# PROXIMITY® vs Powder Watts

The clearest difference is in-app purchases: Powder Watts at none against PROXIMITY®'s 2. Powder Watts also leads on iOS requirement (15.1 vs 18.6). PROXIMITY®'s advantage is review sentiment (100% vs 79%) and rating (4.7 vs 4.5). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. PROXIMITY® sells 2 in-app purchases, starting at $2.99 per month. Powder Watts asks for nothing beyond the download.

PROXIMITY® holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 40 and 16 respectively. Written reviews point the same way: 100% of PROXIMITY®'s written reviews are positive against 79% of Powder Watts's.

PROXIMITY® ships an update every 4 weeks, Powder Watts every 3 weeks. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PROXIMITY® | Powder Watts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (40 ratings)](https://appshunter.io/ios/app/proximity/id1438533692/reviews)** | [4.5 (16 ratings)](https://appshunter.io/ios/app/powder-watts/id1608052817/reviews) |
| Number of ratings | **40** | 16 |
| Positive reviews | **100.0% of reviews** | 78.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 77 MB | 39 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PIV Security LLC](https://appshunter.io/developer/1309618168) | [Powder Watts](https://appshunter.io/developer/1608052819) |

## What reviewers say

### PROXIMITY®

[App page](https://appshunter.io/ios/app/proximity/id1438533692)

This app securely stores and manages your passwords and authenticator codes using zero-knowledge encryption. It offers a unique peer-to-peer recovery system, eliminating the need for master passwords or recovery keys. Securely share sensitive information with trusted contacts.

**Highlights:** Zero-knowledge password management, Peer Identity Verification recovery, Built-in TOTP authenticator, Secure password generation, AutoFill and browser extensions, Secure data sharing

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | per month |
| Premium Annual | $24.99 | per year |


### Powder Watts

[App page](https://appshunter.io/ios/app/powder-watts/id1608052817)

This app uses patented smart camera technology to monitor and control roof heat cables, preventing unnecessary energy use and potential damage. It leverages computer vision and thermal imagery to activate cables only when needed, saving money and reducing environmental impact.

**Highlights:** Patented smart camera monitoring, Heat cable usage control, Winter condition risk detection, Energy cost savings, Environmental impact reduction, Computer vision technology

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is PROXIMITY® free?

PROXIMITY® is free to download, with in-app purchases available.

### Is Powder Watts free?

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

### Which has better reviews, PROXIMITY® or Powder Watts?

PROXIMITY® is rated higher. PROXIMITY® averages 4.7 out of 5 from 40 ratings, while Powder Watts averages 4.5 from 16 ratings.

### Do PROXIMITY® or Powder Watts have ads?

Neither PROXIMITY® nor Powder Watts shows ads.

### Which is updated more often, PROXIMITY® or Powder Watts?

PROXIMITY® ships an update every 4 weeks, and Powder Watts every 3 weeks. Most recently, PROXIMITY® was updated on October 22, 2026 and Powder Watts on October 24, 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.*