# PDF vs GPS Real

The clearest difference is price: GPS Real at Free against PDF's $2.99. GPS Real also leads on update cadence (every 5 days vs every 18 months). PDF's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

GPS Real is free to download; PDF costs $2.99 up front. GPS Real sells 2 one-off in-app purchases. PDF asks for nothing beyond the download.

PDF ships an update every 18 months, GPS Real every 5 days. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | PDF | GPS Real |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[4.6 (32 ratings)](https://appshunter.io/ios/app/gps-real-time-altitude-meter/id6746748428/reviews)** |
| Number of ratings | — | **32** |
| Positive reviews | — | 81.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 5 days** |
| Monetization | — | Free |
| Size | 1 MB | 75 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KARL ULRICH W_BER](https://appshunter.io/developer/1681238494) | [海英 王](https://appshunter.io/developer/1802757012) |

## What reviewers say

### PDF

[App page](https://appshunter.io/ios/app/pdf-presenter/id6471621564)

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

**In-app purchases:** none


### GPS Real

[App page](https://appshunter.io/ios/app/gps-real-time-altitude-meter/id6746748428)

This app provides real-time environmental data for outdoor activities. It accurately measures altitude, air pressure, and oxygen concentration, and includes a compass and GPS tracking. Users can also customize themes and view weather forecasts.

**Highlights:** Real-time altitude measurement, Air pressure and oxygen concentration sensing, High-precision electronic compass, Intelligent positioning and tracking, Customizable app themes, HD 3D map navigation, Intelligent weather forecast

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reward the Author​ | $0.99 | one-time |
| Clear All Ads | $1.99 | one-time |


## Frequently asked questions

### Is PDF free?

PDF costs $2.99, with no in-app purchases.

### Is GPS Real free?

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

### Do PDF or GPS Real have ads?

Neither PDF nor GPS Real shows ads.

### Which is updated more often, PDF or GPS Real?

PDF ships an update every 18 months, and GPS Real every 5 days. Most recently, PDF was updated on November 4, 2026 and GPS Real on November 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*