# Altimeter Offline vs StrongBox

The clearest difference is ads: StrongBox at none against Altimeter Offline's shown. Altimeter Offline's advantage is update cadence (every 4 months vs every 41 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Altimeter Offline ships an update every 4 months, StrongBox every 41 months. The most recent releases landed on October 21, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Altimeter Offline | StrongBox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (6 ratings)](https://appshunter.io/ios/app/altimeter-offline/id928973448/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 41 months |
| Monetization | Ad-supported | — |
| Size | 8 MB | 36 MB |
| Requires iOS | 13.3 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Arnau Egea](https://appshunter.io/developer/902788505) | [JADAYA INVERSIONES SOCIEDAD LIMITADA](https://appshunter.io/developer/1609056669) |

## What reviewers say

### Altimeter Offline

[App page](https://appshunter.io/ios/app/altimeter-offline/id928973448)

Measure your current altitude and geographic coordinates without an internet connection. Ideal for outdoor activities like hiking and climbing where network coverage is unreliable. Track your highest altitude and share your progress with friends.

**Highlights:** Offline altimeter functionality, Displays geographic coordinates, Records highest altitude reached, Altitude in meters and feet, Customizable wallpapers, GPS sensor auto-off to save battery

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

**In-app purchases:** none


### StrongBox

[App page](https://appshunter.io/ios/app/strongbox/id1615410888)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Altimeter Offline free?

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

### Is StrongBox free?

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

### Do Altimeter Offline or StrongBox have ads?

Altimeter Offline shows ads; StrongBox does not.

### Which is updated more often, Altimeter Offline or StrongBox?

Altimeter Offline ships an update every 4 months, and StrongBox every 41 months. Most recently, Altimeter Offline was updated on October 21, 2026 and StrongBox on October 6, 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.*