# GPS Tracker vs BlueDen

The clearest difference is ads: GPS Tracker at none against BlueDen's shown. GPS Tracker also leads on iOS requirement (8.0 vs 15.1). BlueDen's advantage is update cadence (weekly vs every 10 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GPS Tracker ships an update every 10 months, BlueDen weekly. The most recent releases landed on October 26, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | GPS Tracker | BlueDen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Weekly** |
| Size | 2 MB | 67 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TechMade](https://appshunter.io/developer/1065477430) | [Naoki Hasegawa](https://appshunter.io/developer/6772061389) |

## What reviewers say

### GPS Tracker

[App page](https://appshunter.io/ios/app/gps-tracker/id1093080211)

**Features:** macOS Compatibility

**In-app purchases:** none


### BlueDen

[App page](https://appshunter.io/ios/app/blueden-ocean-aquarium/id6772455459)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GPS Tracker free?

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

### Is BlueDen free?

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

### Do GPS Tracker or BlueDen have ads?

BlueDen shows ads; GPS Tracker does not.

### Which is updated more often, GPS Tracker or BlueDen?

GPS Tracker ships an update every 10 months, and BlueDen weekly. Most recently, GPS Tracker was updated on October 26, 2026 and BlueDen on November 5, 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.*