# iBarometer vs Altimeter

The clearest difference is review sentiment: iBarometer at 100% against Altimeter's 0%. iBarometer also leads on update cadence (every 9 days vs every 3 weeks). Altimeter's advantage is ads (none vs shown). On price, in-app purchases, monetization model and device support there is nothing between them.

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

iBarometer ships an update every 9 days, Altimeter every 3 weeks. The most recent releases landed on October 1, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | iBarometer | Altimeter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | Freemium |
| Size | 7 MB | 29 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [景珂 陈](https://appshunter.io/developer/620312170) | [峰 蔺](https://appshunter.io/developer/1638851480) |

## What reviewers say

### iBarometer

[App page](https://appshunter.io/ios/app/ibarometer-barometer/id6787407049)

This app transforms your iPhone into a professional barometer, providing real-time atmospheric pressure readings and trend analysis. It includes historical graphs, altitude display, and a fishing activity score. It functions offline and offers advanced fishing predictions with a Pro upgrade.

**Highlights:** Real-time atmospheric pressure, Trend indicator and rate of change, Altitude display, Historical pressure graphs, Fishing activity score, Offline functionality

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

**In-app purchases:** none


### Altimeter

[App page](https://appshunter.io/ios/app/altimeter-altitude-elevation/id6788599346)

Track your altitude and location in real-time using GPS and barometric sensors. Record your journeys, analyze elevation trends with charts, and share your altitude milestones with custom data cards.

**Highlights:** Real-time elevation display, Precise location information, Built-in high-precision compass, Track recording and map playback, Elevation history and trend charts, Check-in photos with watermarks, Altitude sharing cards

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

**In-app purchases:** none


## Frequently asked questions

### Is iBarometer free?

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

### Is Altimeter free?

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

### Do iBarometer or Altimeter have ads?

iBarometer shows ads; Altimeter does not.

### Which is updated more often, iBarometer or Altimeter?

iBarometer ships an update every 9 days, and Altimeter every 3 weeks. Most recently, iBarometer was updated on October 1, 2026 and Altimeter on September 16, 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.*