# ProjectorCalc vs Mood Tracker + App

The clearest difference is price: Mood Tracker + App at Free against ProjectorCalc's $2.99. ProjectorCalc's advantage is ads (none vs shown) and iOS requirement (9.2 vs 12.0). On in-app purchases and device support there is nothing between them.

Mood Tracker + App is free to download; ProjectorCalc costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | ProjectorCalc | Mood Tracker + App |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/projectorcalc/id310342928/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 49 months | — |
| Monetization | Paid | — |
| Size | 10 MB | 62 MB |
| Requires iOS | **9.2** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [D!HV Lighting](https://appshunter.io/developer/287079053) | [Leticia Vila](https://appshunter.io/developer/1609278510) |

## What reviewers say

### ProjectorCalc

[App page](https://appshunter.io/ios/app/projectorcalc/id310342928)

This utility app helps lighting technicians and projectionists calculate projected image dimensions. It determines image width, height, diagonal length, brightness, area, and pixel density based on projector and location details. It also estimates keystone distortion.

**Highlights:** Calculate image width, height, and diagonal length, Determine brightness in Nits, Calculate total projected area, Compute pixels per inch, Estimate keystone distortion

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

**In-app purchases:** none


### Mood Tracker + App

[App page](https://appshunter.io/ios/app/mood-tracker-plus-app/id1624502699)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ProjectorCalc free?

ProjectorCalc costs $2.99, with no in-app purchases.

### Is Mood Tracker + App free?

Mood Tracker + App is free to download, with no in-app purchases.

### Do ProjectorCalc or Mood Tracker + App have ads?

Mood Tracker + App shows ads; ProjectorCalc does not.

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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.*