# Barometer & Altimeter vs ProKit

The clearest difference is review sentiment: ProKit at 100% against Barometer & Altimeter's 57%. ProKit also leads on rating (5.0 vs 2.6). Barometer & Altimeter's advantage is ratings volume (28 vs 2) and device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ProKit holds the better App Store score, 5.0 against 2.6. That said, the two scores are not equally well evidenced: Barometer & Altimeter has 28 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 57% of Barometer & Altimeter's written reviews are positive against 100% of ProKit's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Barometer & Altimeter | ProKit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (28 ratings)](https://appshunter.io/ios/app/barometer-and-altimeter-howhigh/id921339656/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/prokit-barometer-and-tools/id6743349151/reviews)** |
| Number of ratings | **28** | 2 |
| Positive reviews | 57.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 9 MB | 28 MB |
| Requires iOS | **16.0** | 18 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Thirty Seven Inc.](https://appshunter.io/developer/554594255) | [omer yuksel](https://appshunter.io/developer/1735991224) |

## 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


### ProKit

[App page](https://appshunter.io/ios/app/prokit-barometer-and-tools/id6743349151)

This utility app offers a suite of tools including a barometer for altitude and pressure, a speedometer, a decibel meter, a heart rate monitor, a compass, NFC tag management, and QR code generation/scanning. It also includes Sudoku puzzles and guided breathing exercises.

**Highlights:** Barometer for altitude and pressure, Speedometer with customization, Decibel meter with live graphs, Heart rate monitor via camera, NFC tag reader/writer, QR code creator and scanner, Sudoku puzzles with statistics, Guided breathing exercises

**In-app purchases:** none


## Frequently asked questions

### Is Barometer & Altimeter free?

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

### Is ProKit free?

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

### Which has better reviews, Barometer & Altimeter or ProKit?

ProKit is rated higher. Barometer & Altimeter averages 2.6 out of 5 from 28 ratings, while ProKit averages 5.0 from 2 ratings.

### Do Barometer & Altimeter or ProKit have ads?

Neither Barometer & Altimeter nor ProKit shows ads.

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

Barometer & Altimeter ships an update every 3 weeks, and ProKit every 3 weeks. Most recently, Barometer & Altimeter was updated on October 18, 2026 and ProKit on October 19, 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.*