# 2FA Authenticator vs Pool Water Level Up

The clearest difference is rating: Pool Water Level Up at 5.0 against 2FA Authenticator's 4.5. Pool Water Level Up also leads on in-app purchases (none vs 5) and ads (none vs shown). 2FA Authenticator's advantage is ratings volume (165 vs 3). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 2FA Authenticator sells 5 in-app purchases, starting at $9.99 per 7 days. Pool Water Level Up asks for nothing beyond the download.

Pool Water Level Up holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: 2FA Authenticator has 165 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 75% of 2FA Authenticator's written reviews are positive against 100% of Pool Water Level Up's.

2FA Authenticator ships an update every 6 weeks, Pool Water Level Up every 9 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 2FA Authenticator | Pool Water Level Up |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (165 ratings)](https://appshunter.io/ios/app/2fa-authenticator-otp-codes/id6470339286/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pool-water-level-up/id6755830454/reviews)** |
| Number of ratings | **165** | 3 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 71 MB | 110 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [AdSpark OU](https://appshunter.io/developer/1786861499) | [cpTel LLC](https://appshunter.io/developer/1856614299) |

## What reviewers say

### 2FA Authenticator

[App page](https://appshunter.io/ios/app/2fa-authenticator-otp-codes/id6470339286)

Secure your online accounts with this app that generates and stores two-factor authentication codes. Easily scan QR codes for setup and benefit from offline functionality and iCloud backup. Protect your digital identity with robust security features.

**Highlights:** Generate 2FA/MFA tokens, Scan QR codes for setup, iCloud backup and sync, Passcode protection, Offline functionality, Support for 1000+ services

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $9.99 | per 7 days |
| Premium Monthly | $9.99 | per month |
| Premium Yearly Offer | $19.99 | per year |
| Premium Yearly Trial | $39.99 | per year |
| Premium Yearly | $39.99 | per year |


### Pool Water Level Up

[App page](https://appshunter.io/ios/app/pool-water-level-up/id6755830454)

This app automatically maintains your pool's water level, preventing it from running too low. It uses a digital sensor and cellular communication to monitor and refill your pool precisely, with remote access and alerts via the app.

**Highlights:** Automatic water level maintenance, Digital water level sensor, Cellular communication (no Wi-Fi needed), Remote monitoring via app, Customizable water level set point, Leak detection alerts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 2FA Authenticator free?

2FA Authenticator is free to download, with in-app purchases available.

### Is Pool Water Level Up free?

Pool Water Level Up is free to download, with no in-app purchases.

### Which has better reviews, 2FA Authenticator or Pool Water Level Up?

Pool Water Level Up is rated higher. 2FA Authenticator averages 4.5 out of 5 from 165 ratings, while Pool Water Level Up averages 5.0 from 3 ratings.

### Do 2FA Authenticator or Pool Water Level Up have ads?

2FA Authenticator shows ads; Pool Water Level Up does not.

### Which is updated more often, 2FA Authenticator or Pool Water Level Up?

2FA Authenticator ships an update every 6 weeks, and Pool Water Level Up every 9 days. Most recently, 2FA Authenticator was updated on October 27, 2026 and Pool Water Level Up on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*