QSpec vs QR Code Reader & Barcode Scan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QSpec
This app helps manage gas cylinder inventory, track blend components, and monitor expiration dates for optimal process performance. It simplifies cylinder tracking and provides on-demand electronic Certificates of Analysis.
- Scan and store cylinder information
- Track blend expiration dates
- Set expiration alerts
- Retrieve and email ECOAs
- Create and email reorder lists
- Assign cylinders to locations
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Unleash the power of productivity with Linde’s QSpec. Quickly verify gas blend components and mix accuracy, and track the expiration date of your gas blends to maintain optimal process performance. Simplify cylinder management and cylinder tracking by using your phone as a mobile database of your cylinder information with QSpec. Quickly access on-demand Electronic Certifications of Analysis (ECOA) for each cylinder you scanned into your phone. QSpec Features: • Scan and store cylinder information, blend expiration dates and blend specifications in your phone. • Set alerts to monitor and prevent gas blend expiration dates to ensure process quality. • Quickly retrieve and email ECOA’s • Create, store and email your cylinder reorder list. • Assign scanned cylinders to customizable locations to assist with cylinder tracking
QR Code Reader & Barcode Scan
Easily scan QR codes and barcodes by simply pointing your device's camera. This utility offers instant results, a helpful flashlight for low-light conditions, and keeps a history of your scans. No internet connection is needed for this fast and effective tool.
- Instant QR and barcode scanning
- Flashlight for low-light
- Scan history
- No internet required
- Minimalist material design
- Simple to use
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- HOW IT WORKS To scan QR code or barcode, open the app and point the camera at the code, and you're done! App will quickly read the code and give you the details behind the code. In order to use the app, your device must have a built-in camera. FEATURES OF QR CODE READER / BARCODE SCANNER ● Beautiful minimalist material design ● Scans instantly ● Simple to use ● Flashlight for scans in low visibility ● Scan history ● No internet connection required Fast and effective. The app opens instantly in real-time scanning mode. Subscription Terms - Your payment will be charged to your iTunes Account as soon as you confirm your purchase. - You can manage your subscriptions and turn off auto-renewal from your Account Settings after the purchase. - Your subscription will renew automatically unless you turn off auto-renew at least 24 hours before the end of the current period. - The cost of renewal will be charged to your account within 24 hours prior to the end of the current period. - When canceling a subscription, your subscription will stay active until the end of the period. Auto-renewal will be disabled, but the current subscription will not be refunded. - Any unused portion of a free trial period, if offered, will be forfeited when purchasing a subscription. QR Code Reader & Barcode Scanner Related Terms - Terms of Service: https://bit.ly/3tgBMEc - Privacy Policy: https://bit.ly/2Qro3f0
Screenshots
Verdict
The clearest difference is review sentiment: QR Code Reader & Barcode Scan at 100% against QSpec's 0%. QR Code Reader & Barcode Scan also leads on rating (4.8 vs 4.0) and update cadence (every 3 weeks vs every 15 months). QSpec's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price and device support 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
Both are free to download. QR Code Reader & Barcode Scan sells 4 in-app purchases, starting at $4.49 per month. QSpec asks for nothing beyond the download.
QR Code Reader & Barcode Scan holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: QR Code Reader & Barcode Scan has 71 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 0% of QSpec's written reviews are positive against 100% of QR Code Reader & Barcode Scan's.
QSpec ships an update every 15 months, QR Code Reader & Barcode Scan every 3 weeks. The most recent releases landed on June 1, 2026 and September 22, 2026 respectively.
| Parameter | QSpec | QR Code Reader & Barcode Scan |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (6 ratings) | 4.8 (71 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 | 71 — better |
| Update frequency | Every 15 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 36 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Linde GmbH | Mert Vardar |
Customer experience
QSpec
QR Code Reader & Barcode Scan
In-app purchases
QSpec
No in-app purchases
QR Code Reader & Barcode Scan
- QR Code Reader & Barcode +3 Days trial$4.491 Month
- QR Code Reader & Barcode +$4.991 Month
- QR Code Scanner Maker +3 Days trial$39.991 Year
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- QR Code Scanner Maker +$39.991 Year
Questions
Is QSpec free?
Is QR Code Reader & Barcode Scan free?
Which has better reviews, QSpec or QR Code Reader & Barcode Scan?
Do QSpec or QR Code Reader & Barcode Scan have ads?
Which is updated more often, QSpec or QR Code Reader & Barcode Scan?
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