# HyDip vs Volume Converter

The clearest difference is in-app purchases: HyDip at none against Volume Converter's 2. HyDip also leads on ads (none vs shown) and iOS requirement (13.1 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Volume Converter sells 2 in-app purchases, starting at $4.99 per month. HyDip asks for nothing beyond the download.

HyDip ships an update every 6 months, Volume Converter every 10 months. The most recent releases landed on September 29, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | HyDip | Volume Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/volume-converter-capacon/id6743525867/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 months** | Every 10 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 31 MB | 29 MB |
| Requires iOS | **13.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IOR Pty Ltd](https://appshunter.io/developer/1874491786) | [kota tada](https://appshunter.io/developer/1658942612) |

## What reviewers say

### HyDip

[App page](https://appshunter.io/ios/app/hydip/id978384917)

View your fuel transaction history with this app. Designed for holders of specific fuel tags, it provides a convenient way to access past purchases.

**Highlights:** View transaction history, Fuel tag integration, Easy access to past purchases

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

**In-app purchases:** none


### Volume Converter

[App page](https://appshunter.io/ios/app/volume-converter-capacon/id6743525867)

This versatile tool converts volume and capacity units across many systems, including metric, US, UK, and traditional Japanese measurements. Its simple, intuitive interface provides instant results, making it useful for professionals and students in fields like engineering, cooking, and architecture. The app functions offline, ensuring accessibility anywhere.

**Highlights:** Converts volume and capacity units, Supports metric, US, UK, and Japanese units, Instant conversion results, Simple and intuitive interface, Offline functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $49.99 | per year |


## Frequently asked questions

### Is HyDip free?

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

### Is Volume Converter free?

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

### Do HyDip or Volume Converter have ads?

Volume Converter shows ads; HyDip does not.

### Which is updated more often, HyDip or Volume Converter?

HyDip ships an update every 6 months, and Volume Converter every 10 months. Most recently, HyDip was updated on September 29, 2026 and Volume Converter on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*