov 8, 2026.
- Which has better reviews, eρ or Snail?
- On the Shopify App Store: eρ 4.7 from 29 reviews and Snail 5.0 from 1 reviews.
- What features does each app list that the other doesn’t?
- eρ lists 10 the others don’t mention, such as Custom audiences, Event-based, Location-based, Lookalike audiences. Snail lists 1 the others don’t mention, such as ROI analysis. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 8, 2026; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 8, 2026. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.