Investigate billing firsthigh
69.1% here · 42.1% in its market · 30.8% store-wide.
QR, Barcode Scanner for iPhone
Smart Tool Studio
4.62star49,630 ratings
3 decisions.
Shares of this app’s 269 recent negative reviews.
Support is at typical. Skip it
5.9% here · 1.6% in its market · 7.8% store-wide. Normal for the store.
Protect performance, login & auth, limits & caps, UX and ads
Performance, Login & auth, Limits & caps, UX, Ads all run well below the store’s typical rate.
n = 28. Too thin to act on. We recount weekly.
Accuracy isleft out. The theme’s vocabulary is in this app’s own name.
Read those two together. Ratings are cumulative, reviews are recent. A 4.62star average beside 81% negative is the finding, not an error.
Ratings.
49,633 ratings · Apple’s own count, fetched daily
5star39,814
4star5,197
3star2,134
2star640
1star1,848
The market in numbers
All 12 panel members · 2026-09-02 snapshot.
| App | Ratings | Billing |
|---|---|---|
 QR Code Reader，Barcode Scanner | 71,685 | 73.9% |
 QR, Barcode Scanner for iPhone | 49,630 | 69.1% |
 Scan QR Code Now | 12,330 | 56.5% |
 QR Code Reader · | 669,693 | 54.5% |
 QR Code Reader/QR Scanner App | 140,133 | 52.4% |
 QR Code Reader＊Barcode Scanner | 22,652 | 45.6% |
 QR Code Reader + QR Scanner | 6,783 | 28.6% |
 QR Code & Barcode Scanner ・ | 94,907 | 25.5% |
 QR Code Reader: Quick Scan | 160,980 | 23.8% |
 QR Reader for iPhone | 1,430,257 | 18.6% |
 Free QR Code Reader simply to scan a QR Code | 2,009 | 10.6% |
 QR Pro - QR Code Scanner | 28,699 | 10.4% |
Counted from real App Store reviews · 2026-09-02
How this is counted
Every number is arithmetic over the reviews we hold, re-counted weekly: nothing modelled, nothing scored. Themes come from a frozen pattern classifier rather than a model reading reviews, so the same review always lands in the same bucket. Shares are of this app’s own recent negative reviews; the market figure is its rivals with this app excluded. The graded words have fixed cutoffs against the store’s typical rate: elevated from 1.15, high from 2, extreme from 3.5 times it. The page says what is broken and how it compares, never how to fix it, and never whether this app can win.