# USTER® MOBILE ALERTS vs VCA Cotton

The clearest difference is ads: VCA Cotton at none against USTER® MOBILE ALERTS's shown. VCA Cotton also leads on update cadence (every 9 days vs every 3 months). USTER® MOBILE ALERTS's advantage is iOS requirement (9.0 vs 16.4). 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, VCA Cotton every 9 days. The most recent releases landed on October 16, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | USTER® MOBILE ALERTS | VCA Cotton |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 9 days** |
| Size | 75 MB | 57 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Uster Technologies](https://appshunter.io/developer/1165406162) | [Shubank Jain](https://appshunter.io/developer/1357066494) |

## What reviewers say

### USTER® MOBILE ALERTS

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

**Features:** macOS Compatibility

**In-app purchases:** none


### VCA Cotton

[App page](https://appshunter.io/ios/app/vca-cotton/id6806922719)

**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 VCA Cotton free?

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

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

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

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

USTER® MOBILE ALERTS ships an update every 3 months, and VCA Cotton every 9 days. Most recently, USTER® MOBILE ALERTS was updated on October 16, 2026 and VCA Cotton on October 26, 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.*