# Polnav BT bridge vs GPS Elevation · Pro Altimeter

The clearest difference is in-app purchases: Polnav BT bridge at none against GPS Elevation · Pro Altimeter's 3. Polnav BT bridge also leads on iOS requirement (11.0 vs 17.0). GPS Elevation · Pro Altimeter's advantage is update cadence (every 11 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. GPS Elevation · Pro Altimeter sells 3 in-app purchases, starting at $0.99 per month. Polnav BT bridge asks for nothing beyond the download.

Polnav BT bridge ships an update every 2 months, GPS Elevation · Pro Altimeter every 11 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Polnav BT bridge | GPS Elevation · Pro Altimeter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Size | 5 MB | 6 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Polstar Technologies Inc.](https://appshunter.io/developer/393264828) | [中周 王](https://appshunter.io/developer/1611287450) |

## What reviewers say

### Polnav BT bridge

[App page](https://appshunter.io/ios/app/polnav-bt-bridge/id1546181174)

**In-app purchases:** none


### GPS Elevation · Pro Altimeter

[App page](https://appshunter.io/ios/app/gps-elevation-pro-altimeter/id6769224019)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GPS高度表 Pro | $0.99 | per month |
| GPS高度表 Pro | $1.99 | per year |
| GPS高度表 Pro | $2.99 | one-time |


## Frequently asked questions

### Is Polnav BT bridge free?

Polnav BT bridge is free to download, with no in-app purchases.

### Is GPS Elevation · Pro Altimeter free?

GPS Elevation · Pro Altimeter is free to download, with in-app purchases available.

### Do Polnav BT bridge or GPS Elevation · Pro Altimeter have ads?

Neither Polnav BT bridge nor GPS Elevation · Pro Altimeter shows ads.

### Which is updated more often, Polnav BT bridge or GPS Elevation · Pro Altimeter?

Polnav BT bridge ships an update every 2 months, and GPS Elevation · Pro Altimeter every 11 days. Most recently, Polnav BT bridge was updated on October 25, 2026 and GPS Elevation · Pro Altimeter on October 25, 2026.

---

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