# Brand Authentication vs Wattstopperi3

The clearest difference is update cadence: Wattstopperi3 at every 4 weeks against Brand Authentication's every 3 months. Brand Authentication's advantage is iOS requirement (13.0 vs 15.6). 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.

Brand Authentication ships an update every 3 months, Wattstopperi3 every 4 weeks. The most recent releases landed on October 14, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Brand Authentication | Wattstopperi3 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Size | 23 MB | 81 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Honeywell International, Inc.](https://appshunter.io/developer/311222963) | [THE WATT STOPPER, INC.](https://appshunter.io/developer/1188479609) |

## What reviewers say

### Brand Authentication

[App page](https://appshunter.io/ios/app/brand-authentication/id1393068027)

**In-app purchases:** none


### Wattstopperi3

[App page](https://appshunter.io/ios/app/wattstopperi3/id6745227707)

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

**In-app purchases:** none


## Frequently asked questions

### Is Brand Authentication free?

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

### Is Wattstopperi3 free?

Wattstopperi3 is free to download, with no in-app purchases.

### Do Brand Authentication or Wattstopperi3 have ads?

Neither Brand Authentication nor Wattstopperi3 shows ads.

### Which is updated more often, Brand Authentication or Wattstopperi3?

Brand Authentication ships an update every 3 months, and Wattstopperi3 every 4 weeks. Most recently, Brand Authentication was updated on October 14, 2026 and Wattstopperi3 on October 28, 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.*