By Andy Gaber, Founder · Published August 11, 2026 · Last updated September 14, 2026
Short version: these two tools barely overlap. WeltPixel builds server-side tracking infrastructure for Shopify and Magento stores and leads with an ROI calculator. PixelProof is a detect/monitor that watches whether the Meta Pixel, GTM, and GA4 tags you already have still look present on the public storefront: Monitor-Only $29/mo · Starter $99/mo · Agency $149/mo. PixelProof does not replace a server-side tracking build-out. Honest PixelProof stack: Monitor-Only $29/mo · Starter $99/mo · Agency $149/mo.
Disclosure: PixelProof is our product. Every WeltPixel fact below comes from weltpixel.com and weltpixel.com/pages/shopify-conversion-tracking, checked September 14, 2026. Prices change without notice — check the vendor link before you buy. WeltPixel is a trademark of its owner, used here in nominative fair use. Support: support@pixeluptime.com.
WeltPixel's homepage title reads "WeltPixel — Server-side Tracking for Shopify & Magento" (weltpixel.com, checked September 14, 2026). The homepage also runs an interactive ROI calculator: entering a monthly ad spend of $10,000 produces an estimated $1,870 in monthly savings, an 18.7% ROAS improvement, $22,440 in annual savings, roughly $0.85 cost per recovered conversion, and a headline 47x return on investment compared to the cost of a browser extension. Those are WeltPixel's own illustrative marketing figures from that calculator, not independently audited numbers, and we cite them as WeltPixel's claim rather than as verified fact.
WeltPixel publishes two tiers on weltpixel.com/pages/shopify-conversion-tracking, checked September 14, 2026: "Discovery — Free — $0/month — up to 100 orders/month" and "Plus — $39/month — flat rate, no order or event scaling." An earlier version of this page described WeltPixel as simply "$39/mo," which omitted the free Discovery tier and overstated their entry price; this is the correction. Prices change without notice — check the vendor link before you buy. PixelProof is not framed as a $99-only or two-tier product: the live stack is Monitor-Only $29/mo · Starter $99/mo · Agency $149/mo.
| Category | WeltPixel (verified September 14, 2026) | PixelProof |
|---|---|---|
| What it says it does | "Server-side Tracking for Shopify & Magento" (own homepage title), plus a homepage ROI calculator | Detect/monitor on storefront-visible Meta Pixel, GTM, GA4 loaders |
| Platforms | Shopify + Magento | Shopify only — not a Magento product |
| Engagement type | Server-side tracking setup / ongoing SST subscription | Ongoing subscription detect/monitor |
| Published pricing | Discovery free, $0/month, up to 100 orders/month · Plus $39/month flat (weltpixel.com/pages/shopify-conversion-tracking, checked September 14, 2026) | Monitor-Only $29/mo · Starter $99/mo · Agency $149/mo |
| Tracking coverage | Core product — server-side pipeline | Public HTML presence, not checkout X-ray, not WeltPixel's server container |
| Server-side build-out | Core offering | Not a server-side tracking build-out. We do not host a server container. |
| Aug 26, 2026 checkout upgrade | See WeltPixel's own site — we do not characterise their coverage | Detect/monitor focus on storefront HTML after the cutover — not Additional Scripts / checkout.liquid X-ray |
| Alerts | Not described as a storefront monitor | Monitor-Only: email break alerts. No Slack/webhook on Monitor-Only. No fix snippets on Monitor-Only. |
PRICING_TIERS| Tier | Price | What it includes |
|---|---|---|
| WeltPixel | Discovery $0/month (up to 100 orders/month) · Plus $39/month flat | "Server-side Tracking for Shopify & Magento" per its own homepage title; homepage ROI calculator. Prices from weltpixel.com/pages/shopify-conversion-tracking, checked September 14, 2026. |
| PixelProof Monitor-Only | $29/mo or $261/yr | 1 store: weekly Meta + Shopify monitor, email break alerts. No fix snippets. No PDF. Detect and monitor — not a server-side tracking build-out. |
| PixelProof Starter | $99/mo | 3 stores: same detect/monitor job plus paste-ready snippets for detectable storefront findings. Not a server-side implementation or Magento install. |
| PixelProof Agency | $149/mo | 15 stores: Starter job plus PDF reports. Multi-store bill, not a partner program, and not WeltPixel's SST desk. |
Source for the WeltPixel figures above: https://weltpixel.com/pages/shopify-conversion-tracking and https://weltpixel.com/, both checked September 14, 2026. Prices change without notice — check the vendor link before you buy. PixelProof prices are the live Monitor-Only $29/mo · Starter $99/mo · Agency $149/mo stack from PRICING_TIERS. Monitor-Only is on that grid.
If you run both a Shopify store and a Magento store, WeltPixel's cross-platform coverage is a real advantage PixelProof does not offer — PixelProof is Shopify-only by design. A free Discovery tier and a $39/month Plus tier also make it a cheap first step for a merchant who wants a general server-side tracking setup rather than a storefront detect/monitor. PixelProof is not a better server-side tracking product, and it is not a Magento tool.
If the actual question is narrower — "will I know after my Meta Pixel stops looking present on the storefront" — a server-side tracking product is the wrong shape of tool for that job, no matter how good the pipeline is. Shopify's checkout upgrade lands Aug 26, 2026 and removes Additional Scripts and legacy checkout.liquid tracking for every non-Plus store automatically, per Shopify's own developer changelog. A general server-side tracking product is not the same thing as a tool that watches storefront-visible loaders after that cutover. PixelProof reads public storefront HTML against the Web Pixels API and Meta's Pixel documentation and emails when those storefront findings change. That is detect/monitor, not a claim we X-ray checkout, Additional Scripts, or WeltPixel's server container. Monitor-Only at $29/mo is that watch: recurring storefront scans and email break alerts. Paste-ready fix snippets are Starter+ ($99/mo and $149/mo) for detectable storefront findings — not bundled into Monitor-Only, and not a substitute for a server-side tracking build-out. If the question is "is my existing tracking still looking present on the storefront," not "who will host my server-side pipeline," the narrower tool is the right one.
How the scan works — public HTML only, no checkout X-ray, no Ads Manager login — lives on the methodology page. Limits, trial, and refunds are on the FAQ.
This is a hypothetical scenario, not a real customer case. Picture a Shopify merchant running WeltPixel's server-side tracking on a $10,000/month ad budget, seeing the calculator's projected $1,870/mo savings play out roughly as described. Around Shopify's Aug 26, 2026 checkout upgrade, a theme or app change coincides with a storefront-visible GTM loader that stops looking present — unrelated to whether the server-side pipeline is healthy. The server-side infrastructure keeps running; the one broken client-side event quietly undercounts conversions because nothing was specifically watching the public HTML. A Monitor-Only $29/mo watch layered on the storefront would have flagged a loader/signature change the same cycle. That is not a claim we saw Purchase volume drop, ingested checkout runtime, or recovered ROAS, and it is not a 24/7 SLA. If you also want paste-ready guidance for a detectable storefront finding, that is Starter or Agency — not Monitor-Only, and not WeltPixel's SST desk.
WeltPixel's homepage calculator numbers deserve a second look before treating them as a decision input. An 18.7% ROAS improvement and a 47x return figure are meaningful only relative to a specific baseline WeltPixel itself defines, comparing its server-side setup against a generic browser extension rather than against doing nothing or against a competitor's specific product. That is normal for vendor-supplied ROI calculators across the entire software industry, not a knock specific to WeltPixel, but it means the $1,870/mo savings figure at a $10,000/mo ad spend should be read as an illustrative example of the category's upside, not a guaranteed outcome for any particular store. PixelProof does not publish an equivalent ROI calculator, deliberately, and does not run save-$ theater against WeltPixel's model.
PixelProof's value proposition is narrower and easier to verify directly: run the free scan, see exactly which storefront-visible loaders look present on your specific storefront right now, and decide from there whether that is worth the honest stack Monitor-Only $29/mo · Starter $99/mo · Agency $149/mo to keep watching. That is a smaller claim than a projected 47x return, and it is one a merchant can check for themselves rather than trust based on a generic model. Monitor-Only does not include paste-ready snippets.
It is worth stating plainly: any merchant running Magento alongside Shopify, common for larger retailers operating multiple storefronts on different platforms, gets meaningfully more from WeltPixel's cross-platform coverage than from PixelProof, which does not support Magento at all and has no plans described publicly to change that. That is not a small caveat. For a Shopify-only merchant it is irrelevant; for anyone running both platforms it is likely the deciding factor over price or specific deprecation-date coverage. PixelProof does not replace Magento server-side tracking.
Both vendors have a free first step, worth comparing directly since it is often the actual point of comparison for a merchant deciding where to start. WeltPixel publishes a free Discovery tier at $0/month for up to 100 orders/month (weltpixel.com/pages/shopify-conversion-tracking, checked September 14, 2026). PixelProof's free scan is narrower in scope but returns a more specific artifact: a list of which storefront-visible tags look present, which are missing, and which findings relate to the Aug 26, 2026 checkout-upgrade window. Paste-ready fix snippets for detectable storefront findings are Starter+ — not bundled into the free scan as a Monitor-Only deliverable, and not a concrete fix path we run on your theme. Neither free offer requires a credit card or a sales call, which lowers the cost of trying both before committing to either.
WeltPixel's published bill is $0/month on Discovery or $39/month on Plus; PixelProof's whole bill is Monitor-Only $29/mo · Starter $99/mo · Agency $149/mo. A merchant comparing a server-side tracking setup to a storefront monitor without noticing that one product hosts a pipeline and the other watches storefront loaders is comparing two different kinds of numbers. Monitor-Only does not include the snippet library. Annual billing is 25% off (Monitor-Only $261/yr, Starter $891/yr, Agency $1341/yr). Live Stripe checkout is on /meta-monitor/pricing, including a Monitor-Only deep link at /meta-monitor/pricing?checkout=monitor_only&utm_source=site&utm_medium=shared&utm_campaign=pp_monitor&utm_content=monitor_checkout_shared.
The free storefront scan is a soft paywall, not a brick wall. This browser gets 3 free scans, plus 2 more if you leave an email, then a ~24-hour cooldown. When the budget is used we ask you to start Monitor-Only or come back later. We do not hard-lock the product, invent remaining seats, or call the next scan "premium locked." If localStorage is missing (private mode), the gate fails open so you can still scan. The standalone free-scan page also uses a short-lived session cookie (one scan per hour) as a separate abuse control — still not a paywall brick. Checkout attaches a 7-day trial on paid plans, including Monitor-Only. Cancel before day 8 and you should not be charged — see Account → Subscription.
PixelProof is a compliance monitoring service, not a certification or legal advice service. Monitoring cannot guarantee 100% detection of every pixel breakage or Meta API deprecation. Merchants remain responsible for their own tracking compliance.
WeltPixel does not describe itself as a monitor. Its homepage title, checked September 14, 2026, is "WeltPixel — Server-side Tracking for Shopify & Magento." The homepage (https://weltpixel.com/) also runs an interactive ROI calculator that models ad-spend recovery from server-side tracking, with example figures around $1,870/mo in savings and a 47x return versus the cost of a comparable browser extension. Those are WeltPixel's own illustrative marketing figures, not independently audited numbers. PixelProof is the other job: a storefront detect/monitor on Meta Pixel, GTM, and GA4 loaders you already have — not WeltPixel's server-side pipeline.
Two tiers on https://weltpixel.com/pages/shopify-conversion-tracking, checked September 14, 2026: "Discovery — Free — $0/month — up to 100 orders/month" and "Plus — $39/month — flat rate, no order or event scaling." Describing WeltPixel as simply "$39/mo" omits that free tier and overstates their entry price, so we say both. Prices change without notice — check the vendor link before you buy.
WeltPixel publishes a free Discovery tier ($0/month, up to 100 orders/month) and Plus at $39/month flat (https://weltpixel.com/pages/shopify-conversion-tracking, checked September 14, 2026). PixelProof is the honest stack Monitor-Only $29/mo · Starter $99/mo · Agency $149/mo — a detect/monitor on the storefront tags you already have, not WeltPixel's server-side tracking build-out and not a Magento product. A server-side setup and a storefront watch are different jobs; stacking them is the usual pattern, not picking one as a substitute.
PixelProof was built around that deprecation wave as a storefront detect/monitor — public HTML presence of Meta Pixel, GTM, and GA4 loaders, not a claim we X-ray Additional Scripts, checkout.liquid, or WeltPixel's server container. Monitor-Only at $29/mo is weekly watch and email break alerts. Paste-ready fix snippets ship on Starter ($99/mo) and Agency ($149/mo) for detectable storefront findings — not on Monitor-Only, and not as a server-side implementation.
WeltPixel's own homepage title is "WeltPixel — Server-side Tracking for Shopify & Magento," so its product surface spans both platforms. For a Shopify-only merchant that mostly means the surface is broader than a Shopify-only tool needs to be. PixelProof is Shopify-only by design and does not replace Magento coverage at all.
No. PixelProof does not replace a server-side tracking build-out, host a server container, or route conversion events around ad blockers. If you need Shopify + Magento server-side tracking infrastructure, that is WeltPixel's job. PixelProof answers a narrower, later question: do the Meta Pixel, GTM, and GA4 loaders still look present on the public storefront HTML. That is detect/monitor, not a claim we see Shopify order-level truth, checkout runtime, or WeltPixel's server-side pipeline.
No. Monitor-Only ($29/mo or $261/yr) has no fix snippets and no PDF reports — weekly storefront watch and email break alerts only. Paste-ready snippets for detectable storefront findings ship on Starter ($99/mo, 3 stores) and Agency ($149/mo, 15 stores). You or your developer paste and verify. Snippets are not a concrete fix path we run on your theme, not a magic auto-install, and not coverage for checkout surfaces the storefront scan cannot see. Monitor-Only is not a fix-pack.
Yes, they are complementary rather than competing. WeltPixel (or another server-side path) remains the place you build the tracking pipeline. A Monitor-Only watch on the public HTML is a cheap hedge on the storefront input layer — especially around Shopify's Aug 26, 2026 checkout upgrade — not a substitute for the server-side build-out, not a guaranteed ROAS recovery, and not a claim we see WeltPixel's server container or Shopify order-level truth.
No. PixelProof uses a soft paywall: this browser gets a small number of free scans (3, plus 2 more if you leave an email), then a nudge toward Monitor-Only at $29/mo. After about 24 hours the free budget can reset. If localStorage is unavailable (private mode, blocked storage), the gate fails open — we do not brick the scanner. The /meta-monitor/free-scan landing also rate-limits to one scan per hour per session cookie. None of that is fake scarcity, a remaining-seat countdown, or a “locked premium” wall.
Email support@pixeluptime.com. That is the only PixelProof support inbox. There is no in-app chat team and no Shopify App Store review thread. We are a small company: expect a human reply, not a 24/7 SLA.
PixelProof is not affiliated with Meta, Google, or Shopify.
Questions: support@pixeluptime.com · FAQ · Privacy · Terms. Soft limit on free scans — not a hard lock. Detect and monitor; not a fix-pack on Monitor-Only.