# Pressure Altimeter vs Sky Gauge

The clearest difference is update cadence: Sky Gauge at every 4 weeks against Pressure Altimeter's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.

Pressure Altimeter costs $0.99 and Sky Gauge $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pressure Altimeter ships an update every 9 months, Sky Gauge every 4 weeks. The most recent releases landed on September 11, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Pressure Altimeter | Sky Gauge |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/pressure-altimeter/id929307651/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 weeks** |
| Monetization | Paid | — |
| Size | 5 MB | 2 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Lonnie Ganz](https://appshunter.io/developer/377624986) | [S. Justin Gengo](https://appshunter.io/developer/1753479362) |

## What reviewers say

### Pressure Altimeter

[App page](https://appshunter.io/ios/app/pressure-altimeter/id929307651)

This app uses your device's barometric pressure sensor to display your current altitude above sea level in real time. It also tracks vertical speed, allowing you to monitor ascent and descent rates, and saves your maximum and minimum altitudes.

**Highlights:** Real-time altitude display, Vertical speed monitoring, Saves max/min altitudes, Airplane mode compatible, Apple Watch support

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

**In-app purchases:** none


### Sky Gauge

[App page](https://appshunter.io/ios/app/sky-gauge/id6504712080)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Pressure Altimeter free?

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

### Is Sky Gauge free?

Sky Gauge costs $0.99, with no in-app purchases.

### Do Pressure Altimeter or Sky Gauge have ads?

Neither Pressure Altimeter nor Sky Gauge shows ads.

### Which is updated more often, Pressure Altimeter or Sky Gauge?

Pressure Altimeter ships an update every 9 months, and Sky Gauge every 4 weeks. Most recently, Pressure Altimeter was updated on September 11, 2026 and Sky Gauge on September 21, 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.*