# QR Kit vs Flicker Insight

The clearest difference is price: QR Kit at Free against Flicker Insight's $0.99. Flicker Insight's advantage is update cadence (every 2 days vs every 2 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

QR Kit is free to download; Flicker Insight costs $0.99 up front. QR Kit sells 7 in-app purchases, starting at $0.99 per month and Flicker Insight sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

QR Kit ships an update every 2 weeks, Flicker Insight every 2 days. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | QR Kit | Flicker Insight |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flicker-insight-pwm-test/id6794661401/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | — | Paid |
| Size | 39 MB | 212 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Can Bi](https://appshunter.io/developer/1631723329) | [名楷 王](https://appshunter.io/developer/1896763218) |

## What reviewers say

### QR Kit

[App page](https://appshunter.io/ios/app/qr-kit-code-scanner-and-maker/id6760836707)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Kit Monthly | $0.99 | per month |
| QR Kit Annual | $4.99 | per year |
| Support Tip - Coffee | $1.99 | one-time |
| Support Tip - Lunch | $4.99 | one-time |
| QR Kit Lifetime | $9.99 | one-time |
| Support Tip - Dinner | $12.99 | one-time |
| Support Tip - Feast | $24.99 | one-time |


### Flicker Insight

[App page](https://appshunter.io/ios/app/flicker-insight-pwm-test/id6794661401)

Detects imperceptible light flicker from various sources like screens and bulbs that can cause eye strain. Offers detailed metrics, ambient light and color temperature estimates, and generates exportable reports. Prioritizes user privacy with offline functionality and no ads.

**Highlights:** Quick flicker test with camera, Eye comfort assessment, Detailed flicker metrics, Ambient illuminance estimate, Color temperature estimate, PDF report generation, Offline functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A Popsicle | $0.99 | one-time |
| A Coffee | $2.99 | one-time |


## Frequently asked questions

### Is QR Kit free?

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

### Is Flicker Insight free?

Flicker Insight costs $0.99, and also offers in-app purchases.

### Do QR Kit or Flicker Insight have ads?

Neither QR Kit nor Flicker Insight shows ads.

### Which is updated more often, QR Kit or Flicker Insight?

QR Kit ships an update every 2 weeks, and Flicker Insight every 2 days. Most recently, QR Kit was updated on November 9, 2026 and Flicker Insight on November 10, 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.*