# Volume Units Converter vs Autogenys

The clearest difference is price: Autogenys at Free against Volume Units Converter's $1.99. Autogenys also leads on update cadence (monthly vs every 32 months) and iOS requirement (11.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Autogenys is free to download; Volume Units Converter costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Volume Units Converter ships an update every 32 months, Autogenys monthly. The most recent releases landed on October 10, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Volume Units Converter | Autogenys |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/volume-units-converter/id1443940327/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 32 months | **Monthly** |
| Monetization | Paid | — |
| Size | 1 MB | 38 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kei Suefuji](https://appshunter.io/developer/1388335881) | [Agence Cinquante5](https://appshunter.io/developer/1167490817) |

## What reviewers say

### Volume Units Converter

[App page](https://appshunter.io/ios/app/volume-units-converter/id1443940327)

Easily convert volume measurements between 18 different units. Simply input your value and select the desired units for instant conversion. Supports a wide range of common and specialized volume measurements.

**Highlights:** Converts between 18 volume units, Supports cubic meters, liters, gallons, and more, Intuitive input and unit selection, Displays converted values instantly, Covers UK and US liquid/dry measurements

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

**In-app purchases:** none


### Autogenys

[App page](https://appshunter.io/ios/app/autogenys/id1465570823)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Volume Units Converter free?

Volume Units Converter costs $1.99, with no in-app purchases.

### Is Autogenys free?

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

### Do Volume Units Converter or Autogenys have ads?

Neither Volume Units Converter nor Autogenys shows ads.

### Which is updated more often, Volume Units Converter or Autogenys?

Volume Units Converter ships an update every 32 months, and Autogenys monthly. Most recently, Volume Units Converter was updated on October 10, 2026 and Autogenys on October 26, 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.*