# Phone Doctor AI vs System Scope

The clearest difference is in-app purchases: System Scope at none against Phone Doctor AI's 1. System Scope also leads on update cadence (monthly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Phone Doctor AI sells 1 one-off in-app purchase. System Scope asks for nothing beyond the download.

Phone Doctor AI ships an update every 4 months, System Scope monthly. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Phone Doctor AI | System Scope |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | — | Freemium |
| Size | 4 MB | 4 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Daisuke Iwamoto](https://appshunter.io/developer/6779030911) | [kensuke ueda](https://appshunter.io/developer/961845390) |

## What reviewers say

### Phone Doctor AI

[App page](https://appshunter.io/ios/app/phone-doctor-ai/id6791068463)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Phone Doctor AI Pro | $2.99 | one-time |


### System Scope

[App page](https://appshunter.io/ios/app/system-scope-cpu-and-memory/id6791599703)

Monitor your iPhone's real-time system status, including CPU and memory usage, storage, battery, and device temperature. The Pro version offers extended history, game session analysis, and data export.

**Highlights:** Real-time CPU usage with history graph, Memory usage monitoring, Used and available storage, Battery level and charging state, Device thermal state and uptime, Game session measurement (Pro), Extended history (Pro)

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

**In-app purchases:** none


## Frequently asked questions

### Is Phone Doctor AI free?

Phone Doctor AI is free to download, with in-app purchases available.

### Is System Scope free?

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

### Do Phone Doctor AI or System Scope have ads?

Neither Phone Doctor AI nor System Scope shows ads.

### Which is updated more often, Phone Doctor AI or System Scope?

Phone Doctor AI ships an update every 4 months, and System Scope monthly. Most recently, Phone Doctor AI was updated on November 7, 2026 and System Scope on October 31, 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.*