# SAT Tracking vs E

The clearest difference is update cadence: E at every 3 weeks 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, E every 3 weeks. The most recent releases landed on September 15, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | SAT Tracking | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 3 weeks** |
| Size | 1 MB | 32 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Mamadou Hady Diallo](https://appshunter.io/developer/1607703346) | [CEDI Guinee](https://appshunter.io/developer/1859429124) |

## What reviewers say

### SAT Tracking

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

**Features:** macOS Compatibility

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-visa-bgda/id6756845140)

**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 E free?

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

### Do SAT Tracking or E have ads?

Neither SAT Tracking nor E shows ads.

### Which is updated more often, SAT Tracking or E?

SAT Tracking ships an update every 41 months, and E every 3 weeks. Most recently, SAT Tracking was updated on September 15, 2026 and E on September 12, 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.*