# HgBarometer vs Barometric Pressure Offline

The clearest difference is rating: Barometric Pressure Offline at 4.8 against HgBarometer's 4.0. Barometric Pressure Offline also leads on ratings volume (210 vs 1) and update cadence (monthly vs every 4 months). HgBarometer's advantage is in-app purchases (none vs 5) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Barometric Pressure Offline sells 5 in-app purchases, starting at $4.99 per 7 days. HgBarometer asks for nothing beyond the download.

Barometric Pressure Offline holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Barometric Pressure Offline has 210 ratings behind it against 1, so its average is the more settled of the two.

HgBarometer ships an update every 4 months, Barometric Pressure Offline monthly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | HgBarometer | Barometric Pressure Offline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/hgbarometer/id1234010346/reviews) | **[4.8 (210 ratings)](https://appshunter.io/ios/app/barometric-pressure-offline/id6742408392/reviews)** |
| Number of ratings | 1 | **210** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 61 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Matus](https://appshunter.io/developer/987936850) | [Pablo Paciello](https://appshunter.io/developer/834434174) |

## What reviewers say

### HgBarometer

[App page](https://appshunter.io/ios/app/hgbarometer/id1234010346)

This app assists users of mercury barometers by simplifying pressure calculations. It helps determine barometric pressure by accounting for meniscus height, instrument temperature, and local gravity. It also offers unit conversions and can be used to calibrate barometers.

**Highlights:** Simplifies mercury barometer pressure calculations, Accounts for meniscus height, temperature, and gravity, Supports multiple pressure units, Facilitates barometer calibration, Allows sharing of observations and results

**Features:** macOS Compatibility

**In-app purchases:** none


### Barometric Pressure Offline

[App page](https://appshunter.io/ios/app/barometric-pressure-offline/id6742408392)

This app tracks barometric pressure and altitude, working offline to keep you informed about weather changes. It provides alerts for deteriorating weather and sudden pressure shifts, which can be helpful for managing certain health conditions. Users can view historical data, export it, and utilize home screen widgets.

**Highlights:** Offline pressure and altitude tracking, Deteriorated weather alerts, Sudden pressure change alerts, History tracking and trend prediction, Export history to CSV & JSON, iOS Widgets for home and lock screen

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Subscription weekly | $4.99 | per 7 days |
| PRO Subscription monthly | $9.99 | per month |
| PRO Subscription yearly | $29.99 | per year |
| Barometer Lifetime | $9.99 | one-time |
| Barometer Lifetime | $49.99 | one-time |

**What reviewers like**

- 👍 Clean, simple, easy to use
- 💰 Reasonable one-time fee
- 🚀 Fast developer response
- 💯 Accurate and dependable
- 🔒 Good privacy, no data collection

**What reviewers complain about**

- ❌ Not detailed enough for migraines
- 🔄 Does not refresh automatically
- ❓ Unclear data access requirements
- 🔋 High battery usage due to location services
- 📍 Location services required

**Reported bugs**

- App does not notify of significant changes
- App does not refresh unless manually opened
- Motion data access needed screen with no clear resolution
- Lock screen widget does not update without opening the app
- Typo in 'deteriorated'

**Requested features**

- More frequent updates and readings
- Notifications for pressure drops over a wider range of hours (4-7)
- Re-add notifications/alarms for barometric pressure increases
- Self-adjusting vertical scale for pressure trend graph
- User-selectable notification threshold


## Frequently asked questions

### Is HgBarometer free?

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

### Is Barometric Pressure Offline free?

Barometric Pressure Offline is free to download, with in-app purchases available.

### Which has better reviews, HgBarometer or Barometric Pressure Offline?

Barometric Pressure Offline is rated higher. HgBarometer averages 4.0 out of 5 from 1 ratings, while Barometric Pressure Offline averages 4.8 from 210 ratings.

### Do HgBarometer or Barometric Pressure Offline have ads?

Neither HgBarometer nor Barometric Pressure Offline shows ads.

### Which is updated more often, HgBarometer or Barometric Pressure Offline?

HgBarometer ships an update every 4 months, and Barometric Pressure Offline monthly. Most recently, HgBarometer was updated on November 2, 2026 and Barometric Pressure Offline on October 30, 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.*