# Logon Invoice vs MSDSL Control Tower

The clearest difference is update cadence: MSDSL Control Tower at fortnightly against Logon Invoice's every 34 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.

Logon Invoice ships an update every 34 months, MSDSL Control Tower fortnightly. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Logon Invoice | MSDSL Control Tower |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | **Fortnightly** |
| Size | 38 MB | 23 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Yohanes Klu](https://appshunter.io/developer/1639420279) | [Mediasoft Data Systems Limited](https://appshunter.io/developer/1668640780) |

## What reviewers say

### Logon Invoice

[App page](https://appshunter.io/ios/app/logon-invoice/id1639420277)

**Features:** macOS Compatibility

**In-app purchases:** none


### MSDSL Control Tower

[App page](https://appshunter.io/ios/app/msdsl-control-tower/id6751023367)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Logon Invoice free?

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

### Is MSDSL Control Tower free?

MSDSL Control Tower is free to download, with no in-app purchases.

### Do Logon Invoice or MSDSL Control Tower have ads?

Neither Logon Invoice nor MSDSL Control Tower shows ads.

### Which is updated more often, Logon Invoice or MSDSL Control Tower?

Logon Invoice ships an update every 34 months, and MSDSL Control Tower fortnightly. Most recently, Logon Invoice was updated on October 1, 2026 and MSDSL Control Tower on October 8, 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.*