# CorrectAltitude vs Altitude Measurement

The clearest difference is price: Altitude Measurement at Free against CorrectAltitude's $0.99. Altitude Measurement also leads on review sentiment (18% vs 0%). CorrectAltitude's advantage is in-app purchases (none vs 3) and ads (none vs shown). On update cadence and device support there is nothing between them.

Altitude Measurement is free to download; CorrectAltitude costs $0.99 up front. Altitude Measurement sells 3 one-off in-app purchases. CorrectAltitude asks for nothing beyond the download.

CorrectAltitude ships an update every 8 months, Altitude Measurement every 13 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CorrectAltitude | Altitude Measurement |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[2.0 (30 ratings)](https://appshunter.io/ios/app/altitude-measurement/id887841155/reviews)** |
| Number of ratings | — | **30** |
| Positive reviews | 0.0% of reviews | **17.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 8 months** | Every 13 months |
| Monetization | Paid | **Ad-supported** |
| Size | 3 MB | 5 MB |
| Requires iOS | **13.1** | 17.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [koji otani](https://appshunter.io/developer/503754671) | [Nanshu Kaneshiro](https://appshunter.io/developer/798559687) |

## What reviewers say

### CorrectAltitude

[App page](https://appshunter.io/ios/app/correctaltitude/id595948623)

Accurately determine your altitude using data from multiple GPS satellites. Capture photos with altitude and date stamps, and optionally display your named location for emergency use. Ideal for outdoor activities where precise elevation is crucial.

**Highlights:** Precise altitude determination, Altitude and date-stamped photos, Location display for emergencies, Continuous GPS triangulation, Adjustable accuracy range, Notify mode for altitude updates

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

**In-app purchases:** none


### Altitude Measurement

[App page](https://appshunter.io/ios/app/altitude-measurement/id887841155)

This app displays your current altitude in meters or feet directly on a map. It allows you to see the elevation of a central point or up to five points along a straight line. Easily find your height above sea level with this intuitive tool.

**Highlights:** Display altitude on map, Measure central point elevation, Measure 5 points on a line, Search for locations, Show current location

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee tip | $1.99 | one-time |
| Lunch tip | $5.99 | one-time |
| Generous tip | $29.99 | one-time |


## Frequently asked questions

### Is CorrectAltitude free?

CorrectAltitude costs $0.99, with no in-app purchases.

### Is Altitude Measurement free?

Altitude Measurement is free to download, with in-app purchases available.

### Do CorrectAltitude or Altitude Measurement have ads?

Altitude Measurement shows ads; CorrectAltitude does not.

### Which is updated more often, CorrectAltitude or Altitude Measurement?

CorrectAltitude ships an update every 8 months, and Altitude Measurement every 13 months. Most recently, CorrectAltitude was updated on October 26, 2026 and Altitude Measurement 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.*