OneStar has 11 public reports on 11 shopping apps, and the report shown for each app read 28,300 reviews in all. The most common top complaint is Service behind the app, which leads for 6 of the 11 apps, followed by Crashes and bugs (2 apps) as well as Bans and moderation (1 app). Amazon Shopping has the highest complain share: 80% of the reviewers its report read name a problem, and Service behind the app makes up 29% of those complaints. Vinted has the lowest, at 27%. Over the last 30 days of each report, the average star rating fell for 5 and rose for 6 of the 11 apps with enough recent reviews to compare; it fell furthest for Shop, down 0.35 to 2.74 stars. The newest report was updated on November 1, 2026.
Natural mix · last year · 3,000 reviews · refreshed weeklyNatural mix · last year · 3,000 · weekly
Top praise: great service or staff, then easy to use. Top complaint: service behind the app (52% of complaints, mentioned in 56%), then crashes and bugs.
Service behind the app52%
Watch out for service behind the app: raised in 31% of written reviews, store score 4.8.
Natural mix · last year · 2,422 reviews · refreshed weeklyNatural mix · last year · 2,422 · weekly
Top praise: great service or staff and good value or free. Top complaint: service behind the app (47% of complaints, mentioned in 49%), then pricing and fees.
Service behind the app47%
Watch out for service behind the app: raised in 16% of written reviews, store score 4.8.
Rating, 30 days 4.11 −0.11Updated Oct 15
CostcoCostco Wholesale Corporation · App Store + Play
Natural mix · 2025-01-01 to 2026-09-25 · 2,575 reviewsNatural mix · 2025-01-01 to 2026-09-25 · 2,575
Top praise: good value or free and great service or staff. Top complaint: service behind the app (in 40% of complaints), then company, ethics and policy.
Service behind the app37%
Watch out for service behind the app: raised in 22% of written reviews, store score 4.4.
Natural mix · last year · 3,000 reviews · refreshed weeklyNatural mix · last year · 3,000 · weekly
Top praise: good value or free, then great service or staff. Top complaint: service behind the app (37% of complaints, mentioned in 42%), then charges and refunds.
Service behind the app37%
Watch out for service behind the app: raised in 16% of written reviews, store score 4.3.
Natural mix · last year · 2,927 reviews · refreshed weeklyNatural mix · last year · 2,927 · weekly
Top praise: great service or staff, then easy to use. Top complaint: service behind the app (29% of complaints, mentioned in 31%), then crashes and bugs.
Service behind the app29%
Watch out for service behind the app: raised in 25% of written reviews, store score 4.7.
Natural mix · last year · 2,480 reviews · refreshed weeklyNatural mix · last year · 2,480 · weekly
Top praise: great service or staff, then easy to use. Top complaint: service behind the app (28% of complaints, mentioned in 30%), then crashes and bugs.
Service behind the app28%
Watch out for service behind the app: raised in 16% of written reviews, store score 4.8.
Natural mix · last year · 1,372 reviews · refreshed weeklyNatural mix · last year · 1,372 · weekly
Top praise: good value or free, then great service or staff. Top complaint: fake accounts, bots and scams (20% of complaints, mentioned in 22%), then service behind the app.
Fake accounts, bots and scams20%
Watch out for fake accounts, bots and scams: raised in 12% of written reviews, store score 4.8.
