# eCummins vs Unitio

The clearest difference is in-app purchases: eCummins at none against Unitio's 3. eCummins also leads on ads (none vs shown). Unitio's advantage is update cadence (every 5 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Unitio sells 3 in-app purchases, starting at $1.99 per 7 days. eCummins asks for nothing beyond the download.

eCummins ships an update monthly, Unitio every 5 days. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | eCummins | Unitio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Size | 11 MB | 44 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cummins (China) Investment Co., Ltd.](https://appshunter.io/developer/1373127178) | [Kin Man Leung](https://appshunter.io/developer/1716597027) |

## What reviewers say

### eCummins

[App page](https://appshunter.io/ios/app/ecummins/id6747970854)

**Features:** macOS Compatibility

**In-app purchases:** none


### Unitio

[App page](https://appshunter.io/ios/app/unitio-unit-converter/id6759262265)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UnitioPro | $1.99 | per 7 days |
| UnitioPro | $3.99 | per month |
| UnitioPro | $24.99 | per year |


## Frequently asked questions

### Is eCummins free?

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

### Is Unitio free?

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

### Do eCummins or Unitio have ads?

Unitio shows ads; eCummins does not.

### Which is updated more often, eCummins or Unitio?

eCummins ships an update monthly, and Unitio every 5 days. Most recently, eCummins was updated on October 5, 2026 and Unitio on October 12, 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.*