# iBarometer vs El Niño

The clearest difference is price: iBarometer at Free against El Niño's $9.99. El Niño's advantage is ads (none vs shown) and update cadence (every 3 days vs every 9 days). On in-app purchases, device support and iOS requirement there is nothing between them.

iBarometer is free to download; El Niño costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iBarometer ships an update every 9 days, El Niño every 3 days. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | iBarometer | El Niño |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | — | **#74** |
| Size | 7 MB | 25 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [景珂 陈](https://appshunter.io/developer/620312170) | [Anton Novichikhin](https://appshunter.io/developer/1873809103) |

## 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


### El Niño

[App page](https://appshunter.io/ios/app/el-nino/id6790213208)

**Currently charting:** #74 Top Paid · Weather (US App Store)

**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 El Niño free?

El Niño costs $9.99, with no in-app purchases.

### Do iBarometer or El Niño have ads?

iBarometer shows ads; El Niño does not.

### Which is updated more often, iBarometer or El Niño?

iBarometer ships an update every 9 days, and El Niño every 3 days. Most recently, iBarometer was updated on October 17, 2026 and El Niño on October 11, 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.*