# Diskio vs PlotPeek

The clearest difference is price: PlotPeek at Free against Diskio's $5.99. PlotPeek also leads on ads (none vs shown) and update cadence (every 3 days vs weekly). Diskio's advantage is in-app purchases (none vs 4) and iOS requirement (16.0 vs 26.4).

PlotPeek is free to download; Diskio costs $5.99 up front. PlotPeek sells 4 one-off in-app purchases. Diskio asks for nothing beyond the download.

Diskio ships an update weekly, PlotPeek every 3 days. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Diskio | PlotPeek |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[3.9 (17 ratings)](https://appshunter.io/ios/app/diskio-disk-and-ssd-speed-test/id6467768299/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Paid | — |
| Size | 9 MB | 93 MB |
| Requires iOS | **16.0** | 26.4 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Sergii Khliustin](https://appshunter.io/developer/1598605990) | [Luca Taglialatela](https://appshunter.io/developer/6799851440) |

## What reviewers say

### Diskio

[App page](https://appshunter.io/ios/app/diskio-disk-and-ssd-speed-test/id6467768299)

This utility app provides precise speed tests for all your storage devices, from internal iPhone storage to external USB drives. Customize test parameters for detailed insights and identify performance bottlenecks. It offers a simple three-step process to analyze your storage's true capabilities.

**Highlights:** Precise disk speed testing, Tests internal and external storage, Customizable test parameters, Simple three-step process, Universally compatible with iOS devices, Identifies performance bottlenecks

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

**In-app purchases:** none


### PlotPeek

[App page](https://appshunter.io/ios/app/plotpeek-visual-data-analysis/id6799864648)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A little spark | $0.99 | one-time |
| Kind PlotPeek Tip | $2.99 | one-time |
| Generous PlotPeek Tip | $5.99 | one-time |
| Wonderful PlotPeek Tip | $9.99 | one-time |


## Frequently asked questions

### Is Diskio free?

Diskio costs $5.99, with no in-app purchases.

### Is PlotPeek free?

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

### Do Diskio or PlotPeek have ads?

Diskio shows ads; PlotPeek does not.

### Which is updated more often, Diskio or PlotPeek?

Diskio ships an update weekly, and PlotPeek every 3 days. Most recently, Diskio was updated on October 17, 2026 and PlotPeek 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.*