# Compass & Altimeter vs Decimal Compass

The clearest difference is in-app purchases: Decimal Compass at none against Compass & Altimeter's 3. Decimal Compass also leads on ads (none vs shown) and rating (5.0 vs 4.6). Compass & Altimeter's advantage is ratings volume (2.4K vs 1) and chart position (#143 vs unranked). On price and device support there is nothing between them.

Both are free to download. Compass & Altimeter sells 3 in-app purchases, starting at $1.99 per 7 days. Decimal Compass asks for nothing beyond the download.

Decimal Compass holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Compass & Altimeter has 2.4K ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Compass & Altimeter | Decimal Compass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (2.4K ratings)](https://appshunter.io/ios/app/compass-and-altimeter/id1624852951/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/decimal-compass/id6747599580/reviews)** |
| Number of ratings | **2.4K** | 1 |
| Positive reviews | 46.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#143** | — |
| Size | 27 MB | 2 MB |
| Requires iOS | **13.0** | 17.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [明力 王](https://appshunter.io/developer/1460236088) | [Qi Machine LLC](https://appshunter.io/developer/1249045808) |

## What reviewers say

### Compass & Altimeter

[App page](https://appshunter.io/ios/app/compass-and-altimeter/id1624852951)

**Currently charting:** #143 Top Grossing · Navigation (US App Store)

This app provides precise geographical orientation with a compass and displays vital data like altitude, weather, and location. It helps users navigate, record locations, and measure real-time GPS speed, making it a useful travel companion.

**Highlights:** Accurate compass functionality, Display altitude, longitude, and latitude, Real-time weather information, Location recording, GPS speed measurement

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Compass Premium | $1.99 | per 7 days |
| Compass Premium | $3.99 | per month |
| Compass Premium | $18.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 💡 Useful compass feature
- 🚀 Smooth performance

**What reviewers complain about**

- 🐛 Inaccurate on iPad mini
- 🐛 Drifts out of alignment over time
- 💰 Forced premium subscription

**Reported bugs**

- Compass doesn't move
- Latitude/longitude doesn't work
- Difficult to cancel subscription

**Requested features**

- Add km/h speed option
- Improve iPad landscape mode support
- Provide a free version


### Decimal Compass

[App page](https://appshunter.io/ios/app/decimal-compass/id6747599580)

Easily save, share, and find important locations with human-readable decimal coordinates. This app combines familiar compass functionality with powerful location memory, perfect for hikers, drivers, and outdoor enthusiasts.

**Highlights:** Human-readable decimal coordinates, Save unlimited locations with notes, Instant coordinate sharing, Intuitive compass design, Location memory

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

**In-app purchases:** none


## Frequently asked questions

### Is Compass & Altimeter free?

Compass & Altimeter is free to download, with in-app purchases available.

### Is Decimal Compass free?

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

### Which has better reviews, Compass & Altimeter or Decimal Compass?

Decimal Compass is rated higher. Compass & Altimeter averages 4.6 out of 5 from 2.4K ratings, while Decimal Compass averages 5.0 from 1 ratings.

### Do Compass & Altimeter or Decimal Compass have ads?

Compass & Altimeter shows ads; Decimal Compass 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.*