# Altimeter+ vs Nautigo

The clearest difference is price: Nautigo at Free against Altimeter+'s $1.99. Altimeter+'s advantage is chart position (#20 vs unranked) and iOS requirement (11.1 vs 15.1). On update cadence, ads, in-app purchases and device support there is nothing between them.

Nautigo is free to download; Altimeter+ costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Altimeter+ ships an update every 2 months, Nautigo monthly. The most recent releases landed on September 23, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Altimeter+ | Nautigo |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.5 (700 ratings)](https://appshunter.io/ios/app/altimeter-plus/id417204570/reviews)** | — |
| Number of ratings | **700** | — |
| Positive reviews | 74.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Best chart rank | **#20** | — |
| Size | 45 MB | 48 MB |
| Requires iOS | **11.1** | 15.1 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sichtwerk AG](https://appshunter.io/developer/410851296) | [ACCESOWEB DESIGN LTDA ME](https://appshunter.io/developer/1116746913) |

## What reviewers say

### Altimeter+

[App page](https://appshunter.io/ios/app/altimeter-plus/id417204570)

**Currently charting:** #20 Top Paid · Navigation (US App Store)

This app measures your current altitude using GPS, ASTER data, or your device's barometer. It offers an integrated map with peak data, a compass, and distance grids, functioning even without active GPS.

**Highlights:** GPS, ASTER, and barometer altitude measurement, Average altitude calculation, Integral map with peak indicator, Compass and distance grid, Apple Watch support, Works without active GPS

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Accurate and reliable
- 🗺️ Useful map and GPS features
- 💡 Helpful for hiking, flying, and various activities
- 🔍 Precise altitude readings
- 🔨 Simple and easy to use

**What reviewers complain about**

- 🐛 Calibration issues on Apple Watch
- 🔋 High battery consumption on Apple Watch
- 🌞 Difficult to read in bright sunlight
- 🤖 Compatibility issues with newer iOS versions

**Reported bugs**

- App crashes when trying to calibrate or access settings
- Altimeter readings are inaccurate or inconsistent
- App not working on certain devices or iOS versions

**Requested features**

- Add option to display altitude in feet or meters
- Implement automatic calibration using GPS
- Add complication support for Apple Watch
- Provide above ground level (AGL) altitude reading


### Nautigo

[App page](https://appshunter.io/ios/app/nautigo/id6752305278)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Altimeter+ free?

Altimeter+ costs $1.99, with no in-app purchases.

### Is Nautigo free?

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

### Do Altimeter+ or Nautigo have ads?

Neither Altimeter+ nor Nautigo shows ads.

### Which is updated more often, Altimeter+ or Nautigo?

Altimeter+ ships an update every 2 months, and Nautigo monthly. Most recently, Altimeter+ was updated on September 23, 2026 and Nautigo on September 14, 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.*