Shopify marketplace & sales channel app complaints: what 581 bad reviews say
581 one- and two-star Shopify App Store reviews with text (489 one-star) of the 16 most-reviewed apps in the Marketplaces category, posted 26 Oct 2025 – 25 Oct 2026.
What merchants complain about in Shopify marketplace & sales channel apps
| Complaint | Share | Reviews | All apps |
|---|---|---|---|
| Slow or no support | 29.4% | 171 | 31.2% |
| Bugs & broke the store | 16.9% | 98 | 17.9% |
| Sync, orders & inventory errors | 13.4% | 78 | 6.5% |
| Hard to use or set up | 9.3% | 54 | 9.1% |
| Charges & refunds | 7.1% | 41 | 13.9% |
| Export, import & migration pain | 5% | 29 | 6.4% |
| Called it a scam or misleading | 3.6% | 21 | 5.8% |
| Missing features & limits | 3.1% | 18 | 3.1% |
| Too expensive for what it does | 2.8% | 16 | 4.7% |
| Slow store & app speed | 1.7% | 10 | 2.7% |
| Charged after uninstalling/cancelling | 0.5% | 3 | 1.4% |
A review can match several themes; 43.7% match none. “All apps” = 2,418 low-star reviews of 192 apps in 12 categories.
What is different about this category
Compared with all 192 apps in the study, marketplace & sales channel app reviews mention sync, orders & inventory errors 2.1× as often (13.4% vs 6.5%). They mention charged after uninstalling/cancelling (0.5% vs 1.4%) less often than average.
Shopify marketplace & sales channel apps by number of bad reviews
| App | 1–2★ | Top complaint (5+ reviews) | Replied |
|---|---|---|---|
| TikTok | 111 | Slow or no support 34.2% | 0% |
| Facebook & Instagram | 108 | Hard to use or set up 13% | 0% |
| Shopify Marketplace Connect | 93 | Slow or no support 43% | 4.3% |
| Google & YouTube | 83 | Slow or no support 43.4% | 10.8% |
| Shop | 66 | Slow or no support 15.2% | 0% |
| 29 | Sync, orders & inventory errors 13.8% | 0% | |
| CedCommerce Amazon Channel | 20 | Slow or no support 50% | 0% |
| CedCommerce Etsy Integration | 20 | Slow or no support 45% | 35% |
| Simprosys Google Shopping Feed | 15 | Slow or no support 40% | 0% |
| LitCommerce eBay Etsy Amazon + | 12 | Slow or no support 41.7% | 8.3% |
| CedCommerce eBay Integration | 7 | Slow or no support 42.9% | 0% |
| Multifeed Google Shopping Feed | 5 | Slow or no support 20% | 60% |
| SPL TikTok Shop Integration | 5 | Charges & refunds 40% | 100% |
| DPL | 3 | – | 33.3% |
| MetaShop | 3 | – | 33.3% |
| Mulwi | 1 | – | 100% |
For Facebook & Instagram the read stopped at 200 one-star or 100 two-star reviews, so those counts are a floor.
In merchants’ words
“… It never synced prices, and support didn't show up. I installed this app to sync my art prints from Shopify to Etsy.”
Shopify App Store review, Oct 2026
“… On refunds: they offered to refund 3 months of the service not working, and said the refund was already processed.”
Shopify App Store review, Sep 2026
“… Creating the templates, syncing products to Amazon, and going through steps to link and update attributes takes a lot of time.”
Shopify App Store review, Oct 2026
“Horrible, confusing, makes you do a bunch of tedious stuff that's already on my website.”
Shopify App Store review, Sep 2026
“… The biggest concerns are billing transparency, integration issues, and customer support.”
Shopify App Store review, Oct 2026
Do Shopify marketplace & sales channel developers reply to bad reviews?
5.5% of these low-star reviews got a reply from the developer, median 3.5 days after the review (all apps: 43.9%, median 2 days).
Time on the app before the bad review
| Time used | Reviews | Share |
|---|---|---|
| Under 1 day | 58 | 10% |
| 1–7 days | 33 | 5.7% |
| 8–30 days | 66 | 11.4% |
| 1–12 months | 171 | 29.4% |
| Over 1 year | 253 | 43.5% |
What to fix first (our reading of the data)
- Slow or no support (29.4% of reviews): Answer support within one business day and say so in the listing; most of these reviews are written after a ticket went unanswered.
- Bugs & broke the store (16.9% of reviews): Ship a fix note in the reply to every bug review, and test on a fresh dev store with the most common theme before each release.
- Sync, orders & inventory errors (13.4% of reviews): Show sync status and errors in the app and alert merchants before orders or stock go wrong.
This analysis for your marketplace & sales channel category, with the top 10 apps
AppGap reads the recent 1–3★ merchant reviews of the top ~10 apps in your Shopify App Store category and ranks the complaints they share, with real quotes. One PDF by email within 24–48 h.
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Other categories: Email & SMS marketing · Dropshipping · Product reviews · Upsell & bundles · Translation & currency · Subscriptions · Shipping · Product options & variants · SEO & speed · Helpdesk & chat · Loyalty & rewards
Data and method: Shopify review study (192 apps, CC BY 4.0 CSV) · Shopify app bad reviews: what to fix first · All categories
FAQ
What do merchants complain about most in Shopify marketplace & sales channel apps?
In 581 one- and two-star Shopify App Store reviews of 16 Shopify marketplace & sales channel apps (Oct 2025 – Oct 2026), the top complaints were slow or no support (29.4%), bugs & broke the store (16.9%), sync, orders & inventory errors (13.4%).
Do Shopify marketplace & sales channel app developers reply to bad reviews?
5.5% of these low-star reviews got a reply from the developer, median 3.5 days after the review (all apps: 43.9%, median 2 days).
Which Shopify marketplace & sales channel app had the most bad reviews?
TikTok, with 111 one- and two-star reviews in the 12 months to Oct 2026.
How soon do merchants leave a bad review on a marketplace & sales channel app?
15.7% of the low-star reviews were written within the first week of use and 43.5% after a year or more.