# Flicker Meter for Light vs Overdue

The clearest difference is update cadence: Overdue at every 3 weeks against Flicker Meter for Light's every 2 months. Flicker Meter for Light's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Flicker Meter for Light sells 4 in-app purchases, starting at $0.99 per month and Overdue sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Flicker Meter for Light ships an update every 2 months, Overdue every 3 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Flicker Meter for Light | Overdue |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (54 ratings)](https://appshunter.io/ios/app/flicker-meter-for-light-pwm/id1672848632/reviews)** | — |
| Number of ratings | **54** | — |
| Positive reviews | 62.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 5 MB |
| Requires iOS | **15.0** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Contechity AB](https://appshunter.io/developer/1649290454) | [Ben Heymink](https://appshunter.io/developer/441100267) |

## What reviewers say

### Flicker Meter for Light

[App page](https://appshunter.io/ios/app/flicker-meter-for-light-pwm/id1672848632)

Detect and measure invisible high-frequency flickering in LED lights and screens that can cause eye strain and headaches. Find flicker-free alternatives to improve your comfort and health.

**Highlights:** Detect invisible high-frequency flickering, Measure flicker intensity (%), Measure flicker frequency (Hz), Identify flicker-free light sources, Easy-to-use interface, Instant results

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full access | $0.99 | per month |
| Full access | $4.99 | per year |
| Full access | $6.99 | one-time |
| Full access | $9.99 | one-time |


### Overdue

[App page](https://appshunter.io/ios/app/overdue-keep-track/id6761727259)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Overdue: Unlimited Items | $4.99 | one-time |


## Frequently asked questions

### Is Flicker Meter for Light free?

Flicker Meter for Light is free to download, with in-app purchases available.

### Is Overdue free?

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

### Do Flicker Meter for Light or Overdue have ads?

Neither Flicker Meter for Light nor Overdue shows ads.

### Which is updated more often, Flicker Meter for Light or Overdue?

Flicker Meter for Light ships an update every 2 months, and Overdue every 3 weeks. Most recently, Flicker Meter for Light was updated on October 27, 2026 and Overdue on October 28, 2026.

---

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