# Disk Graph vs Plan 9

The clearest difference is price: Plan 9 at Free against Disk Graph's $5.99. Plan 9 also leads on iOS requirement (14.0 vs 17.0). Disk Graph's advantage is update cadence (every 3 months vs every 24 months). On ads, in-app purchases and device support there is nothing between them.

Plan 9 is free to download; Disk Graph costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Disk Graph ships an update every 3 months, Plan 9 every 24 months. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Disk Graph | Plan 9 |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/disk-graph/id697942581/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 74.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 24 months |
| Monetization | Paid | — |
| Size | 8 MB | 1 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nicolas Kick](https://appshunter.io/developer/583995254) | [Paul Evenblij](https://appshunter.io/developer/286569767) |

## What reviewers say

### Disk Graph

[App page](https://appshunter.io/ios/app/disk-graph/id697942581)

Analyze your device's storage to identify large files and identify items not accessed recently. This utility helps you reclaim disk space by showing what's taking up the most room. Access directories directly through the Files app.

**Highlights:** Inspect disk usage, Find large files, Identify old files, Reclaim disk space, File access via Files app

**Features:** Vision Pro support

**In-app purchases:** none


### Plan 9

[App page](https://appshunter.io/ios/app/plan-9/id1510227252)

**In-app purchases:** none


## Frequently asked questions

### Is Disk Graph free?

Disk Graph costs $5.99, with no in-app purchases.

### Is Plan 9 free?

Plan 9 is free to download, with no in-app purchases.

### Do Disk Graph or Plan 9 have ads?

Neither Disk Graph nor Plan 9 shows ads.

### Which is updated more often, Disk Graph or Plan 9?

Disk Graph ships an update every 3 months, and Plan 9 every 24 months. Most recently, Disk Graph was updated on October 23, 2026 and Plan 9 on October 7, 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.*