# Volume Calculator 3D vs Potential Converter

The clearest difference is ads: Potential Converter at none against Volume Calculator 3D's shown. Potential Converter also leads on rating (5.0 vs 4.8) and monetization model (free vs ad-supported). Volume Calculator 3D's advantage is ratings volume (42 vs 1). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Potential Converter holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Volume Calculator 3D has 42 ratings behind it against 1, so its average is the more settled of the two.

Volume Calculator 3D ships an update every 5 months, Potential Converter every 6 months. The most recent releases landed on October 23, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Volume Calculator 3D | Potential Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (42 ratings)](https://appshunter.io/ios/app/volume-calculator-3d/id6444395497/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/potential-converter/id6760157743/reviews)** |
| Number of ratings | **42** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | Ad-supported | **Free** |
| Size | 57 MB | 0 MB |
| Requires iOS | 17.6 | **17** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Dianzhao Lin](https://appshunter.io/developer/1882906950) |

## What reviewers say

### Volume Calculator 3D

[App page](https://appshunter.io/ios/app/volume-calculator-3d/id6444395497)

Easily calculate the volume of numerous 3D geometric shapes with this straightforward tool. View formulas, share results, and choose from multiple units and languages.

**Highlights:** Calculate volume for 10+ geometric shapes, View calculation formulas, Supports multiple units (m, cm, mm, in, yd, ft), Multi-language support, Share results easily, Simple and efficient interface

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

**In-app purchases:** none


### Potential Converter

[App page](https://appshunter.io/ios/app/potential-converter/id6760157743)

This tool helps electrochemists, researchers, and students quickly convert measured potentials between various reference electrode scales. It supports 19 common electrodes and provides educational information, working offline with an intuitive interface.

**Highlights:** Convert between 19 common reference electrodes, Instant, real-time conversions, Supports SHE, Ag/AgCl, SCE, MSE, and more, Educational information on reference electrodes, Clean, intuitive interface, Offline functionality, Copy results with one tap

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

**In-app purchases:** none


## Frequently asked questions

### Is Volume Calculator 3D free?

Volume Calculator 3D is free to download, with no in-app purchases.

### Is Potential Converter free?

Potential Converter is free to download, with no in-app purchases.

### Which has better reviews, Volume Calculator 3D or Potential Converter?

Potential Converter is rated higher. Volume Calculator 3D averages 4.8 out of 5 from 42 ratings, while Potential Converter averages 5.0 from 1 ratings.

### Do Volume Calculator 3D or Potential Converter have ads?

Volume Calculator 3D shows ads; Potential Converter does not.

### Which is updated more often, Volume Calculator 3D or Potential Converter?

Volume Calculator 3D ships an update every 5 months, and Potential Converter every 6 months. Most recently, Volume Calculator 3D was updated on October 23, 2026 and Potential Converter on October 5, 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.*