# Disk Graph vs Voice in a Can

The clearest difference is price: Voice in a Can at Free against Disk Graph's $5.99. Voice in a Can also leads on ratings volume (220 vs 5) and device support (5 vs 3). Disk Graph's advantage is in-app purchases (none vs 5) and rating (4.2 vs 3.9). On review sentiment, update cadence, ads and iOS requirement there is nothing between them.

Voice in a Can is free to download; Disk Graph costs $5.99 up front. Voice in a Can sells 5 one-off in-app purchases. Disk Graph asks for nothing beyond the download.

Disk Graph holds the better App Store score, 4.2 against 3.9. That said, the two scores are not equally well evidenced: Voice in a Can has 220 ratings behind it against 5, so its average is the more settled of the two. Written reviews split almost evenly too, at 74% and 75% positive.

Disk Graph ships an update every 3 months, Voice in a Can every 2 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Disk Graph | Voice in a Can |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/disk-graph/id697942581/reviews)** | [3.9 (220 ratings)](https://appshunter.io/ios/app/voice-in-a-can/id1339696720/reviews) |
| Number of ratings | 5 | **220** |
| Positive reviews | 74.5% of reviews | **75.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 8 MB | 26 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, Mac, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Nicolas Kick](https://appshunter.io/developer/583995254) | [Atadore](https://appshunter.io/developer/1339696719) |

## 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


### Voice in a Can

[App page](https://appshunter.io/ios/app/voice-in-a-can/id1339696720)

This app provides Alexa functionality on Apple Watch, iPhone, and iPad. Control smart home devices, ask questions, and manage lists hands-free. It offers a convenient way to access Alexa's features directly from your wrist or tablet.

**Highlights:** Alexa on Apple Watch, iPhone, iPad, Smart home device control, Voice commands without 'Alexa', Shopping list management, Timer and alarm setting, Customizable watch complications

**Features:** Apple Watch app

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tiny thanks | $0.99 | one-time |
| Small thanks | $1.99 | one-time |
| Thanks | $2.99 | one-time |
| Big thanks | $4.99 | one-time |
| Massive Thanks | $9.99 | one-time |

**What reviewers like**

- 🚀 Convenient Alexa access on Apple Watch
- 👍 Works well with smart home devices
- 💡 Allows hands-free control without phone
- 👍 Responsive developer support

**What reviewers complain about**

- 🐛 Occasional connectivity issues
- 🐛 Slow response times on some devices
- 🔋 Drains Apple Watch battery
- 🔒 Security/privacy concerns

**Reported bugs**

- App freezes or crashes on launch
- Incompatibility with newer iOS/watchOS versions

**Requested features**

- Ability to control music playback
- Improved Apple Watch app design
- Siri Shortcuts integration
- Expanded Alexa functionality


## Frequently asked questions

### Is Disk Graph free?

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

### Is Voice in a Can free?

Voice in a Can is free to download, with in-app purchases available.

### Which has better reviews, Disk Graph or Voice in a Can?

Disk Graph is rated higher. Disk Graph averages 4.2 out of 5 from 5 ratings, while Voice in a Can averages 3.9 from 220 ratings.

### Do Disk Graph or Voice in a Can have ads?

Neither Disk Graph nor Voice in a Can shows ads.

### Which is updated more often, Disk Graph or Voice in a Can?

Disk Graph ships an update every 3 months, and Voice in a Can every 2 months. Most recently, Disk Graph was updated on November 1, 2026 and Voice in a Can on November 6, 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.*