# Chronological Age Calculator + vs QR Scanner & Barcode Studio

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.

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.

Chronological Age Calculator + ships an update every 7 months, QR Scanner & Barcode Studio every 4 days. The most recent releases landed on October 18, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Chronological Age Calculator + | QR Scanner & Barcode Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (142 ratings)](https://appshunter.io/ios/app/chronological-age-calculator-plus/id1580265258/reviews)** | — |
| Number of ratings | **142** | — |
| Positive reviews | 59.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 24 MB |
| Requires iOS | **16.0** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | +17 |
| Developer | [Phan Nhat Đang](https://appshunter.io/developer/1437390098) | [Selcuk KAYA](https://appshunter.io/developer/1881586378) |

## What reviewers say

### Chronological Age Calculator +

[App page](https://appshunter.io/ios/app/chronological-age-calculator-plus/id1580265258)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $2.99 | one-time |


### QR Scanner & Barcode Studio

[App page](https://appshunter.io/ios/app/qr-scanner-and-barcode-studio/id6778137708)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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 18, 2026 and QR Scanner & Barcode Studio on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*