# Universal Converter. vs Online Unit Converter

The clearest difference is in-app purchases: Universal Converter. at none against Online Unit Converter's 1. Online Unit Converter's advantage is update cadence (every 8 days vs every 24 months) and price ($0.99 vs $4.99). On ads and device support there is nothing between them.

Universal Converter. costs $4.99 and Online Unit Converter $0.99 up front. Online Unit Converter sells 1 one-off in-app purchase. Universal Converter. asks for nothing beyond the download.

Universal Converter. ships an update every 24 months, Online Unit Converter every 8 days. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Universal Converter. | Online Unit Converter |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Rating | **[4.3 (12 ratings)](https://appshunter.io/ios/app/universal-converter/id519552652/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 8 days** |
| Monetization | Paid | — |
| Size | 5 MB | 32 MB |
| Requires iOS | 16.0 | **9.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [飞 李](https://appshunter.io/developer/1633407304) |

## What reviewers say

### Universal Converter.

[App page](https://appshunter.io/ios/app/universal-converter/id519552652)

This utility app provides a comprehensive conversion calculator for a vast array of units across 64 categories. It offers automatic calculations based on input changes and supports regional decimal separators for ease of use.

**Highlights:** 64 conversion categories, 1333 units supported, Automatic value calculation, Supports regional decimal separators, Simple and easy to use interface, Engineering and educational utility

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

**In-app purchases:** none


### Online Unit Converter

[App page](https://appshunter.io/ios/app/online-unit-converter/id6444185100)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP | $0.99 | one-time |


## Frequently asked questions

### Is Universal Converter. free?

Universal Converter. costs $4.99, with no in-app purchases.

### Is Online Unit Converter free?

Online Unit Converter costs $0.99, and also offers in-app purchases.

### Do Universal Converter. or Online Unit Converter have ads?

Neither Universal Converter. nor Online Unit Converter shows ads.

### Which is updated more often, Universal Converter. or Online Unit Converter?

Universal Converter. ships an update every 24 months, and Online Unit Converter every 8 days. Most recently, Universal Converter. was updated on November 1, 2026 and Online Unit Converter on November 7, 2026.

---

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