# Field Meter Toolbox vs FlickerCheck

Field Meter Toolbox and FlickerCheck are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Field Meter Toolbox sells 3 one-off in-app purchases and FlickerCheck sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Field Meter Toolbox | FlickerCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/flickercheck-pwm-meter/id6804622251/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 10 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [youwei lin](https://appshunter.io/developer/1892640293) | [biaopeng zhou](https://appshunter.io/developer/1895904365) |

## What reviewers say

### Field Meter Toolbox

[App page](https://appshunter.io/ios/app/field-meter-toolbox/id6767887354)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Buy Me a Coffee | $2.99 | one-time |
| Pro Unlock | $2.99 | one-time |


### FlickerCheck

[App page](https://appshunter.io/ios/app/flickercheck-pwm-meter/id6804622251)

This utility uses your iPhone camera to detect and analyze screen and light flicker. It provides easy-to-understand results, including estimated frequency and modulation depth, with privacy-focused on-device processing.

**Highlights:** Screen and Light measurement modes, Automatic signal quality guidance, Estimated dominant flicker frequency, Modulation depth estimate, Flicker level indication, Measurement confidence score, Brightness waveform capture, Measurement history

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro | $4.99 | one-time |


## Frequently asked questions

### Is Field Meter Toolbox free?

Field Meter Toolbox is free to download, with in-app purchases available.

### Is FlickerCheck free?

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

### Do Field Meter Toolbox or FlickerCheck have ads?

Neither Field Meter Toolbox nor FlickerCheck shows ads.

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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.*