# Max Altitude vs CallShield

The clearest difference is in-app purchases: Max Altitude at none against CallShield's 5. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. CallShield sells 5 in-app purchases, starting at $2.99 per month. Max Altitude asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Max Altitude against 5.0 for CallShield. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

## The numbers

| Metric | Max Altitude | CallShield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/max-altitude/id6759246206/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/callshield-scam-call-blocker/id6802440221/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 15 MB |
| Requires iOS | 17.2 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vincent Palma](https://appshunter.io/developer/1815043599) | [Steven Hall](https://appshunter.io/developer/6802440223) |

## What reviewers say

### Max Altitude

[App page](https://appshunter.io/ios/app/max-altitude/id6759246206)

This utility app provides precise elevation tracking by combining GPS and barometric sensor data. It offers real-time altitude readings in a user-friendly interface for outdoor activities or general curiosity.

**Highlights:** Precise elevation tracking, GPS and barometric sensor fusion, Real-time altitude data, Beautiful user interface, Compass functionality

**In-app purchases:** none


### CallShield

[App page](https://appshunter.io/ios/app/callshield-scam-call-blocker/id6802440221)

This app helps you avoid unwanted calls by identifying and blocking scam numbers. It labels suspicious calls and silences those with strong evidence of being fraudulent, while also filing scam texts to your spam folder. You can report new scam numbers to help protect others.

**Highlights:** Silences scam calls, Labels suspicious calls, Files scam texts to spam, One-tap number reporting, Explains scam types, Contacts always ring through

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Individual | $2.99 | per month |
| Family | $4.99 | per month |
| Individual | $24.99 | per year |
| Family | $39.99 | per year |
| 3-Day Trial | Free | one-time |


## Frequently asked questions

### Is Max Altitude free?

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

### Is CallShield free?

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

### Which has better reviews, Max Altitude or CallShield?

Max Altitude and CallShield are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Max Altitude or CallShield have ads?

Neither Max Altitude nor CallShield shows ads.

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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.*