Is there a good app for scan QR codes and barcodes?
Poorly Executed: 87 apps already serve this, and 30 data points mined from real user reviews across 2 sources show where they fall short. The right features exist but the execution is buggy, dated, or painful. Out-execute it.
Data refreshed September 28, 2026 · scores recompute weekly as new reviews are mined, so re-check before you build.
What users complain about
The most common complaints behind apps that try to scan QR codes and barcodes, mined and clustered from real reviews:
| Complaint area | Type | Mentions | What a user said |
|---|---|---|---|
| barcode scan fails | bug | 2 | Could not read barcodes. Other scanners had no problem |
| fails to read QR codes | bug | 2 | it couldn't even read my qr code and asked to retry and retry everytime i scanned |
| QR code scanning | bug | 1 | This site Is not letting me scan the QR code for our park reservations |
| scan QR from files | missing-feature | 1 | Se si aggiunge la possibilità di leggere i qrcode dai file sarebbe perfetta |
| barcode-scanning | bug | 1 | barcode never scanned |
| scan damaged/etched QR codes | missing-feature | 1 | make it more as it can scan itched QR Code also |
| picture-scan barcode recognition | reliability | 1 | Some items did not show up by picture scan. If u go to search then type in the product some do appear that way. |
| scan QR from uploaded image/screenshot | missing-feature | 1 | this app doesnt have the option to upload a screenshot for a QR code, to scan it |
| paying for QR scanning | price | 1 | You honestly expect people to pay for a QR scanning app? |
| random barcode scan results | bug | 1 | scanned random barcodes and got actual random things |
| limited barcode support | missing-feature | 1 | debería escanear todo totalmente todo hasta las barra larguitas |
| won't read QR codes | bug | 1 | Won’t read any QR codes |
Apps that already serve this
| App | Rating | Ratings | Price |
|---|---|---|---|
| Scan QR Code&Barcode Scanner | 4.4 | 265 | Free |
| QR Code Reader＊Barcode Scanner | 4.5 | 22,908 | Free |
| Barcode Scanner - QR Scanner | 4.5 | 42,222 | Free |
| QR Code Scanner & Barcode Read | 4.1 | 44,015 | Free |
| QR Scanner Pro * | 4.1 | 1,436 | Free |
| QR Code Scanner Pro * | 4.4 | 325 | Free |
| Scan QR Code. | 4.7 | 15,726 | Free |
| QR Code Reader，Barcode Scanner | 4.7 | 72,455 | Free |
Should you build it?
The right features exist but the execution is buggy, dated, or painful. Out-execute it. Opportunity here scores 60 out of 100 — a function of demand, how crowded the field is, and how badly the existing apps perform. Use the live map to compare it against adjacent tasks.
Who has tried building this
| Project | Status | Stars | Stack |
|---|---|---|---|
| wewewe718/QrAndBarcodeScanner | stale | 843 | Kotlin |
Open-source projects that attempted this task — active ones show today's bar; abandoned ones are a signal to validate why earlier attempts died.
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<a href="https://speculora.com/gap/scan-qr-codes-and-barcodes-1204"><img src="https://speculora.com/badge/1204.svg" alt="Speculora: Scan QR codes and barcodes — Poorly Executed" height="28"></a>Markdown
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