# All Unit Conversion vs Signed Base Converter

The clearest difference is ads: All Unit Conversion at none against Signed Base Converter's shown. Signed Base Converter's advantage is update cadence (fortnightly vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

All Unit Conversion ships an update every 2 months, Signed Base Converter fortnightly. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | All Unit Conversion | Signed Base Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (17 ratings)](https://appshunter.io/ios/app/all-unit-conversion/id1418597453/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 22 MB | 10 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Tiago Do Couto](https://appshunter.io/developer/1291604717) | [洋 刘](https://appshunter.io/developer/6775317751) |

## What reviewers say

### All Unit Conversion

[App page](https://appshunter.io/ios/app/all-unit-conversion/id1418597453)

Easily convert between various units of measurement with this free utility app. It supports conversions for length, area, volume, mass, time, digital storage, energy, and currency.

**Highlights:** Length conversion, Area conversion, Volume conversion, Mass conversion, Time conversion, Currency conversion

**Features:** macOS Compatibility

**In-app purchases:** none


### Signed Base Converter

[App page](https://appshunter.io/ios/app/signed-base-converter/id6779268811)

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

**In-app purchases:** none


## Frequently asked questions

### Is All Unit Conversion free?

All Unit Conversion is free to download, with no in-app purchases.

### Is Signed Base Converter free?

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

### Do All Unit Conversion or Signed Base Converter have ads?

Signed Base Converter shows ads; All Unit Conversion does not.

### Which is updated more often, All Unit Conversion or Signed Base Converter?

All Unit Conversion ships an update every 2 months, and Signed Base Converter fortnightly. Most recently, All Unit Conversion was updated on October 17, 2026 and Signed Base Converter on October 16, 2026.

---

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