# Altimeter vs Realtime Altimeter

The clearest difference is review sentiment: Realtime Altimeter at 100% against Altimeter's 53%. Realtime Altimeter also leads on ads (none vs shown) and update cadence (weekly vs every 2 months). Altimeter's advantage is in-app purchases (none vs 1) and ratings volume (125 vs 1). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Realtime Altimeter sells 1 one-off in-app purchase. Altimeter asks for nothing beyond the download.

Realtime Altimeter holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Altimeter has 125 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 53% of Altimeter's written reviews are positive against 100% of Realtime Altimeter's.

Altimeter ships an update every 2 months, Realtime Altimeter weekly. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Altimeter | Realtime Altimeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (125 ratings)](https://appshunter.io/ios/app/altimeter-i/id905216286/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/realtime-altimeter-compass/id6762048279/reviews)** |
| Number of ratings | **125** | 1 |
| Positive reviews | 53.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Ad-supported | **Free** |
| Size | 7 MB | 2 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [EONSOFT](https://appshunter.io/developer/899851112) | [haoqiang shan](https://appshunter.io/developer/1440000825) |

## What reviewers say

### Altimeter

[App page](https://appshunter.io/ios/app/altimeter-i/id905216286)

This app uses your iPhone's GPS to display your current, maximum, and minimum altitude. It's ideal for hikers and travelers who need to know their elevation in various units and with adjustable scale magnification.

**Highlights:** GPS altitude display, Current, max, and min altitude tracking, Multiple unit options (m, ft, yd), Adjustable scale magnification, Ideal for hiking and travel

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


### Realtime Altimeter

[App page](https://appshunter.io/ios/app/realtime-altimeter-compass/id6762048279)

This app provides precise altitude, coordinates, pressure, and speed readings using your device's GPS and barometer. It offers offline functionality, track recording, weather prediction, and a suite of outdoor tools without requiring an account or internet connection.

**Highlights:** Live altitude, pressure, and coordinate readings, Offline weather prediction, Track recording with GPX export, True-north compass and spirit level, Altitude check-in album with watermarks, Home and Lock Screen widgets

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me a Coffee | $0.99 | one-time |


## Frequently asked questions

### Is Altimeter free?

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

### Is Realtime Altimeter free?

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

### Which has better reviews, Altimeter or Realtime Altimeter?

Realtime Altimeter is rated higher. Altimeter averages 4.7 out of 5 from 125 ratings, while Realtime Altimeter averages 5.0 from 1 ratings.

### Do Altimeter or Realtime Altimeter have ads?

Altimeter shows ads; Realtime Altimeter does not.

### Which is updated more often, Altimeter or Realtime Altimeter?

Altimeter ships an update every 2 months, and Realtime Altimeter weekly. Most recently, Altimeter was updated on November 6, 2026 and Realtime Altimeter on October 31, 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.*