Shopify Flow 1-star reviews: what merchants complain about
142 one- and two-star Shopify App Store reviews with text (101 one-star) of Shopify Flow, Email & SMS marketing category, posted 30 Oct 2025 – 23 Oct 2026.
What the reviews complain about
| Complaint | Share | Reviews | All apps |
|---|---|---|---|
| Hard to use or set up | 22.5% | 32 | 9.1% |
| Bugs & broke the store | 17.6% | 25 | 17.9% |
| Called it a scam or misleading | 3.5% | 5 | 5.8% |
| Slow or no support | 3.5% | 5 | 31.2% |
| Slow store & app speed | 2.8% | 4 | 2.7% |
| Sync, orders & inventory errors | 2.1% | 3 | 6.5% |
| Charges & refunds | 1.4% | 2 | 13.9% |
| Export, import & migration pain | 1.4% | 2 | 6.4% |
| Missing features & limits | 0.7% | 1 | 3.1% |
A review can match several themes; 54.9% match none. All apps: 2,418 low-star reviews of 192 Shopify apps in the study.
In merchants’ words
“Extremely difficult to use and extremely Buggy. Creating templates for emails is extremely frustrating and impossible.”
Shopify App Store review, Jul 2026
“… I ended up having to quickly click add to store before the button disappeared.”
Shopify App Store review, Aug 2026
“Hard to use, glitchy, and my flow has non-functioning features; already submitted a ticket…”
Shopify App Store review, Jul 2026
“… Bizarre testing workflow is: Duplicate prod workflow, edit to point to ngrok for localhost, and then retrigger fulfillment events.”
Shopify App Store review, Dec 2025
“I am ready to end my shopify account because of bot customers and refunds.”
Shopify App Store review, Dec 2025
Developer replies
9 of 142 got a developer reply (6.3%), median 1 day after the review. All apps in the study: 43.9%.
Time on the app before the review
| Time used | Reviews | Share |
|---|---|---|
| Under 1 day | 3 | 2.1% |
| 1–7 days | 1 | 0.7% |
| 8–30 days | 4 | 2.8% |
| 1–12 months | 54 | 38% |
| Over 1 year | 80 | 56.3% |
Email & SMS marketing category: shared complaints
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.
Get my category report – €19Sample PDF · AppGap
€19 €39 one-off, launch price until 30 Nov 2026 or the first 20 orders. Full refund if we can’t produce a useful report.
Same category: Orderly Emails · Klaviyo · Omnisend · Shopify Messaging
Data and method: Shopify App Store review study · Shopify app bad reviews: what to fix first · All app and plugin pages