# Dynamic II vs Drive Diagnostics

Dynamic II and Drive Diagnostics are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Dynamic II | Drive Diagnostics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | Every 6 months |
| Size | 22 MB | 9 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bruynzeel Storage Systems BV](https://appshunter.io/developer/997254787) | [Bonfiglioli SPA](https://appshunter.io/developer/670210180) |

## What reviewers say

### Dynamic II

[App page](https://appshunter.io/ios/app/dynamic-ii/id1471110890)

**Features:** macOS Compatibility

**In-app purchases:** none


### Drive Diagnostics

[App page](https://appshunter.io/ios/app/drive-diagnostics/id1523617166)

**In-app purchases:** none


## Frequently asked questions

### Is Dynamic II free?

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

### Is Drive Diagnostics free?

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

### Do Dynamic II or Drive Diagnostics have ads?

Neither Dynamic II nor Drive Diagnostics shows ads.

### Which is updated more often, Dynamic II or Drive Diagnostics?

Dynamic II ships an update every 6 months, and Drive Diagnostics every 6 months. Most recently, Dynamic II was updated on October 8, 2026 and Drive Diagnostics on September 30, 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.*