# Zeek GPS vs Blac

The clearest difference is update cadence: Blac at monthly against Zeek GPS's every 5 months. Zeek GPS's advantage is iOS requirement (15.0 vs 18.6). On price, ads, 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.

Zeek GPS ships an update every 5 months, Blac monthly. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Zeek GPS | Blac |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Size | 89 MB | 66 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Argus Tecnologias](https://appshunter.io/developer/1250737615) | [Blacsol Enterprises LLC](https://appshunter.io/developer/1465585693) |

## What reviewers say

### Zeek GPS

[App page](https://appshunter.io/ios/app/zeek-gps/id1434715553)

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

**In-app purchases:** none


### Blac

[App page](https://appshunter.io/ios/app/blac/id6448852628)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Zeek GPS free?

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

### Is Blac free?

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

### Do Zeek GPS or Blac have ads?

Neither Zeek GPS nor Blac shows ads.

### Which is updated more often, Zeek GPS or Blac?

Zeek GPS ships an update every 5 months, and Blac monthly. Most recently, Zeek GPS was updated on October 29, 2026 and Blac on October 27, 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.*