# Ghost vs SmartArx

The clearest difference is update cadence: SmartArx at every 2 weeks against Ghost's every 6 months. Ghost's advantage is iOS requirement (11.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ghost ships an update every 6 months, SmartArx every 2 weeks. The most recent releases landed on November 7, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Ghost | SmartArx |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Size | 5 MB | 29 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Seletron SNC](https://appshunter.io/developer/1277157614) | [Wynand vd Westhuizen](https://appshunter.io/developer/1609079143) |

## What reviewers say

### Ghost

[App page](https://appshunter.io/ios/app/ghost-sa/id1620130528)

**In-app purchases:** none


### SmartArx

[App page](https://appshunter.io/ios/app/smartarx/id6779118460)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ghost free?

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

### Is SmartArx free?

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

### Do Ghost or SmartArx have ads?

Neither Ghost nor SmartArx shows ads.

### Which is updated more often, Ghost or SmartArx?

Ghost ships an update every 6 months, and SmartArx every 2 weeks. Most recently, Ghost was updated on November 7, 2026 and SmartArx on November 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.*