# System Activity Monitors vs Vistacker

The clearest difference is in-app purchases: Vistacker at none against System Activity Monitors's 4. Vistacker also leads on update cadence (fortnightly vs every 3 months). System Activity Monitors's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price 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. Vistacker asks for nothing beyond the download.

System Activity Monitors ships an update every 3 months, Vistacker fortnightly. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | System Activity Monitors | Vistacker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (778 ratings)](https://appshunter.io/ios/app/system-activity-monitors/id386118145/reviews)** | — |
| Number of ratings | **778** | — |
| Positive reviews | 76.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 15 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tekton Technologies (P) Ltd.](https://appshunter.io/developer/343534621) | [Cyrush LLC](https://appshunter.io/developer/778336644) |

## 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


### Vistacker

[App page](https://appshunter.io/ios/app/vistacker/id6762566879)

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

**In-app purchases:** none


## Frequently asked questions

### Is System Activity Monitors free?

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

### Is Vistacker free?

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

### Do System Activity Monitors or Vistacker have ads?

Neither System Activity Monitors nor Vistacker shows ads.

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

System Activity Monitors ships an update every 3 months, and Vistacker fortnightly. Most recently, System Activity Monitors was updated on November 6, 2026 and Vistacker 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.*