---
title: "F4 Labs"
description: "Public Shopify app developer portfolio"
canonical_url: "https://shoplist.co/app-developers/f4-labs"
markdown_url: "https://shoplist.co/app-developers/f4-labs.md"
---

# F4 Labs

Public Shopify app developer portfolio

## Public facts
- Website: https://cartprogress.com/
- Location: Frognerlinna 42, Gjerdrum, 2022, NO
- Public Shopify App Store portfolio: 3 apps
- Public identity updated: 2026-02-26 16:10:09.439323\+00

## Public app portfolio sample
| App | Category | Detected stores | Detection as of | Markdown profile |
| --- | --- | --- | --- | --- |
| 404Guard \| Broken Links & 301s | Search & SEO | 0 | 2026-11-08 | https://shoplist.co/shopify-apps/404guard-broken-links-301s.md |
| CartProgress: Free Shipping | Cart customization | 0 | 2026-11-08 | https://shoplist.co/shopify-apps/cartprogress.md |
| PriceSpidey: Competitor Prices | Pricing optimization | 0 | 2026-11-08 | https://shoplist.co/shopify-apps/pricespidey.md |

This profile displays 3 apps, bounded to twelve. Detection counts describe storefront evidence per app, not unique customers across the portfolio. A store using several apps is counted once for each app; adding these counts does not produce a unique store total. Missing counts or dates mean unavailable evidence.

## Related links
- [HTML profile](https://shoplist.co/app-developers/f4-labs)
- [Public search](https://shoplist.co/search)
- [Data methodology](https://shoplist.co/data-methodology.md)