

Blotout restores your marketing signals in the post-cookie world. Your returning customers are showing up as anonymous and Blotout aims to identify them.
| Feature | Littledata | Blotout |
|---|---|---|
| Founder owned and led | ✔️ | ✔️ |
| Identity resolution to boost audiences | ✔️ | ✔️ |
| Direct from Shopify's servers | ✔️ | ✔️ |
| Customer data to marketing platforms | ✔️ | ✔️ |
| 30 day free trial | ✔️ | |
| Fully automatic, no code setup | ✔️ | |
| Natively supports Shopify Markets | ✔️ | |
| Automatic tracking of checkout steps | ✔️ | |
| Works with platforms other than Shopify | ✔️ |
Littledata vs Blotout for Shopify Plus
Both offer server-side tracking, identity resolution, and customer data routing to marketing platforms — and both are founder-led.
Where Blotout differs: It's platform-agnostic (beyond Shopify), with a stronger focus on post-cookie identity resolution and restoring anonymous visitor signals. However, it lacks Littledata's native Shopify-specific depth.
Where Littledata wins outright:
For a Shopify Plus brand prioritizing fast deployment, complete checkout data, and international scalability, Littledata is the stronger purpose-built choice.
| Littledata | Blotout | |
|---|---|---|
| Example product review | "We were having difficulties with accurate and consistent revenue attribution...With Littledata implemented, we now get consistent and accurate revenue attribution." | "After using Blotout for a couple months, we decided to drop them... Blotout was taking credit for a lot of Klaviyo pixel events that would’ve happened anyway... Event match quality in Facebook was marginally better, but I don’t think it warrants the cost or complexity." |
| Example support review | "Customer support is absolutely amazing... you can never go wrong when an app does what it says and tacks on great service!" | "It took weeks to get a reply regarding a refund... it seems they grew too fast to keep up with customer service." |
| Link | Read more reviews |
| Store size | Littledata | Blotout |
|---|---|---|
| 50 orders / month | $39 | $79 |
| 500 orders / month | $199 | $400 |
| 5,000 orders / month | $449 | $1980 |
| 20,000 orders / month | $1390 | $5000 |
For 50 orders, Littledata is 50% cheaper than Blotout. At 500 orders, Littledata is 25% cheaper than Blotout. For 5000 orders, Littledata is 83% cheaper than Blotout. At 20000 orders, Littledata is 72% cheaper than Blotout. Comparing the two Littledata options, the second Littledata is consistently cheaper, with differences ranging from 0% to 30% depending on the order volume. Overall, Blotout is significantly more expensive across all order volumes.
| Destination | Littledata | Blotout |
|---|---|---|
| Google Analytics | ✔️ | ✔️ |
| Meta Ads | ✔️ | ✔️ |
| Klaviyo | ✔️ | ✔️ |
| Google Ads | ✔️ | ✔️ |
| Attentive | ✔️ | ✔️ |
| TikTok | ✔️ | |
| ✔️ | ||
| Segment | ✔️ | |
| Microsoft Ads | ✔️ |
Littledata supports a broader range of destinations, adding TikTok, Pinterest, Segment, and Microsoft Ads beyond what Blotout offers.
The key strategic difference: Littledata's inclusion of Segment makes it a more flexible, composable solution — Segment acts as a middleware hub, letting you route data to hundreds of additional downstream tools. This suits brands with complex martech stacks.
Blotout's narrower destination list suggests a more focused offering, potentially better suited for brands running leaner stacks centered on core ad platforms and retention tools.
If you're running paid social beyond Meta (TikTok, Pinterest) or need Microsoft Ads tracking, Littledata has the clear edge on native destination coverage.
| Feature | Littledata | Blotout |
|---|---|---|
| Product list views & clicks | ||
| Tracks products list as you scroll | ✔️ | |
| Tracks clicks on product list | ✔️ | |
| Consistent product identifier in GA4 | ✔️ | |
| Add to Cart | ||
| Tracked server-side | ✔️ | |
| Enriched product info | ✔️ | |
| Tracks remove from cart | ✔️ | |
| Tracked client-side | ✔️ | |
| Checkout steps | ||
| Tracked direct from Shopify's servers | ✔️ | |
| Compatible with checkout extensibility | ✔️ | |
| Compatible with accelerated checkouts | ✔️ | |
| Tracks all checkout steps | ✔️ | |
| Purchase | ||
| Direct from Shopify for 100% accuracy | ✔️ | ✔️ |
| Includes post-purchase upsells | ✔️ | |
| Includes recurring orders | ✔️ | |
| Filter orders by sales channel | ✔️ | |
| Includes refunds | ✔️ | |
| User-provided data for improved attribution | ✔️ | |
| Custom mapping to a source / medium | ✔️ | |
Littledata's purchase tracking for Google Analytics offers GDPR/CCPA compliance by allowing end-users to opt out and ensures no new emails are added to marketing lists. It enhances identity through other marketing channel cookies and backstitches Klaviyo profiles to previous customer events. Both Littledata and Blotout provide server-side tracking for 100% accuracy. However, Littledata includes features like post-purchase upsells, recurring orders, order filtering by sales channel, refunds, user-provided data for better attribution, and custom mapping to source/medium, which may offer more comprehensive insights compared to Blotout's focus on accuracy alone.
| Feature | Littledata | Blotout |
|---|---|---|
| Identity resolution | ||
| Never adds new emails to your marketing list | ✔️ | ✔️ |
| Docs on how an end-user can opt out for GDPR / CCPA | ✔️ | |
| Uses other marketing channel cookies to boost identity | ✔️ | |
| Backstitches Klaviyo profile onto previous customer events | ✔️ | |
| Direct from Shopify's servers | ✔️ | |
| Viewed Product trigger | ||
| Tracked server-side | ✔️ | |
| Enriched product info (e.g. category) | ✔️ | |
| Backwards compatible with Klaviyo templates | ✔️ | |
| Tracked client-side | ✔️ | |
| Added to Cart trigger | ||
| Reliable via Shopify's servers | ✔️ | |
| Enriched product info (e.g. category) | ✔️ | |
| Backwards compatible with Klaviyo templates | ✔️ | |
| Target the whole contents of the cart | ✔️ | |
| Unreliable tracking of button clicks | ✔️ | |
| Checkout Started trigger | ||
| Direct from Shopify's servers | ✔️ | |
| Backwards compatible with Klaviyo templates | ✔️ | |
| Tracked via the checkout page | ✔️ | |
Littledata outperforms both alternatives for Shopify-to-Klaviyo tracking because it pulls data directly from Shopify's servers — something neither KlaviyoDocs nor Blotout offer.
Without server-side Shopify data, you'll face:
Littledata also uniquely backstitches Klaviyo profiles onto historical events and leverages cross-channel cookies to boost identity resolution — advantages Blotout doesn't match.
For a Shopify Plus brand where data integrity directly impacts revenue, Littledata's server-side foundation makes it the clear, lowest-risk choice.
| Feature | Littledata | Blotout |
|---|---|---|
| Google Ads Conversions | ||
| Tracked direct from Shopify's servers | ✔️ | |
| Real-time tracking of Enhanced Conversions | ✔️ | |
| Fully automatic setup | ✔️ | |
| New vs Returning customer conversions | ✔️ | |
| Unreliable tracking via thank you page | ✔️ | |
| Feature | Littledata | Blotout |
|---|---|---|
| Key benefits | ||
| Boost to Event Match Quality Score | ✔️ | ✔️ |
| 100% accurate revenue in Meta | ✔️ | |
| Pre-purchase audiences based on first-party data | ✔️ | |
| Target subscriptions vs one-time purchases | ✔️ | |
| Fully automatic setup | ✔️ | |
| AddToCart | ||
| Via Conversions API | ✔️ | |
| InitiateCheckout | ||
| Via Conversions API | ✔️ | |
| Includes all checkout steps | ✔️ | |
| Purchase | ||
| Via Conversions API | ✔️ | ✔️ |
| Includes post-purchase upsells | ✔️ | |
| Includes recurring orders | ✔️ | |
| Filters to exclude orders from some channels | ✔️ | |
| New vs Returning customer conversions | ✔️ | |
