---
title: "Plainstack FixedSync Shopify App Profile"
description: "Plainstack FixedSync keeps fixed prices across Shopify Markets aligned with your catalog. Create tag-based pricing rules for a Market price list, preview every change before applying it, and sync matching prices when products are created or their base prices change. Built-in conflict checks, post-write verification, price history, and exact rollback support controlled international pricing. Pricing uses your configured factor and rounding rules; it is not a live foreign-exchange service."
canonical_url: "https://shoplist.co/shopify-apps/plainstack-fixedsync"
markdown_url: "https://shoplist.co/shopify-apps/plainstack-fixedsync.md"
last_updated: "2026-10-28"
entity_type: "shopify_app"
slug: "plainstack-fixedsync"
source: "public Shopify app profile allowlist"
---

# Plainstack FixedSync Shopify App Profile

> Plainstack FixedSync keeps fixed prices across Shopify Markets aligned with your catalog. Create tag-based pricing rules for a Market price list, preview every change before applying it, and sync matching prices when products are created or their base prices change. Built-in conflict checks, post-write verification, price history, and exact rollback support controlled international pricing. Pricing uses your configured factor and rounding rules; it is not a live foreign-exchange service.

## Quick answer
Plainstack FixedSync has 0 detected stores in Shoplist. This Markdown profile displays 0 public brand examples; it is not a complete customer list.

## Key facts
- Name: Plainstack FixedSync
- Monitoring status: First-adopter watch
- Developer: Plainstack Labs
- Developer profile: https://shoplist.co/app-developers/plainstack-labs
- Shopify App Store URL: https://apps.shopify.com/market-price-rules
- Launch date: October 2, 2026
- Shoplist category: Customer Support
- Free trial signal: Yes

## Pricing summary
Standard: $19/month

Shoplist has not yet found reliable public storefront evidence connecting a Shopify store to this app. This does not mean the app has no users. Some apps are new, admin-only, server-side, theme-independent, or otherwise difficult to detect from public storefront signals.


## Public callouts
- Automatically sync fixed market prices when products change
- Target products with simple tag-based pricing rules
- Preview calculated prices before making any changes
- Apply rounding rules for consistent market price endings
- Verify every write and restore previous fixed prices with rollback
## Shopify App Store categories
- Pricing optimization

## Data note
Profile updated: October 28, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-10-28 13:32:56.961042\+00
Detection metrics refreshed: 2026-10-28 12:00:00.22284\+00
Public app evidence date: 2026-10-28 09:10:02.327724\+00
This generated Markdown profile intentionally exposes only public, stable app-profile fields and a small public app-stack sample from Shoplist. It excludes private contact data, people data, internal scores, crawl provenance, full datasets, and unstable operational fields.

## Related links
- [HTML app profile](https://shoplist.co/shopify-apps/plainstack-fixedsync)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)