# U.S. Messenger Mobile vs MSR Mail Tracker

The clearest difference is update cadence: MSR Mail Tracker at every 3 months against U.S. Messenger Mobile's every 64 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.

U.S. Messenger Mobile ships an update every 64 months, MSR Mail Tracker every 3 months. The most recent releases landed on August 17, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | U.S. Messenger Mobile | MSR Mail Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 64 months | **Every 3 months** |
| Size | 770 MB | 21 MB |
| Requires iOS | 12.2 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [U.S. Messenger & Logistics, Inc.](https://appshunter.io/developer/1564815270) | [TRACKEX LLC](https://appshunter.io/developer/1492982032) |

## What reviewers say

### U.S. Messenger Mobile

[App page](https://appshunter.io/ios/app/us-messenger-mobile/id1564815268)

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

**In-app purchases:** none


### MSR Mail Tracker

[App page](https://appshunter.io/ios/app/msr-mail-tracker/id6449599992)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is U.S. Messenger Mobile free?

U.S. Messenger Mobile is free to download, with no in-app purchases.

### Is MSR Mail Tracker free?

MSR Mail Tracker is free to download, with no in-app purchases.

### Do U.S. Messenger Mobile or MSR Mail Tracker have ads?

Neither U.S. Messenger Mobile nor MSR Mail Tracker shows ads.

### Which is updated more often, U.S. Messenger Mobile or MSR Mail Tracker?

U.S. Messenger Mobile ships an update every 64 months, and MSR Mail Tracker every 3 months. Most recently, U.S. Messenger Mobile was updated on August 17, 2026 and MSR Mail Tracker on September 6, 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.*