# USTER® MOBILE ALERTS vs Cotton Global

The clearest difference is ads: Cotton Global at none against USTER® MOBILE ALERTS's shown. Cotton Global also leads on update cadence (every 4 days vs every 3 months). USTER® MOBILE ALERTS's advantage is iOS requirement (9.0 vs 15.6). On price, 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.

USTER® MOBILE ALERTS ships an update every 3 months, Cotton Global every 4 days. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | USTER® MOBILE ALERTS | Cotton Global |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 75 MB | 62 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Uster Technologies](https://appshunter.io/developer/1165406162) | [Tushar Sheth](https://appshunter.io/developer/1247993912) |

## What reviewers say

### USTER® MOBILE ALERTS

[App page](https://appshunter.io/ios/app/uster-mobile-alerts/id1189572369)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cotton Global

[App page](https://appshunter.io/ios/app/cotton-global/id6754166165)

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

**In-app purchases:** none


## Frequently asked questions

### Is USTER® MOBILE ALERTS free?

USTER® MOBILE ALERTS is free to download, with no in-app purchases.

### Is Cotton Global free?

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

### Do USTER® MOBILE ALERTS or Cotton Global have ads?

USTER® MOBILE ALERTS shows ads; Cotton Global does not.

### Which is updated more often, USTER® MOBILE ALERTS or Cotton Global?

USTER® MOBILE ALERTS ships an update every 3 months, and Cotton Global every 4 days. Most recently, USTER® MOBILE ALERTS was updated on November 2, 2026 and Cotton Global on October 30, 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.*