# Barometer & Altimeter vs Altimeter GPS Elevation

The clearest difference is in-app purchases: Barometer & Altimeter at none against Altimeter GPS Elevation's 1. Barometer & Altimeter also leads on update cadence (every 10 days vs every 6 months) and iOS requirement (16.0 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. Altimeter GPS Elevation sells 1 in-app purchase, starting at $2.99 per 7 days. Barometer & Altimeter asks for nothing beyond the download.

Barometer & Altimeter ships an update every 10 days, Altimeter GPS Elevation every 6 months. The most recent releases landed on September 9, 2026 and August 5, 2026 respectively.

## The numbers

| Metric | Barometer & Altimeter | Altimeter GPS Elevation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (25 ratings)](https://appshunter.io/ios/app/barometer-and-altimeter-howhigh/id921339656/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 6 months |
| Monetization | Free | — |
| Size | 7 MB | 24 MB |
| Requires iOS | **16.0** | 18.5 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thirty Seven Inc.](https://appshunter.io/developer/554594255) | [ES SOLUTIONS SMC-PRIVATE LIMITED](https://appshunter.io/developer/1770521364) |

## What reviewers say

### Barometer & Altimeter

[App page](https://appshunter.io/ios/app/barometer-and-altimeter-howhigh/id921339656)

This app provides precise barometer and altimeter readings with live data, session recording, and historical analysis. It features automatic device calibration and supports various Apple devices and accessibility features.

**Highlights:** Dual barometer and altimeter dashboards, Real-time pressure and elevation readings, Session recording with rich datasets, Interactive Swift Charts for analysis, Automatic device calibration, Optional WeatherKit sea-level calibration

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

**In-app purchases:** none


### Altimeter GPS Elevation

[App page](https://appshunter.io/ios/app/altimeter-gps-elevation/id6748744079)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $2.99 | per 7 days |


## Frequently asked questions

### Is Barometer & Altimeter free?

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

### Is Altimeter GPS Elevation free?

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

### Do Barometer & Altimeter or Altimeter GPS Elevation have ads?

Neither Barometer & Altimeter nor Altimeter GPS Elevation shows ads.

### Which is updated more often, Barometer & Altimeter or Altimeter GPS Elevation?

Barometer & Altimeter ships an update every 10 days, and Altimeter GPS Elevation every 6 months. Most recently, Barometer & Altimeter was updated on September 9, 2026 and Altimeter GPS Elevation on August 5, 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.*