# Altimeter & Precision vs Compass & Altimeter

Altimeter & Precision and Compass & Altimeter both sit at 4.8 stars, but that hides the real split: 92% of Altimeter & Precision's written reviews are positive against 46% of Compass & Altimeter's. Altimeter & Precision also leads on in-app purchases (none vs 3) and ads (none vs shown). Compass & Altimeter's advantage is price (Free vs $0.99) and chart position (#121 vs unranked). On rating, ratings volume, update cadence and device support there is nothing between them.

Compass & Altimeter is free to download; Altimeter & Precision costs $0.99 up front. Compass & Altimeter sells 3 in-app purchases, starting at $1.99 per 7 days. Altimeter & Precision asks for nothing beyond the download.

Altimeter & Precision holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 1.4K and 2.5K respectively. Written reviews point the same way: 92% of Altimeter & Precision's written reviews are positive against 46% of Compass & Altimeter's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Altimeter & Precision | Compass & Altimeter |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.8 (1.4K ratings)](https://appshunter.io/ios/app/altimeter-and-precision-simple/id956232336/reviews)** | [4.6 (2.5K ratings)](https://appshunter.io/ios/app/compass-and-altimeter/id1624852951/reviews) |
| Number of ratings | 1.4K | **2.5K** |
| Positive reviews | **92.3% of reviews** | 46.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | — | **#121** |
| Size | 8 MB | 27 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Studio Nano Ship, Inc.](https://appshunter.io/developer/818733631) | [明力 王](https://appshunter.io/developer/1460236088) |

## What reviewers say

### Altimeter & Precision

[App page](https://appshunter.io/ios/app/altimeter-and-precision-simple/id956232336)

This app provides accurate altitude and GPS coordinates, trusted by thousands for over 7 years. It prioritizes user privacy with no data collection or sharing. Customize your experience with various background colors.

**Highlights:** Accuracy Display, No Annoying Ads, No data collected or shared, 16 Background Colors, Altitude Measurement, GPS Coordinates

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🔍 Accurate altitude readings
- 🗺️ Useful map integration
- 🔋 Reliable performance
- 💻 Works well on multiple devices

**What reviewers complain about**

- 🐛 Inconsistent altitude readings
- 🔒 Lack of customization options
- 🤖 Issues with GPS/location tracking
- 💰 Paid features not worth the cost

**Reported bugs**

- App crashes when switching to map view
- Altitude readings not updating correctly

**Requested features**

- Add iPad support
- Provide more detailed location information
- Include weather data integration
- Improve map functionality


### Compass & Altimeter

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

**Currently charting:** #121 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


## Frequently asked questions

### Is Altimeter & Precision free?

Altimeter & Precision costs $0.99, with no in-app purchases.

### Is Compass & Altimeter free?

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

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

Altimeter & Precision is rated higher. Altimeter & Precision averages 4.8 out of 5 from 1.4K ratings, while Compass & Altimeter averages 4.6 from 2.5K ratings.

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

Compass & Altimeter shows ads; Altimeter & Precision does not.

### Which is updated more often, Altimeter & Precision or Compass & Altimeter?

Altimeter & Precision ships an update monthly, and Compass & Altimeter monthly. Most recently, Altimeter & Precision was updated on November 6, 2026 and Compass & Altimeter on November 7, 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.*