# Satlock App vs ztatracker

The clearest difference is device support: Satlock App at 3 against ztatracker's —. On price, in-app purchases and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Satlock App | ztatracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 7 months | — |
| Size | 43 MB | 19 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Ultra S.A](https://appshunter.io/developer/1098776945) | [AQUILINO MARTINEZ DUARTE](https://appshunter.io/developer/1538699639) |

## What reviewers say

### Satlock App

[App page](https://appshunter.io/ios/app/satlock-app/id1603669893)

**Features:** macOS Compatibility

**In-app purchases:** none


### ztatracker

[App page](https://appshunter.io/ios/app/ztatracker-bad/id6476234708)

**In-app purchases:** none


## Frequently asked questions

### Is Satlock App free?

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

### Is ztatracker free?

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

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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.*