# Apollo Sat vs ZD Contagem

The clearest difference is update cadence: Apollo Sat at every 2 months against ZD Contagem's every 7 months. ZD Contagem's advantage is iOS requirement (12.0 vs 15.0). 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.

Apollo Sat ships an update every 2 months, ZD Contagem every 7 months. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Apollo Sat | ZD Contagem |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Size | 82 MB | 27 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Willian Silva](https://appshunter.io/developer/1709821372) | [Zero Dezoito Sistemas](https://appshunter.io/developer/1612869273) |

## What reviewers say

### Apollo Sat

[App page](https://appshunter.io/ios/app/apollo-sat/id6476632860)

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

**In-app purchases:** none


### ZD Contagem

[App page](https://appshunter.io/ios/app/zd-contagem/id6748156698)

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

**In-app purchases:** none


## Frequently asked questions

### Is Apollo Sat free?

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

### Is ZD Contagem free?

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

### Do Apollo Sat or ZD Contagem have ads?

Neither Apollo Sat nor ZD Contagem shows ads.

### Which is updated more often, Apollo Sat or ZD Contagem?

Apollo Sat ships an update every 2 months, and ZD Contagem every 7 months. Most recently, Apollo Sat was updated on October 27, 2026 and ZD Contagem 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.*