# System Activity Monitors vs Hatch Vet Expert

The clearest difference is in-app purchases: Hatch Vet Expert at none against System Activity Monitors's 4. Hatch Vet Expert also leads on iOS requirement (9.0 vs 13.0). On price, update cadence, ads and device support 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. Hatch Vet Expert asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 6, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | System Activity Monitors | Hatch Vet Expert |
| --- | --- | --- |
| 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 | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 195 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tekton Technologies (P) Ltd.](https://appshunter.io/developer/343534621) | [Altitude Cherbourg](https://appshunter.io/developer/512464175) |

## 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


### Hatch Vet Expert

[App page](https://appshunter.io/ios/app/hatch-vet-expert/id6739141120)

**Features:** macOS Compatibility

**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 Hatch Vet Expert free?

Hatch Vet Expert is free to download, with no in-app purchases.

### Do System Activity Monitors or Hatch Vet Expert have ads?

Neither System Activity Monitors nor Hatch Vet Expert shows ads.

### Which is updated more often, System Activity Monitors or Hatch Vet Expert?

System Activity Monitors ships an update every 3 months, and Hatch Vet Expert every 3 months. Most recently, System Activity Monitors was updated on November 6, 2026 and Hatch Vet Expert on October 28, 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.*