# Alt vs Pressure Altimeter Tracker

The clearest difference is rating: Pressure Altimeter Tracker at 5.0 against Alt's 4.5. Pressure Altimeter Tracker also leads on update cadence (monthly vs every 15 months) and review sentiment (100% vs 76%). Alt's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Pressure Altimeter Tracker sells 1 in-app purchase, starting at $5.99 per year. Alt asks for nothing beyond the download.

Pressure Altimeter Tracker holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 8 and 6 respectively. Written reviews point the same way: 76% of Alt's written reviews are positive against 100% of Pressure Altimeter Tracker's.

Alt ships an update every 15 months, Pressure Altimeter Tracker monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Alt | Pressure Altimeter Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (8 ratings)](https://appshunter.io/ios/app/alt-o-meter/id1073846820/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/pressure-altimeter-tracker/id6449918068/reviews)** |
| Number of ratings | **8** | 6 |
| Positive reviews | 76.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Monthly** |
| Monetization | **Free** | Freemium |
| Size | 3 MB | 22 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Hinman](https://appshunter.io/developer/1073846819) | [Bog Bridges LLC](https://appshunter.io/developer/1480079828) |

## What reviewers say

### Alt

[App page](https://appshunter.io/ios/app/alt-o-meter/id1073846820)

This app calculates your precise altitude above sea level using your device's barometer or GPS. It offers a realistic, retro design and automatically calibrates for local atmospheric pressure, with optional manual calibration for advanced users.

**Highlights:** Barometer-based altitude calculation, GPS fallback for devices without barometer, Automatic local pressure calibration, Optional user calibration, Retro-style interface, Precise height above sea level

**In-app purchases:** none


### Pressure Altimeter Tracker

[App page](https://appshunter.io/ios/app/pressure-altimeter-tracker/id6449918068)

Track real-time altitude changes with interactive graphs and Live Activities. Offers sea-level or relative altitude modes, with optional CSV export/import for detailed data analysis. Includes a standalone Watch app and real-time climb/descent statistics.

**Highlights:** Real-time altitude tracking, Interactive altitude graphs, Live Activities display, Relative altitude mode, CSV export/import, Standalone Watch app, Real-time climb/descent stats

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features | $5.99 | per year |


## Frequently asked questions

### Is Alt free?

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

### Is Pressure Altimeter Tracker free?

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

### Which has better reviews, Alt or Pressure Altimeter Tracker?

Pressure Altimeter Tracker is rated higher. Alt averages 4.5 out of 5 from 8 ratings, while Pressure Altimeter Tracker averages 5.0 from 6 ratings.

### Do Alt or Pressure Altimeter Tracker have ads?

Neither Alt nor Pressure Altimeter Tracker shows ads.

### Which is updated more often, Alt or Pressure Altimeter Tracker?

Alt ships an update every 15 months, and Pressure Altimeter Tracker monthly. Most recently, Alt was updated on October 24, 2026 and Pressure Altimeter Tracker on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*