# Netdata Mobile vs Thetis Authenticator

The clearest difference is review sentiment: Thetis Authenticator at 60% against Netdata Mobile's 9%. Thetis Authenticator also leads on rating (3.5 vs 1.2) and iOS requirement (13.0 vs 16.0). Netdata Mobile's advantage is update cadence (every 6 weeks vs every 9 months) and ratings volume (18 vs 4). 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.

Thetis Authenticator holds the better App Store score, 3.5 against 1.2. Both are backed by a comparable volume of ratings — 18 and 4 respectively. Written reviews point the same way: 9% of Netdata Mobile's written reviews are positive against 60% of Thetis Authenticator's.

Netdata Mobile ships an update every 6 weeks, Thetis Authenticator every 9 months. The most recent releases landed on August 25, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Netdata Mobile | Thetis Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.2 (18 ratings)](https://appshunter.io/ios/app/netdata-mobile/id6474659622/reviews) | **[3.5 (4 ratings)](https://appshunter.io/ios/app/thetis-authenticator/id6648759010/reviews)** |
| Number of ratings | **18** | 4 |
| Positive reviews | 8.7% of reviews | **60.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 9 months |
| Monetization | Free | Free |
| Size | 37 MB | 3 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Netdata, Inc](https://appshunter.io/developer/1722216978) | [Razzo Tech Corporation](https://appshunter.io/developer/1566501237) |

## What reviewers say

### Netdata Mobile

[App page](https://appshunter.io/ios/app/netdata-mobile/id6474659622)

Receive and manage real-time alerts and notifications for your infrastructure monitoring. Gain immediate insights into system performance and troubleshoot issues on the fly with comprehensive data visualization and anomaly detection.

**Highlights:** Real-time alerts and notifications, Infrastructure monitoring, On-the-fly troubleshooting, Anomaly detection, Comprehensive data visualization, Logs explorer

**In-app purchases:** none


### Thetis Authenticator

[App page](https://appshunter.io/ios/app/thetis-authenticator/id6648759010)

Manage your FIDO2 security keys for passwordless login and two-factor authentication. Supports NFC and Type-C connections for seamless integration across devices. Offers one-time password management for services not yet supporting FIDO2.

**Highlights:** FIDO2 passwordless login, Enhanced two-factor authentication, One-time password management, Optimized for iPad, NFC and Type-C compatibility, Cross-platform support, Phishing-resistant authentication

**In-app purchases:** none


## Frequently asked questions

### Is Netdata Mobile free?

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

### Is Thetis Authenticator free?

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

### Which has better reviews, Netdata Mobile or Thetis Authenticator?

Thetis Authenticator is rated higher. Netdata Mobile averages 1.2 out of 5 from 18 ratings, while Thetis Authenticator averages 3.5 from 4 ratings.

### Do Netdata Mobile or Thetis Authenticator have ads?

Neither Netdata Mobile nor Thetis Authenticator shows ads.

### Which is updated more often, Netdata Mobile or Thetis Authenticator?

Netdata Mobile ships an update every 6 weeks, and Thetis Authenticator every 9 months. Most recently, Netdata Mobile was updated on August 25, 2026 and Thetis Authenticator on June 1, 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.*