# +Compass+ vs Altimeter & GPS

The clearest difference is in-app purchases: +Compass+ at none against Altimeter & GPS's 2. +Compass+ also leads on update cadence (monthly vs every 10 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Altimeter & GPS sells 2 in-app purchases, starting at $4.99 per month. +Compass+ asks for nothing beyond the download.

+Compass+ ships an update monthly, Altimeter & GPS every 10 months. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | +Compass+ | Altimeter & GPS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 10 months |
| Size | 5 MB | 24 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Todd](https://appshunter.io/developer/1211079532) | [kota tada](https://appshunter.io/developer/1658942612) |

## What reviewers say

### +Compass+

[App page](https://appshunter.io/ios/app/plus-compass-plus/id6578449109)

**Features:** macOS Compatibility

**In-app purchases:** none


### Altimeter & GPS

[App page](https://appshunter.io/ios/app/altimeter-and-gps-compass/id6741721711)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $49.99 | per year |


## Frequently asked questions

### Is +Compass+ free?

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

### Is Altimeter & GPS free?

Altimeter & GPS is free to download, with in-app purchases available.

### Do +Compass+ or Altimeter & GPS have ads?

Both +Compass+ and Altimeter & GPS show ads.

### Which is updated more often, +Compass+ or Altimeter & GPS?

+Compass+ ships an update monthly, and Altimeter & GPS every 10 months. Most recently, +Compass+ was updated on October 5, 2026 and Altimeter & GPS on October 24, 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.*