# SAT Tracking vs 13xpress

The clearest difference is update cadence: 13xpress at every 2 days against SAT Tracking's every 41 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.

SAT Tracking ships an update every 41 months, 13xpress every 2 days. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SAT Tracking | 13xpress |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 2 days** |
| Size | 1 MB | 86 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Mamadou Hady Diallo](https://appshunter.io/developer/1607703346) | [Yves AMANGOUA](https://appshunter.io/developer/1668356709) |

## What reviewers say

### SAT Tracking

[App page](https://appshunter.io/ios/app/sat-tracking/id1609289917)

**Features:** macOS Compatibility

**In-app purchases:** none


### 13xpress

[App page](https://appshunter.io/ios/app/13xpress/id6753896813)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SAT Tracking free?

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

### Is 13xpress free?

13xpress is free to download, with no in-app purchases.

### Do SAT Tracking or 13xpress have ads?

Neither SAT Tracking nor 13xpress shows ads.

### Which is updated more often, SAT Tracking or 13xpress?

SAT Tracking ships an update every 41 months, and 13xpress every 2 days. Most recently, SAT Tracking was updated on October 2, 2026 and 13xpress on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*