# Box Volume Calculator vs ExternalVision

The clearest difference is price: ExternalVision at Free against Box Volume Calculator's $1.99. Box Volume Calculator's advantage is rating (4.0 vs 1.0) and in-app purchases (none vs 3). On update cadence, ads and device support there is nothing between them.

ExternalVision is free to download; Box Volume Calculator costs $1.99 up front. ExternalVision sells 3 in-app purchases, starting at $1.99 per month. Box Volume Calculator asks for nothing beyond the download.

Box Volume Calculator holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Box Volume Calculator ships an update every 13 months, ExternalVision every 7 months. Both last shipped on October 9, 2026.

## The numbers

| Metric | Box Volume Calculator | ExternalVision |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/box-volume-calculator/id6446172252/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/externalvision/id6670433678/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 7 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 21 MB | 2 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Vision Pro |
| Age rating | 4+ | 4+ |
| Developer | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) | [Kohei Kanagu](https://appshunter.io/developer/1530720615) |

## What reviewers say

### Box Volume Calculator

[App page](https://appshunter.io/ios/app/box-volume-calculator/id6446172252)

Easily calculate the volume of rectangular boxes with this user-friendly tool. Input length, width, and height to get precise cubic measurements in your preferred units. Ideal for construction, shipping, and packaging needs.

**Highlights:** Calculate rectangular box volume, Input length, width, and height, Display volume in cubic units, Switch between imperial and metric units, Simple and user-friendly interface

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

**In-app purchases:** none


### ExternalVision

[App page](https://appshunter.io/ios/app/externalvision/id6670433678)

This app allows you to read text and QR codes from your iPhone camera directly on your Apple Vision Pro. It enables copying detected text, sharing it, or opening URLs in Safari. All image analysis is performed locally on the Vision Pro, ensuring your data remains private.

**Highlights:** Real-time text and QR code detection, Seamless iPhone to Vision Pro streaming, Copy, share, and open detected content, Local image analysis for privacy, Works with iPhone/iPad and Apple Vision Pro

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month | $1.99 | per month |
| 6 months | $9.99 | per 6 months |
| 1 year | $19.99 | per year |


## Frequently asked questions

### Is Box Volume Calculator free?

Box Volume Calculator costs $1.99, with no in-app purchases.

### Is ExternalVision free?

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

### Which has better reviews, Box Volume Calculator or ExternalVision?

Box Volume Calculator is rated higher. Box Volume Calculator averages 4.0 out of 5 from 3 ratings, while ExternalVision averages 1.0 from 1 ratings.

### Do Box Volume Calculator or ExternalVision have ads?

Neither Box Volume Calculator nor ExternalVision shows ads.

### Which is updated more often, Box Volume Calculator or ExternalVision?

Box Volume Calculator ships an update every 13 months, and ExternalVision every 7 months. Most recently, Box Volume Calculator was updated on October 9, 2026 and ExternalVision 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.*