Comparison

Chronological Age Calculator + vs QR Scanner & Barcode Studio

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

Head to head
About

Chronological Age Calculator +

Calculate your precise age, both currently and for any past or future date. Discover your zodiac sign and birth number with this intuitive and easy-to-use utility.

Highlights
  • Exact age calculation
  • Age calculation for specific dates
  • Zodiac sign determination
  • Birth number calculation
  • Intuitive and simple interface
Features
Read full description

Calculate your age and the time between two dates. View results in years, months, weeks, days, hours, minutes, and seconds, with a simple, easy-to-use interface. Results are estimates and are provided for informational purposes only. For questions or feedback, contact us at phannhatd@gmail.com.

About

QR Scanner & Barcode Studio

Features
Read full description

The ultimate all-in-one QR and Barcode scanning utility designed for power users who demand speed, customization, and absolute privacy. Scan everything, generate beautiful custom QR codes, bulk-process barcodes, and keep all your digital cards, passes, and secret codes in a highly secure, biometric-locked wallet. WHY CHOOSE QR SCANNER & BARCODE STUDIO? Most scanners are slow, filled with intrusive ads, and lack security. Our app is engineered to be lightning-fast, features a full personalization studio, and keeps 100% of your data safely on your own device. --- CORE FEATURES AT A GLANCE: 1. LIGHTNING-FAST SCANNER • Scan QR codes, UPC, EAN, Code 128, Aztec, PDF417, and more instantly. • Auto-detect scan content: open links, dial phone numbers, connect to Wi-Fi networks, add calendar events, or copy plain text in milliseconds. • Auto-copy to clipboard feature for fast work flows. 2. BATCH SCANNING (BULK MODE) • Scan multiple QR codes or barcodes consecutively without interrupting the camera view. • Perfect for inventory management, stock counts, ticket checks, or retail workers. • Export history logs for seamless integration into spreadsheet software. 3. CUSTOM QR STUDIO • Don’t settle for boring black-and-white QR codes. Stand out! • Customize QR codes with rich color palettes and custom gradients. • Embed popular icons or upload your own company logo directly from your photo library. • Share, export, or save high-resolution QR designs instantly. 4. BIOMETRIC SECURED WALLET • Store loyalty cards, shopping cards, concert tickets, Wi-Fi keys, and private notes. • Safeguard sensitive credentials using Face ID or Touch ID security. • Mark specific items as private to hide them from casual glances. • Keep your pockets light and access your passes with a single tap. 5. 100% PRIVACY-FOCUSED • Your data belongs to you. Scanning history, generated codes, and wallet items are stored strictly locally on your iOS device. • No cloud transfers, no background data collection, and no risk of database leaks. --- PREMIUM VALUE & FLEXIBILITY We believe premium features shouldn't be locked behind a paywall. • VIP Subscription: Unlock biometric locks and block 100% of advertisements instantly. • Rewarded Premium: Don’t want to pay? Watch a sponsored video to earn premium days for FREE! Download QR Scanner & Barcode Studio today and transform how you interact with the digital and physical world!

Screenshots

Chronological Age Calculator +3 screens
QR Scanner & Barcode Studio4 screens

Verdict

The call

The clearest difference is in-app purchases: QR Scanner & Barcode Studio at none against Chronological Age Calculator +'s 1. QR Scanner & Barcode Studio also leads on update cadence (every 4 days vs every 7 months). Chronological Age Calculator +'s advantage is ads (none vs shown) and iOS requirement (16.0 vs 26.2). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Chronological Age Calculator + sells 1 one-off in-app purchase. QR Scanner & Barcode Studio asks for nothing beyond the download.

UpkeepUpdate frequency

Chronological Age Calculator + ships an update every 7 months, QR Scanner & Barcode Studio every 4 days. The most recent releases landed on October 13, 2026 and October 4, 2026 respectively.

Scorecard4 real differences · 6 level
Chronological Age Calculator + versus QR Scanner & Barcode Studio: the parameters behind the verdict, then further details
ParameterChronological Age Calculator +QR Scanner & Barcode Studio
PriceFreeFree
Rating4.7 (142 ratings) — better—
Positive reviews59.1% of reviews—
Number of ratings142 — better—
Update frequencyEvery 7 monthsEvery 4 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better26.2
Further details — not scored
Size2 MB24 MB
Age rating4++17
DeveloperPhan Nhat ĐangSelcuk KAYA

In-app purchases

1 purchases

Chronological Age Calculator +

One-time1
  • Remove ads$2.99
None

QR Scanner & Barcode Studio

No in-app purchases

Questions

Is Chronological Age Calculator + free?
Chronological Age Calculator + is free to download, with in-app purchases available.
Is QR Scanner & Barcode Studio free?
QR Scanner & Barcode Studio is free to download, with no in-app purchases.
Do Chronological Age Calculator + or QR Scanner & Barcode Studio have ads?
QR Scanner & Barcode Studio shows ads; Chronological Age Calculator + does not.
Which is updated more often, Chronological Age Calculator + or QR Scanner & Barcode Studio?
Chronological Age Calculator + ships an update every 7 months, and QR Scanner & Barcode Studio every 4 days. Most recently, Chronological Age Calculator + was updated on October 13, 2026 and QR Scanner & Barcode Studio on October 4, 2026.

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