# HATO ONE vs Flicker Meter for Light

The clearest difference is review sentiment: Flicker Meter for Light at 62% against HATO ONE's 0%. Flicker Meter for Light also leads on rating (4.6 vs 2.0) and update cadence (every 2 months vs every 8 months). HATO ONE's advantage is in-app purchases (none vs 4) and iOS requirement (11.0 vs 15.0). On price, ads and device support 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. HATO ONE asks for nothing beyond the download.

Flicker Meter for Light holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: Flicker Meter for Light has 54 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of HATO ONE's written reviews are positive against 62% of Flicker Meter for Light's.

HATO ONE ships an update every 8 months, Flicker Meter for Light every 2 months. The most recent releases landed on October 21, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | HATO ONE | Flicker Meter for Light |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (5 ratings)](https://appshunter.io/ios/app/hato-one/id1392122761/reviews) | **[4.6 (54 ratings)](https://appshunter.io/ios/app/flicker-meter-for-light-pwm/id1672848632/reviews)** |
| Number of ratings | 5 | **54** |
| Positive reviews | 0.0% of reviews | **62.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 31 MB | 43 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [United Power Research Technology Corporation](https://appshunter.io/developer/1501316337) | [Contechity AB](https://appshunter.io/developer/1649290454) |

## What reviewers say

### HATO ONE

[App page](https://appshunter.io/ios/app/hato-one/id1392122761)

This utility app measures key light aspects crucial for poultry welfare and performance. It allows comparison with industry standards and export of data for analysis. Remote measurement capabilities enhance user convenience.

**Highlights:** Measures light intensity, Measures critical color temperature, Measures light spectrum, Measures color rendering index, Measures light flicker, Compares measurements to standards, Exports data to PC, Remote measurement

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is HATO ONE free?

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

### Is Flicker Meter for Light free?

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

### Which has better reviews, HATO ONE or Flicker Meter for Light?

Flicker Meter for Light is rated higher. HATO ONE averages 2.0 out of 5 from 5 ratings, while Flicker Meter for Light averages 4.6 from 54 ratings.

### Do HATO ONE or Flicker Meter for Light have ads?

Neither HATO ONE nor Flicker Meter for Light shows ads.

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

HATO ONE ships an update every 8 months, and Flicker Meter for Light every 2 months. Most recently, HATO ONE was updated on October 21, 2026 and Flicker Meter for Light on October 27, 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.*