# Pressure Altimeter vs Just Tides

The clearest difference is price: Just Tides at Free against Pressure Altimeter's $0.99. Just Tides also leads on update cadence (every 3 days vs every 9 months). Pressure Altimeter's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 18.2). On ads and in-app purchases there is nothing between them.

Just Tides is free to download; Pressure Altimeter costs $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, Just Tides every 3 days. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Pressure Altimeter | Just Tides |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| 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 3 days** |
| Monetization | Paid | — |
| Size | 5 MB | 12 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lonnie Ganz](https://appshunter.io/developer/377624986) | [Matthew Clark](https://appshunter.io/developer/1797183728) |

## 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


### Just Tides

[App page](https://appshunter.io/ios/app/just-tides/id6743323163)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pressure Altimeter free?

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

### Is Just Tides free?

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

### Do Pressure Altimeter or Just Tides have ads?

Neither Pressure Altimeter nor Just Tides shows ads.

### Which is updated more often, Pressure Altimeter or Just Tides?

Pressure Altimeter ships an update every 9 months, and Just Tides every 3 days. Most recently, Pressure Altimeter was updated on November 6, 2026 and Just Tides on November 8, 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.*