Comparison

AQL vs QR Code Reader, Barcode Scan

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

AQL

This utility calculates sample sizes and acceptable defect numbers for product inspections based on ANSI Z1.4-2003 standards. It simplifies creating sampling plans for random product inspections, replacing traditional paper methods for inspectors.

Highlights
  • Determine sample size
  • Calculate allowable rejects
  • Based on ANSI Z1.4-2003
  • Prepare sampling plans
  • Digital replacement for paper cards
Features
Read full description

The Pro QC AQL (Acceptance Quality Limit) calculator (based on based upon ANSI Z1.4-2003) makes it easy to determine a sample size and the proper number of allowable rejects in a particular shipping lot size. It is a fundamental tool for preparing a sampling plan for a random product inspection as it allows to set the number of samples to inspect, and the maximum numbers of defects that is allowed. This free application takes the place of the traditional paper card that many inspectors in the field use.

About

QR Code Reader, Barcode Scan

Instantly scan QR codes, barcodes, and even product photos. This app simplifies everyday tasks like accessing menus, connecting to Wi-Fi, or checking prices. It also allows you to create your own QR codes and convert documents to PDFs.

Highlights
  • Scan QR codes and barcodes
  • Scan product photos for online search
  • Generate custom QR codes
  • Convert documents to PDF
  • Instant Wi-Fi connection
  • Access URLs and contacts
Features
Read full description

Scan anything instantly – QR codes, Barcodes, PDFs, even product photos. Download QR Scanner, point your camera, and go. Everyday tasks made simple: open a restaurant menu, join Wi-Fi, check store prices, or turn paper into a PDF in seconds. Whether you're shopping, working, or just trying to get things done quickly, QR Scanner helps you act fast without needing any tech skills. It’s the trusted everyday tool for thousands of people who want fast answers – right when they need them. What you can do: — Scan Anything, Fast – URLs, contacts, Wi-Fi, emails, calendar invites and more in a flash. — Snap a Product to Search Online – Take a photo of any product and instantly see reviews and prices across the web. — Make & Share Your Own Codes – Create custom QR codes or barcodes for your Wi-Fi, contact card, event or link. — Turn Paper into PDFs – Scan documents and save them as clean, shareable files on the go. No setup, no confusing steps – just tap, scan, done. Join thousands who rely on QR Scanner every day – and scan with total confidence. Download now and make your next scan effortless. Privacy and Security We never store your scan history—everything stays on your device. Read our Privacy Policy: https://barscanner.codes/privacy. Terms Enjoy a free trial with full access. You can cancel anytime during or after the trial in your iTunes Account Settings. Terms of Service: https://barscanner.codes/termsofuse.

Screenshots

AQL4 screens
QR Code Reader, Barcode Scan4 screens

Verdict

The call

The clearest difference is rating: QR Code Reader, Barcode Scan at 4.5 against AQL's 2.8. QR Code Reader, Barcode Scan also leads on update cadence (every 8 days vs every 19 months) and ratings volume (7.6K vs 4). AQL's advantage is in-app purchases (none vs 10) and review sentiment (50% vs 26%). On price and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. QR Code Reader, Barcode Scan sells 10 in-app purchases, starting at $2.99 per 7 days. AQL asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

QR Code Reader, Barcode Scan holds the better App Store score, 4.5 against 2.8. That said, the two scores are not equally well evidenced: QR Code Reader, Barcode Scan has 7.6K ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 50% of AQL's written reviews are positive against 26% of QR Code Reader, Barcode Scan's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

AQL ships an update every 19 months, QR Code Reader, Barcode Scan every 8 days. The most recent releases landed on November 6, 2026 and November 13, 2026 respectively.

Scorecard8 real differences · 2 level
AQL versus QR Code Reader, Barcode Scan: the parameters behind the verdict, then further details
ParameterAQLQR Code Reader, Barcode Scan
PriceFreeFree
Rating2.8 (4 ratings)4.5 (7.6K ratings) — better
Positive reviews50.0% of reviews — better26.3% of reviews
Number of ratings47.6K — better
Update frequencyEvery 19 monthsEvery 8 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS8.0 — better17.0
Further details — not scored
Size1 MB62 MB
Age rating4+4+
DeveloperPro Q.C. International LimitedEssa Studio

Customer experience

AQL

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

QR Code Reader, Barcode Scan

All ratings7,631 ratings
Positive86.5%
Neutral3.9%
Negative9.6%
Written reviews228 reviews
Positive26.3%
Neutral2.2%
Negative71.5%

Bugs and requests

AQL

Not enough reviews yet to summarise bugs or requests.

QR Code Reader, Barcode Scan

Reported bugs

2 issues
  • Barcode scanning not working properly
  • Internal errors when using the app

Requested features

2 requests
  • Ability to save scanned barcode images
  • Option to cancel subscription

In-app purchases

None

AQL

No in-app purchases

10 purchases

QR Code Reader, Barcode Scan

Subscriptions8
  • QR & Barcode Reader, Generator3 Days trial$2.997 Days
  • QR Code Scanner х QR Generator3 Days trial$3.991 Month
  • Pro Access3 Days trial$3.997 Days
Show 5 more
  • Premium Scanner App3 Days trial$4.997 Days
  • QR & Barcode Reader, Generator3 Days trial$5.997 Days
  • Full Access3 Days trial$6.997 Days
  • Full Access3 Days trial$7.997 Days
  • 3 Months Pro Subscription7 Days trial$18.993 Months
One-time2
  • Pro Forever$3.99
  • Lifetime Access$19.99

Questions

Is AQL free?
AQL is free to download, with no in-app purchases.
Is QR Code Reader, Barcode Scan free?
QR Code Reader, Barcode Scan is free to download, with in-app purchases available.
Which has better reviews, AQL or QR Code Reader, Barcode Scan?
QR Code Reader, Barcode Scan is rated higher. AQL averages 2.8 out of 5 from 4 ratings, while QR Code Reader, Barcode Scan averages 4.5 from 7.6K ratings.
Do AQL or QR Code Reader, Barcode Scan have ads?
Neither AQL nor QR Code Reader, Barcode Scan shows ads.
Which is updated more often, AQL or QR Code Reader, Barcode Scan?
AQL ships an update every 19 months, and QR Code Reader, Barcode Scan every 8 days. Most recently, AQL was updated on November 6, 2026 and QR Code Reader, Barcode Scan on November 13, 2026.

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