# PD Altitude vs Heli

The clearest difference is in-app purchases: Heli at none against PD Altitude's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PD Altitude sells 1 one-off in-app purchase. Heli asks for nothing beyond the download.

PD Altitude ships an update every 4 weeks, Heli every 2 weeks. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | PD Altitude | Heli |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Size | 22 MB | 66 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [PITCHLINKS LIMITED](https://appshunter.io/developer/1593816127) | [GSD FIRST PTY LTD](https://appshunter.io/developer/1885049208) |

## What reviewers say

### PD Altitude

[App page](https://appshunter.io/ios/app/pd-altitude/id1664694408)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| My Location | $1.99 | one-time |


### Heli

[App page](https://appshunter.io/ios/app/heli-x-analytics/id6760613446)

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

**In-app purchases:** none


## Frequently asked questions

### Is PD Altitude free?

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

### Is Heli free?

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

### Do PD Altitude or Heli have ads?

Neither PD Altitude nor Heli shows ads.

### Which is updated more often, PD Altitude or Heli?

PD Altitude ships an update every 4 weeks, and Heli every 2 weeks. Most recently, PD Altitude was updated on November 7, 2026 and Heli 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.*