# iFeelingU vs QR Pro

The clearest difference is in-app purchases: iFeelingU at none against QR Pro's 1. iFeelingU also leads on ads (none vs shown). QR Pro's advantage is update cadence (daily vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. QR Pro sells 1 one-off in-app purchase. iFeelingU asks for nothing beyond the download.

iFeelingU ships an update every 3 months, QR Pro daily. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | iFeelingU | QR Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (4 ratings)](https://appshunter.io/ios/app/ifeelingu/id1570393674/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free | — |
| Size | 15 MB | 63 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Zhongzhi Liancheng Technology Co., Ltd.](https://appshunter.io/developer/1457957513) | [Tran Thai Quyen](https://appshunter.io/developer/1877144830) |

## What reviewers say

### iFeelingU

[App page](https://appshunter.io/ios/app/ifeelingu/id1570393674)

This utility app dynamically adjusts your device's LED light color based on ambient sound and screen color. It aims to enhance your environment by synchronizing light with your mobile experience.

**Highlights:** Environmental sound adjustment, Mobile screen color sync, Automatic LED light control, Ambient light adaptation

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Pro

[App page](https://appshunter.io/ios/app/qr-pro-barcode-scanner/id6761338049)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Pro — Lifetime Access | $4.99 | one-time |


## Frequently asked questions

### Is iFeelingU free?

iFeelingU is free to download, with no in-app purchases.

### Is QR Pro free?

QR Pro is free to download, with in-app purchases available.

### Do iFeelingU or QR Pro have ads?

QR Pro shows ads; iFeelingU does not.

### Which is updated more often, iFeelingU or QR Pro?

iFeelingU ships an update every 3 months, and QR Pro daily. Most recently, iFeelingU was updated on October 12, 2026 and QR Pro on October 25, 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.*