# Know My Water Pro vs Authenticator App ·

The clearest difference is in-app purchases: Know My Water Pro at none against Authenticator App ·'s 3. Know My Water Pro also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). Authenticator App ·'s advantage is update cadence (every 9 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Authenticator App · sells 3 in-app purchases, starting at $4.99 per 7 days. Know My Water Pro asks for nothing beyond the download.

Know My Water Pro ships an update every 2 months, Authenticator App · every 9 days. The most recent releases landed on November 3, 2026 and November 14, 2026 respectively.

## The numbers

| Metric | Know My Water Pro | Authenticator App · |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (79 ratings)](https://appshunter.io/ios/app/authenticator-app/id6461600756/reviews)** |
| Number of ratings | — | **79** |
| Positive reviews | — | 95.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 26 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Know My Well, LLC](https://appshunter.io/developer/1582657666) | [Netsis Mobile FZCO](https://appshunter.io/developer/1625553533) |

## What reviewers say

### Know My Water Pro

[App page](https://appshunter.io/ios/app/know-my-water-pro/id6451447960)

**Features:** macOS Compatibility

**In-app purchases:** none


### Authenticator App ·

[App page](https://appshunter.io/ios/app/authenticator-app/id6461600756)

This app generates and securely stores two-factor authentication codes for your online accounts. It offers robust protection with encrypted data, seamless device synchronization, and quick access via widgets and Apple Watch. Enjoy offline code generation and a private browser for enhanced security.

**Highlights:** Generate 2FA codes, Securely store codes, Device synchronization, Quick access widget, Apple Watch support, Offline code generation, Private browser

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Version | $4.99 | per 7 days |
| Premium Version | $9.99 | per month |
| Premium Version | $49.99 | per year |

**What reviewers like**

- 🚀 Seamless device synchronization
- 🔒 Robust security features
- 👍 Intuitive and straightforward user interface
- 🔒 Comprehensive two-factor authentication options
- 🚀 Convenient offline code generation

**What reviewers complain about**

- 🔧 Could use more customization options for the widget
- 🔧 Needs a better offline mode
- 🔧 Private browser feature needs more functionality

**Reported bugs**

- Login screen freezes
- Incompatible with older devices

**Requested features**

- Dark mode option
- Advanced analytics dashboard


## Frequently asked questions

### Is Know My Water Pro free?

Know My Water Pro is free to download, with no in-app purchases.

### Is Authenticator App · free?

Authenticator App · is free to download, with in-app purchases available.

### Do Know My Water Pro or Authenticator App · have ads?

Authenticator App · shows ads; Know My Water Pro does not.

### Which is updated more often, Know My Water Pro or Authenticator App ·?

Know My Water Pro ships an update every 2 months, and Authenticator App · every 9 days. Most recently, Know My Water Pro was updated on November 3, 2026 and Authenticator App · on November 14, 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.*