# System Activity Monitors vs PowerBoost

The clearest difference is review sentiment: System Activity Monitors at 76% against PowerBoost's 50%. System Activity Monitors also leads on iOS requirement (13.0 vs 15.6). On price, update cadence, ads and in-app purchases 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 PowerBoost sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

System Activity Monitors ships an update every 3 months, PowerBoost every 2 months. The most recent releases landed on October 29, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | System Activity Monitors | PowerBoost |
| --- | --- | --- |
| 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** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 28 MB | 28 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tekton Technologies (P) Ltd.](https://appshunter.io/developer/343534621) | [Duc Lai](https://appshunter.io/developer/1763002953) |

## 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


### PowerBoost

[App page](https://appshunter.io/ios/app/powerboost-battery-saver-pro/id6547845173)

Extend your device's battery life and enhance performance with smart optimization tools. Monitor battery health, manage power consumption, and identify high-drain apps for a smoother, longer-lasting experience. Enjoy advanced diagnostics and custom power modes.

**Highlights:** Extend battery life, Accelerate performance, Monitor battery health, Smart battery saver, App usage tracker, Custom power modes, Advanced diagnostics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Power Boost Pro: Premium | $4.99 | one-time |


## Frequently asked questions

### Is System Activity Monitors free?

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

### Is PowerBoost free?

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

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

Neither System Activity Monitors nor PowerBoost shows ads.

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

System Activity Monitors ships an update every 3 months, and PowerBoost every 2 months. Most recently, System Activity Monitors was updated on October 29, 2026 and PowerBoost on October 9, 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.*