# SATNAC Events vs ATAF

The clearest difference is update cadence: SATNAC Events at every 10 days against ATAF's every 7 months. 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.

SATNAC Events ships an update every 10 days, ATAF every 7 months. Both last shipped on October 7, 2026.

## The numbers

| Metric | SATNAC Events | ATAF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 7 months |
| Size | 59 MB | 64 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Innovative Research & Events](https://appshunter.io/developer/1694969236) | [APP YOUR EVENT LTD](https://appshunter.io/developer/1499398547) |

## What reviewers say

### SATNAC Events

[App page](https://appshunter.io/ios/app/satnac-events/id6450792906)

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

**In-app purchases:** none


### ATAF

[App page](https://appshunter.io/ios/app/ataf/id6738142591)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SATNAC Events free?

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

### Is ATAF free?

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

### Do SATNAC Events or ATAF have ads?

Neither SATNAC Events nor ATAF shows ads.

### Which is updated more often, SATNAC Events or ATAF?

SATNAC Events ships an update every 10 days, and ATAF every 7 months. Most recently, SATNAC Events was updated on October 7, 2026 and ATAF on October 7, 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.*