# Altimeter & Barometer vs DataSilo

The clearest difference is ads: DataSilo at none against Altimeter & Barometer's shown. DataSilo also leads on update cadence (monthly vs every 13 months) and iOS requirement (13.0 vs 15). On price, in-app purchases 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.

Altimeter & Barometer ships an update every 13 months, DataSilo monthly. The most recent releases landed on October 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Altimeter & Barometer | DataSilo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (152 ratings)](https://appshunter.io/ios/app/altimeter-and-barometer/id541514339/reviews)** | — |
| Number of ratings | **152** | — |
| Positive reviews | 54.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 13 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 11 MB | 22 MB |
| Requires iOS | 15 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [DATA MONITORING S.L.](https://appshunter.io/developer/1361669407) |

## What reviewers say

### Altimeter & Barometer

[App page](https://appshunter.io/ios/app/altimeter-and-barometer/id541514339)

This app provides real-time altitude and atmospheric pressure readings. It uses GPS for location and sea level measurements, with a conversion tool for meters to feet. For compatible devices, it also offers barometric pressure sensing.

**Highlights:** GPS altitude measurement, Sea level display in meters, Meter to feet conversion calculator, Barometric pressure sensor (iPhone 6+), Map of current position

**Features:** Vision Pro support

**In-app purchases:** none


### DataSilo

[App page](https://appshunter.io/ios/app/datasilo/id1514635918)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Altimeter & Barometer free?

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

### Is DataSilo free?

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

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

Altimeter & Barometer shows ads; DataSilo does not.

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

Altimeter & Barometer ships an update every 13 months, and DataSilo monthly. Most recently, Altimeter & Barometer was updated on October 17, 2026 and DataSilo on September 18, 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.*