# Flicker Insight vs Cuepact Clock

The clearest difference is price: Cuepact Clock at Free against Flicker Insight's $0.99. Cuepact Clock also leads on in-app purchases (none vs 2) and device support (4 vs 1). On update cadence and ads there is nothing between them.

Cuepact Clock is free to download; Flicker Insight costs $0.99 up front. Flicker Insight sells 2 one-off in-app purchases. Cuepact Clock asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Flicker Insight | Cuepact Clock |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| 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 | **No** |
| Ads | No | No |
| Update frequency | Every 2 days | Every 2 days |
| Monetization | Paid | — |
| Size | 212 MB | 2 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [名楷 王](https://appshunter.io/developer/1896763218) | [Arthur Petri](https://appshunter.io/developer/6822159266) |

## What reviewers say

### 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 |


### Cuepact Clock

[App page](https://appshunter.io/ios/app/cuepact-clock/id6822159264)

**In-app purchases:** none


## Frequently asked questions

### Is Flicker Insight free?

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

### Is Cuepact Clock free?

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

### Do Flicker Insight or Cuepact Clock have ads?

Neither Flicker Insight nor Cuepact Clock shows ads.

### Which is updated more often, Flicker Insight or Cuepact Clock?

Flicker Insight ships an update every 2 days, and Cuepact Clock every 2 days. Most recently, Flicker Insight was updated on November 10, 2026 and Cuepact Clock on November 6, 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.*