# EZPZ Unit Converter vs ECA 3D

The clearest difference is in-app purchases: ECA 3D at none against EZPZ Unit Converter's 1. ECA 3D also leads on ads (none vs shown). EZPZ Unit Converter's advantage is update cadence (every 4 months vs every 19 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. EZPZ Unit Converter sells 1 one-off in-app purchase. ECA 3D asks for nothing beyond the download.

EZPZ Unit Converter ships an update every 4 months, ECA 3D every 19 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | EZPZ Unit Converter | ECA 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (49 ratings)](https://appshunter.io/ios/app/ezpz-unit-converter/id1084207379/reviews)** | — |
| Number of ratings | **49** | — |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 19 months |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 27 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Martin Engelsgjerd](https://appshunter.io/developer/1084207378) | [Evoltech Srl](https://appshunter.io/developer/1759414077) |

## What reviewers say

### EZPZ Unit Converter

[App page](https://appshunter.io/ios/app/ezpz-unit-converter/id1084207379)

Easily convert between over 1000 units across 17 categories, including currency with live rates. Save frequent conversions and access them quickly via a widget. Enjoy fun facts related to units while you convert.

**Highlights:** 1000+ unit conversions, 17 conversion categories, 160+ live currency rates, Saved conversions & widget, Search functionality, Fun unit facts

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $2.99 | one-time |


### ECA 3D

[App page](https://appshunter.io/ios/app/eca-3d/id6624305508)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EZPZ Unit Converter free?

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

### Is ECA 3D free?

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

### Do EZPZ Unit Converter or ECA 3D have ads?

EZPZ Unit Converter shows ads; ECA 3D does not.

### Which is updated more often, EZPZ Unit Converter or ECA 3D?

EZPZ Unit Converter ships an update every 4 months, and ECA 3D every 19 months. Most recently, EZPZ Unit Converter was updated on November 2, 2026 and ECA 3D on November 4, 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.*