# FocusIR vs Measure Effect

The clearest difference is update cadence: FocusIR at every 2 months against Measure Effect's every 4 months. FocusIR also leads on iOS requirement (12 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FocusIR ships an update every 2 months, Measure Effect every 4 months. The most recent releases landed on September 12, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | FocusIR | Measure Effect |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 152 MB | 169 MB |
| Requires iOS | **12** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Wuhan Guide Infrared Co.,Ltd.](https://appshunter.io/developer/688744536) | [Sonel S.A.](https://appshunter.io/developer/1837118414) |

## What reviewers say

### FocusIR

[App page](https://appshunter.io/ios/app/focusir/id6670753858)

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

**In-app purchases:** none


### Measure Effect

[App page](https://appshunter.io/ios/app/measure-effect/id6751837211)

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

**In-app purchases:** none


## Frequently asked questions

### Is FocusIR free?

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

### Is Measure Effect free?

Measure Effect is free to download, with no in-app purchases.

### Do FocusIR or Measure Effect have ads?

Neither FocusIR nor Measure Effect shows ads.

### Which is updated more often, FocusIR or Measure Effect?

FocusIR ships an update every 2 months, and Measure Effect every 4 months. Most recently, FocusIR was updated on September 12, 2026 and Measure Effect on September 15, 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.*