# Barometer Plus vs RoadSignal

The clearest difference is rating: RoadSignal at 5.0 against Barometer Plus's 4.0. RoadSignal also leads on in-app purchases (none vs 4) and ads (none vs shown). Barometer Plus's advantage is ratings volume (420 vs 1) and iOS requirement (13.0 vs 15.1). On price and device support there is nothing between them.

Both are free to download. Barometer Plus sells 4 one-off in-app purchases. RoadSignal asks for nothing beyond the download.

RoadSignal holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Barometer Plus has 420 ratings behind it against 1, so its average is the more settled of the two.

Barometer Plus ships an update every 6 weeks, RoadSignal every 11 days. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Barometer Plus | RoadSignal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (420 ratings)](https://appshunter.io/ios/app/barometer-plus-altimeter/id1071044152/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/roadsignal/id6763380303/reviews)** |
| Number of ratings | **420** | 1 |
| Positive reviews | 63.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 40 MB | 70 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ngo Na](https://appshunter.io/developer/1061345952) | [Gwen Hickman](https://appshunter.io/developer/1895289214) |

## What reviewers say

### Barometer Plus

[App page](https://appshunter.io/ios/app/barometer-plus-altimeter/id1071044152)

This app measures air pressure and altitude using your device's built-in sensor. It helps predict weather changes, monitor health impacts of pressure fluctuations, and optimize activities like fishing. Customize its appearance and receive notifications about significant pressure shifts.

**Highlights:** Barometer and altimeter with analog display, Temperature and humidity readings, Pressure and altitude unit conversion, GPS and airport data calibration, Relative altitude measurement, Pressure change notifications, History tracking and graph

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads, Widget and Export | $0.99 | one-time |
| Unlimited custom rules | $0.99 | one-time |
| Exact update interval | $1.99 | one-time |
| Platinum Edition | $3.99 | one-time |

**What reviewers like**

- 🚀 Accurate
- 👍 Easy to use
- 🔍 Helpful for tracking migraines/arthritis
- 💡 Customizable settings
- 🔍 Useful for weather/fishing/aviation

**What reviewers complain about**

- 🐛 Inaccurate readings
- 📺 Intrusive ads
- 🔒 Privacy concerns with fitness tracking
- 🔋 Drains battery
- 🤔 Confusing interface

**Reported bugs**

- Stops tracking pressure changes
- Incompatible with iOS 10 on iPads
- Freezes or crashes on launch

**Requested features**

- Pressure trend indicators
- Customizable graphs and data export
- Notifications for pressure changes
- Arthritis/migraine warning indicators


### RoadSignal

[App page](https://appshunter.io/ios/app/roadsignal/id6763380303)

This app provides real-time weather and road condition updates to help you make informed decisions. It offers current conditions, forecasts, official alerts, and road-specific risk assessments at a glance.

**Highlights:** Current weather conditions, Hourly forecast context, Official weather alerts, Road-aware weather information, Risk assessment for travel

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

**In-app purchases:** none


## Frequently asked questions

### Is Barometer Plus free?

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

### Is RoadSignal free?

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

### Which has better reviews, Barometer Plus or RoadSignal?

RoadSignal is rated higher. Barometer Plus averages 4.0 out of 5 from 420 ratings, while RoadSignal averages 5.0 from 1 ratings.

### Do Barometer Plus or RoadSignal have ads?

Barometer Plus shows ads; RoadSignal does not.

### Which is updated more often, Barometer Plus or RoadSignal?

Barometer Plus ships an update every 6 weeks, and RoadSignal every 11 days. Most recently, Barometer Plus was updated on October 24, 2026 and RoadSignal on October 17, 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.*