# Mi Blue vs Perspective Pixels

The clearest difference is update cadence: Mi Blue at every 5 days against Perspective Pixels's every 5 months. Mi Blue also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

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

Mi Blue ships an update every 5 days, Perspective Pixels every 5 months. The most recent releases landed on September 12, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Mi Blue | Perspective Pixels |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/perspective-pixels/id6748315710/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 5 months |
| Monetization | — | Free |
| Size | 19 MB | 3 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Micronova Srl](https://appshunter.io/developer/1338789037) | [Ryan Himmelwright](https://appshunter.io/developer/1825158482) |

## What reviewers say

### Mi Blue

[App page](https://appshunter.io/ios/app/mi-blue/id6544805992)

**Features:** macOS Compatibility

**In-app purchases:** none


### Perspective Pixels

[App page](https://appshunter.io/ios/app/perspective-pixels/id6748315710)

This tool helps you understand and compare display specifications like PPI, PPD, and FOV. Input your monitor's details to see how they affect your viewing experience and explore UI scaling effects. Save and compare unlimited configurations with a clean, intuitive interface.

**Highlights:** Calculate PPI, PPD, and FOV, Explore UI scaling effects, Save and compare monitor configurations, Switch between metric and imperial units, Intuitive and user-friendly interface

**In-app purchases:** none


## Frequently asked questions

### Is Mi Blue free?

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

### Is Perspective Pixels free?

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

### Do Mi Blue or Perspective Pixels have ads?

Neither Mi Blue nor Perspective Pixels shows ads.

### Which is updated more often, Mi Blue or Perspective Pixels?

Mi Blue ships an update every 5 days, and Perspective Pixels every 5 months. Most recently, Mi Blue was updated on September 12, 2026 and Perspective Pixels on June 1, 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.*