# System Activity Monitors vs Authenticator °

The clearest difference is rating: Authenticator ° at 4.8 against System Activity Monitors's 4.2. Authenticator ° also leads on update cadence (every 2 weeks vs every 3 months). System Activity Monitors's advantage is iOS requirement (13.0 vs 15.0). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. System Activity Monitors sells 4 in-app purchases, starting at $3.99 per 7 days and Authenticator ° sells 14 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Authenticator ° holds the better App Store score, 4.8 against 4.2. Both are backed by a comparable volume of ratings — 774 and 594 respectively. Written reviews split almost evenly too, at 76% and 77% positive.

System Activity Monitors ships an update every 3 months, Authenticator ° every 2 weeks. The most recent releases landed on October 1, 2026 and August 10, 2026 respectively.

## The numbers

| Metric | System Activity Monitors | Authenticator ° |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (774 ratings)](https://appshunter.io/ios/app/system-activity-monitors/id386118145/reviews) | **[4.8 (594 ratings)](https://appshunter.io/ios/app/authenticator/id6446651396/reviews)** |
| Number of ratings | **774** | 594 |
| Positive reviews | 76.0% of reviews | **76.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 28 MB | 55 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Tekton Technologies (P) Ltd.](https://appshunter.io/developer/343534621) | [Bence Kaposzta](https://appshunter.io/developer/1650069302) |

## What reviewers say

### System Activity Monitors

[App page](https://appshunter.io/ios/app/system-activity-monitors/id386118145)

Monitor your device's health with this comprehensive tool. Track memory, battery performance, storage, and network details. Get detailed camera information and helpful battery-saving tips to optimize your iPhone.

**Highlights:** Memory usage tracking, Battery performance monitoring, Device IP and hardware address, Battery saving tips, Used and free space indicator, Detailed camera information, System and hardware specs

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sysmon Pro | $3.99 | per 7 days |
| Sysmon Pro | $6.99 | per month |
| Sysmon Pro | $29.99 | per year |
| Real Time Graphs | $2.99 | one-time |

**What reviewers like**

- 💯 Excellent app
- 🎆 Great app
- 🔒 Respects privacy
- 🔋 Helpful battery tips
- 👍 Simple and straightforward

**What reviewers complain about**

- 🐛 Buggy updates
- 💰 Subscription-based model
- 🔒 Privacy concerns due to required login
- 🔍 Limited functionality for free version
- 🔍 Inaccurate device information

**Reported bugs**

- Crashes on certain devices
- Login/registration issues
- Incorrect memory/CPU usage reporting

**Requested features**

- Ability to close/manage running apps
- More detailed app-level usage breakdown
- Dark mode option
- Widgets for quick access
- Ability to reclaim memory/free up storage


### Authenticator °

[App page](https://appshunter.io/ios/app/authenticator/id6446651396)

This app enhances your online security by generating time-sensitive passwords for two-factor and multi-factor authentication. It offers seamless data synchronization across devices, Apple Watch support, and robust encryption for your sensitive information.

**Highlights:** One-Time Passwords (OTP), Seamless Data Synchronization, Apple Watch Support, End-to-End Encryption, Import/Export Encrypted Backups, Auto-Lock & Biometric Authentication

**Features:** macOS Compatibility

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Monthly | $9.99 | per month |
| Monthly | $9.99 | per month |
| 3 Month | $12.99 | per 3 months |
| 1 Year, 50% off | $19.99 | per year |
| 1 Year Discounted | $22.99 | per year |
| 1 Year, 30% off | $27.99 | per year |
| 1 Year with initial offer | $34.99 | per year |
| Annual subscription | $39.99 | per year |
| 1 Year | $39.99 | per year |
| 1 Year | $39.99 | per year |
| Free Lifetime subscription | Free | one-time |
| Lifetime, intro offer | $0.29 | one-time |
| Lifetime | $59.99 | one-time |

**What reviewers like**

- 👍 Easy to install and use
- 🔒 Secure password management
- 🚀 Efficient and fast
- 👍 Great user interface
- 🔒 Robust security features

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔒 Concerns about cloud storage security
- 🤔 Forced 5-star review before use
- 🤔 Unclear or confusing onboarding process

**Reported bugs**

- List of saved sites/accounts disappearing
- Trouble logging in or resetting password
- Incompatibility with older devices

**Requested features**

- Allow renaming of accounts
- Add pop-up notifications like other authenticators
- Improve sync with desktop/laptop
- Provide more theme/customization options


## Frequently asked questions

### Is System Activity Monitors free?

System Activity Monitors is free to download, with in-app purchases available.

### Is Authenticator ° free?

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

### Which has better reviews, System Activity Monitors or Authenticator °?

Authenticator ° is rated higher. System Activity Monitors averages 4.2 out of 5 from 774 ratings, while Authenticator ° averages 4.8 from 594 ratings.

### Do System Activity Monitors or Authenticator ° have ads?

Neither System Activity Monitors nor Authenticator ° shows ads.

### Which is updated more often, System Activity Monitors or Authenticator °?

System Activity Monitors ships an update every 3 months, and Authenticator ° every 2 weeks. Most recently, System Activity Monitors was updated on October 1, 2026 and Authenticator ° on August 10, 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.*