# RMX vs Ecommerce Shipping Calculator

The clearest difference is update cadence: RMX at fortnightly against Ecommerce Shipping Calculator's every 2 months. RMX also leads on iOS requirement (12.0 vs 18.5). On price, ads, in-app purchases and device support there is nothing between them.

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

RMX ships an update fortnightly, Ecommerce Shipping Calculator every 2 months. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | RMX | Ecommerce Shipping Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ecommerce-shipping-calculator/id6747445893/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | — | Subscription |
| Size | 50 MB | 5 MB |
| Requires iOS | **12.0** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Freewill Solutions Co.,Ltd.](https://appshunter.io/developer/902937447) | [Bahattin Duran](https://appshunter.io/developer/1677311418) |

## What reviewers say

### RMX

[App page](https://appshunter.io/ios/app/rmx-e-lite/id1580695209)

**In-app purchases:** none


### Ecommerce Shipping Calculator

[App page](https://appshunter.io/ios/app/ecommerce-shipping-calculator/id6747445893)

Accurately calculate shipping costs for various carriers before listing or pricing items. This utility computes dimensional and billable weight, offering detailed rate estimations and margin analysis. It's designed for e-commerce sellers to avoid unexpected shipping expenses and ensure profitability.

**Highlights:** Dimensional weight calculation, Billable weight determination, Multi-carrier rate comparison, Margin analysis, Box optimization, Unit conversion, Offline calculations

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

**In-app purchases:** none


## Frequently asked questions

### Is RMX free?

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

### Is Ecommerce Shipping Calculator free?

Ecommerce Shipping Calculator is free to download, with no in-app purchases.

### Do RMX or Ecommerce Shipping Calculator have ads?

Neither RMX nor Ecommerce Shipping Calculator shows ads.

### Which is updated more often, RMX or Ecommerce Shipping Calculator?

RMX ships an update fortnightly, and Ecommerce Shipping Calculator every 2 months. Most recently, RMX was updated on October 11, 2026 and Ecommerce Shipping Calculator on October 14, 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.*