# Barometer ∞ Pressure Altitude vs Altimeter

The clearest difference is in-app purchases: Barometer ∞ Pressure Altitude at none against Altimeter's 3. Altimeter's advantage is ads (none vs shown) and update cadence (every 4 weeks vs every 15 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Altimeter sells 3 in-app purchases, starting at $2.99 per 7 days. Barometer ∞ Pressure Altitude asks for nothing beyond the download.

Barometer ∞ Pressure Altitude ships an update every 15 months, Altimeter every 4 weeks. The most recent releases landed on September 9, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | Barometer ∞ Pressure Altitude | Altimeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/barometer-pressure-altitude/id6740811403/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 15 months | **Every 4 weeks** |
| Monetization | Ad-supported | — |
| Size | 4 MB | 8 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fawkes Wei](https://appshunter.io/developer/432767536) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Barometer ∞ Pressure Altitude

[App page](https://appshunter.io/ios/app/barometer-pressure-altitude/id6740811403)

Access your device's built-in barometer for real-time atmospheric pressure and altitude readings. Offers multiple units and works offline without requiring signup or subscriptions.

**Highlights:** Live barometric pressure readings, Current altitude display, Multiple pressure units (atm, hPa, kPa, Bar), Offline functionality, Native iOS design, Minimalist interface

**In-app purchases:** none


### Altimeter

[App page](https://appshunter.io/ios/app/altimeter-gps-elevation/id6772261844)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Climb Log: Weekly | $2.99 | per 7 days |
| Summit Height: Yearly | $14.99 | per year |
| Offline Altitude: Pay Once | $29.99 | one-time |


## Frequently asked questions

### Is Barometer ∞ Pressure Altitude free?

Barometer ∞ Pressure Altitude is free to download, with no in-app purchases.

### Is Altimeter free?

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

### Do Barometer ∞ Pressure Altitude or Altimeter have ads?

Barometer ∞ Pressure Altitude shows ads; Altimeter does not.

### Which is updated more often, Barometer ∞ Pressure Altitude or Altimeter?

Barometer ∞ Pressure Altitude ships an update every 15 months, and Altimeter every 4 weeks. Most recently, Barometer ∞ Pressure Altitude was updated on September 9, 2026 and Altimeter on August 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.*