# Compass Free vs Unit Converter Plus

The clearest difference is in-app purchases: Compass Free at none against Unit Converter Plus's 2. Compass Free also leads on device support (4 vs 2) and iOS requirement (15.0 vs 17.0). Unit Converter Plus's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. Unit Converter Plus sells 2 in-app purchases, starting at $1.99 per month. Compass Free asks for nothing beyond the download.

## The numbers

| Metric | Compass Free | Unit Converter Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (49 ratings)](https://appshunter.io/ios/app/compass-free/id284735786/reviews)** | — |
| Number of ratings | **49** | — |
| Positive reviews | 34.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | — |
| Monetization | Free | — |
| Size | 5 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) | [MD Shahariar Nazim Joy](https://appshunter.io/developer/1893961943) |

## What reviewers say

### Compass Free

[App page](https://appshunter.io/ios/app/compass-free/id284735786)

This app functions as a sundial to determine cardinal directions using sunlight. Align the shadow of your finger with the app's shading to find north, south, east, and west.

**Highlights:** Measures cardinal points, Uses sunlight, Aligns finger shadow, Indicates directions

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Simple to use
- 🌞 Works with sun position
- 🆓 Free app
- 💡 Clever concept
- 🧭 Useful for basic navigation

**What reviewers complain about**

- 🌤️ Requires sunlight to function
- 🌍 Not suitable for southern hemisphere
- 📍 Lacks GPS integration
- 🕰️ Doesn't adjust for daylight savings
- 🤷‍♂️ Unclear instructions

**Reported bugs**

- Causes device freezes or crashes
- Inaccurate compass readings

**Requested features**

- Add support for southern hemisphere
- Integrate with GPS for more accurate direction
- Provide night mode or moonlight option
- Improve instructions and user guidance


### Unit Converter Plus

[App page](https://appshunter.io/ios/app/unit-converter-plus-unico/id6787877145)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Yearly | $9.99 | per year |


## Frequently asked questions

### Is Compass Free free?

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

### Is Unit Converter Plus free?

Unit Converter Plus is free to download, with in-app purchases available.

### Do Compass Free or Unit Converter Plus have ads?

Compass Free shows ads; Unit Converter Plus 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.*