# Altitude Checker vs Ran's Cat Chat

The clearest difference is update cadence: Ran's Cat Chat at every 6 days against Altitude Checker's every 4 months. Altitude Checker's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Altitude Checker sells 1 one-off in-app purchase and Ran's Cat Chat sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Altitude Checker ships an update every 4 months, Ran's Cat Chat every 6 days. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Altitude Checker | Ran's Cat Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/altitude-checker/id635168846/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 282 MB | 16 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takafumi AMANO](https://appshunter.io/developer/581065340) | [Noriyoshi Oka](https://appshunter.io/developer/1856072955) |

## What reviewers say

### Altitude Checker

[App page](https://appshunter.io/ios/app/altitude-checker/id635168846)

Measure altitude using your device's location or by selecting points on a map. Offers various measurement modes and customizable settings for units, datums, and coordinate systems. Includes an option to display addresses or coordinates.

**Highlights:** Map Measurement Mode, GNSS Mode, Digital Elevation Model (DEM) data, Unit selection (Meter/Foot), Special Datum options, Coordinate System selection, Address/Coordinate display

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Ran's Cat Chat

[App page](https://appshunter.io/ios/app/rans-cat-chat/id6755747407)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.49 | one-time |


## Frequently asked questions

### Is Altitude Checker free?

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

### Is Ran's Cat Chat free?

Ran's Cat Chat is free to download, with in-app purchases available.

### Do Altitude Checker or Ran's Cat Chat have ads?

Both Altitude Checker and Ran's Cat Chat show ads.

### Which is updated more often, Altitude Checker or Ran's Cat Chat?

Altitude Checker ships an update every 4 months, and Ran's Cat Chat every 6 days. Most recently, Altitude Checker was updated on November 6, 2026 and Ran's Cat Chat on November 9, 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.*