# SoluDyne APOS vs EG TraceTool

The clearest difference is update cadence: EG TraceTool at fortnightly against SoluDyne APOS's every 6 weeks. SoluDyne APOS's advantage is iOS requirement (11.1 vs 18.0). 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.

SoluDyne APOS ships an update every 6 weeks, EG TraceTool fortnightly. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SoluDyne APOS | EG TraceTool |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 75 MB | 137 MB |
| Requires iOS | **11.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [SoluDyne](https://appshunter.io/developer/1376604682) | [EG](https://appshunter.io/developer/501296151) |

## What reviewers say

### SoluDyne APOS

[App page](https://appshunter.io/ios/app/soludyne-apos/id1496366398)

**Features:** macOS Compatibility

**In-app purchases:** none


### EG TraceTool

[App page](https://appshunter.io/ios/app/eg-tracetool/id6740814724)

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

**In-app purchases:** none


## Frequently asked questions

### Is SoluDyne APOS free?

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

### Is EG TraceTool free?

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

### Do SoluDyne APOS or EG TraceTool have ads?

Neither SoluDyne APOS nor EG TraceTool shows ads.

### Which is updated more often, SoluDyne APOS or EG TraceTool?

SoluDyne APOS ships an update every 6 weeks, and EG TraceTool fortnightly. Most recently, SoluDyne APOS was updated on October 9, 2026 and EG TraceTool on October 24, 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.*