# Bitwarden Authenticator vs NagMon

The clearest difference is rating: NagMon at 4.1 against Bitwarden Authenticator's 3.5. NagMon also leads on review sentiment (50% vs 41%). Bitwarden Authenticator's advantage is ratings volume (97 vs 7) and update cadence (fortnightly vs every 5 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NagMon holds the better App Store score, 4.1 against 3.5. That said, the two scores are not equally well evidenced: Bitwarden Authenticator has 97 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 41% of Bitwarden Authenticator's written reviews are positive against 50% of NagMon's.

Bitwarden Authenticator ships an update fortnightly, NagMon every 5 weeks. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Bitwarden Authenticator | NagMon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (97 ratings)](https://appshunter.io/ios/app/bitwarden-authenticator/id6497335175/reviews) | **[4.1 (7 ratings)](https://appshunter.io/ios/app/nagmon-client-for-nagios/id6749477345/reviews)** |
| Number of ratings | **97** | 7 |
| Positive reviews | 40.8% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 76 MB | 5 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bitwarden Inc](https://appshunter.io/developer/1137397743) | [Richard Vetter](https://appshunter.io/developer/1760073569) |

## What reviewers say

### Bitwarden Authenticator

[App page](https://appshunter.io/ios/app/bitwarden-authenticator/id6497335175)

Generate time-based one-time passwords for two-factor authentication on any website or application. This tool provides an extra layer of security for your accounts, ensuring your identity is verified and sensitive data remains protected from unauthorized access.

**Highlights:** Generates 2FA verification codes, Supports TOTP for universal compatibility, Simple and intuitive interface, Adds an extra layer of protection, Backed by a trusted company

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

**In-app purchases:** none

**What reviewers like**

- 👍 Good start
- 🚀 Supports export and import
- 🔒 Backed by a trusted company
- 💡 Dedicated authenticator app

**What reviewers complain about**

- 🐛 Crashes on launch
- 🐛 Search function not working
- 🐛 Backup not working as expected
- 🐛 Compatibility issues with older devices

**Reported bugs**

- Search results showing placeholder codes
- Backup not restoring codes after device restore
- Crashes after app updates

**Requested features**

- Add icons for services
- Allow rearranging of entries
- Implement iCloud/cloud sync
- Add Apple Watch support
- Require biometric authentication on each app open


### NagMon

[App page](https://appshunter.io/ios/app/nagmon-client-for-nagios/id6749477345)

This app provides real-time monitoring of your IT infrastructure via Nagios. It offers instant alerts, intuitive filtering, and a mobile-optimized dashboard for quick issue resolution on the go. Designed for speed, security, and privacy, it keeps you informed about your network's health.

**Highlights:** Real-time Nagios data, Instant alerts, Intuitive filtering, Mobile-optimized dashboard, Host and service monitoring, Privacy-focused design

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

**In-app purchases:** none


## Frequently asked questions

### Is Bitwarden Authenticator free?

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

### Is NagMon free?

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

### Which has better reviews, Bitwarden Authenticator or NagMon?

NagMon is rated higher. Bitwarden Authenticator averages 3.5 out of 5 from 97 ratings, while NagMon averages 4.1 from 7 ratings.

### Do Bitwarden Authenticator or NagMon have ads?

Neither Bitwarden Authenticator nor NagMon shows ads.

### Which is updated more often, Bitwarden Authenticator or NagMon?

Bitwarden Authenticator ships an update fortnightly, and NagMon every 5 weeks. Most recently, Bitwarden Authenticator was updated on November 12, 2026 and NagMon on November 5, 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.*