# Alfredo Backer vs UNC Well Aware

The clearest difference is update cadence: UNC Well Aware at fortnightly against Alfredo Backer's every 8 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.

Alfredo Backer ships an update every 8 months, UNC Well Aware fortnightly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Alfredo Backer | UNC Well Aware |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/unc-well-aware/id1582671776/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 55 MB | 26 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Externato Alfredo Backer Ltda](https://appshunter.io/developer/1535072495) | [University of North Carolina at Chapel Hill](https://appshunter.io/developer/924947571) |

## What reviewers say

### Alfredo Backer

[App page](https://appshunter.io/ios/app/alfredo-backer/id1212354980)

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

**In-app purchases:** none


### UNC Well Aware

[App page](https://appshunter.io/ios/app/unc-well-aware/id1582671776)

This app empowers well owners to test their water for lead, microbial, and arsenic contamination using at-home kits. It utilizes machine learning and color analysis to interpret test results and provides connections to local resources for further action.

**Highlights:** At-home water testing, Lead, microbe, and arsenic detection, AI-powered result analysis, Connect to local resources, Water test history, Citizen science participation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Alfredo Backer free?

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

### Is UNC Well Aware free?

UNC Well Aware is free to download, with no in-app purchases.

### Do Alfredo Backer or UNC Well Aware have ads?

Neither Alfredo Backer nor UNC Well Aware shows ads.

### Which is updated more often, Alfredo Backer or UNC Well Aware?

Alfredo Backer ships an update every 8 months, and UNC Well Aware fortnightly. Most recently, Alfredo Backer was updated on November 2, 2026 and UNC Well Aware on November 3, 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.*