# FlickerSpec vs Field Meter Toolbox

The clearest difference is iOS requirement: Field Meter Toolbox at 16.0 against FlickerSpec's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | FlickerSpec | Field Meter Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | — |
| Size | 12 MB | 4 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Corey Thomas Slick](https://appshunter.io/developer/1818871667) | [youwei lin](https://appshunter.io/developer/1892640293) |

## 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 |


### 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 |


## Frequently asked questions

### Is FlickerSpec free?

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

### Is Field Meter Toolbox free?

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

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

Neither FlickerSpec nor Field Meter Toolbox 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.*