# USMobile vs A2O

The clearest difference is rating: USMobile at 5.0 against A2O's 2.0. USMobile also leads on update cadence (every 3 months vs every 11 months) and iOS requirement (11.0 vs 13.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

USMobile holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

USMobile ships an update every 3 months, A2O every 11 months. Both last shipped on October 5, 2026.

## The numbers

| Metric | USMobile | A2O |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/usmobile/id1117385870/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/a2o/id6443875849/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 11 months |
| Monetization | Free | Free |
| Size | 44 MB | 188 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [TroBit B.V.](https://appshunter.io/developer/1087851809) | [Aquaporin](https://appshunter.io/developer/1573920954) |

## What reviewers say

### USMobile

[App page](https://appshunter.io/ios/app/usmobile/id1117385870)

Access and manage limited funeral home management data from your phone or tablet. This utility app allows for on-the-go access to essential information.

**Highlights:** Limited data access, Mobile management, Phone and tablet support, Funeral home data

**Features:** macOS Compatibility

**In-app purchases:** none


### A2O

[App page](https://appshunter.io/ios/app/a2o/id6443875849)

Manage your water purifier from your smartphone, track real-time water usage, and receive timely filter change reminders. Access product manuals and helpful water information.

**Highlights:** Connect and manage water purifier, Track real-time water usage, Filter change reminders, Maintenance guidance, Access product manuals, View purification effectiveness

**In-app purchases:** none


## Frequently asked questions

### Is USMobile free?

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

### Is A2O free?

A2O is free to download, with no in-app purchases.

### Which has better reviews, USMobile or A2O?

USMobile is rated higher. USMobile averages 5.0 out of 5 from 1 ratings, while A2O averages 2.0 from 1 ratings.

### Do USMobile or A2O have ads?

Neither USMobile nor A2O shows ads.

### Which is updated more often, USMobile or A2O?

USMobile ships an update every 3 months, and A2O every 11 months. Most recently, USMobile was updated on October 5, 2026 and A2O on October 5, 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.*