# FlickerSpec vs Flicker Insight

The clearest difference is price: FlickerSpec at Free against Flicker Insight's $0.99. Flicker Insight's advantage is update cadence (every 2 days vs every 4 weeks) and iOS requirement (18.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

FlickerSpec is free to download; Flicker Insight costs $0.99 up front. FlickerSpec sells 1 one-off in-app purchase and Flicker Insight sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

FlickerSpec ships an update every 4 weeks, Flicker Insight every 2 days. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | FlickerSpec | 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 4 weeks | **Every 2 days** |
| Monetization | — | Paid |
| Size | 12 MB | 212 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Corey Thomas Slick](https://appshunter.io/developer/1818871667) | [名楷 王](https://appshunter.io/developer/1896763218) |

## What reviewers say

### FlickerSpec

[App page](https://appshunter.io/ios/app/flickerspec-led-flicker-test/id6759629660)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FlickerSpec Pro | $49.99 | 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 FlickerSpec free?

FlickerSpec 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 FlickerSpec or Flicker Insight have ads?

Neither FlickerSpec nor Flicker Insight shows ads.

### Which is updated more often, FlickerSpec or Flicker Insight?

FlickerSpec ships an update every 4 weeks, and Flicker Insight every 2 days. Most recently, FlickerSpec was updated on October 29, 2026 and Flicker Insight on October 31, 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.*