# World Flags vs QR/BarCode Reader

The clearest difference is in-app purchases: QR/BarCode Reader at none against World Flags's 1. World Flags's advantage is ads (none vs shown) and update cadence (daily vs every 4 days). On price and device support there is nothing between them.

Both are free to download. World Flags sells 1 one-off in-app purchase. QR/BarCode Reader asks for nothing beyond the download.

World Flags ships an update daily, QR/BarCode Reader every 4 days. The most recent releases landed on September 23, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | World Flags | QR/BarCode Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 4 days |
| Size | 76 MB | 24 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Quang Tri Mai Nguyen](https://appshunter.io/developer/1626809833) | [Taisuke Hosokawa](https://appshunter.io/developer/1585548762) |

## What reviewers say

### World Flags

[App page](https://appshunter.io/ios/app/world-flags-dictionary-quiz/id6742062153)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove All Ads | $2.99 | one-time |


### QR/BarCode Reader

[App page](https://appshunter.io/ios/app/qrbarcode-reader/id6742743893)

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

**In-app purchases:** none


## Frequently asked questions

### Is World Flags free?

World Flags is free to download, with in-app purchases available.

### Is QR/BarCode Reader free?

QR/BarCode Reader is free to download, with no in-app purchases.

### Do World Flags or QR/BarCode Reader have ads?

QR/BarCode Reader shows ads; World Flags does not.

### Which is updated more often, World Flags or QR/BarCode Reader?

World Flags ships an update daily, and QR/BarCode Reader every 4 days. Most recently, World Flags was updated on September 23, 2026 and QR/BarCode Reader on September 28, 2026.

---

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