# Scale Conversion Calculator vs External Weighing Display

The clearest difference is price: Scale Conversion Calculator at Free against External Weighing Display's $2.99. Scale Conversion Calculator also leads on update cadence (every 5 days vs every 19 months) and iOS requirement (11.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Scale Conversion Calculator is free to download; External Weighing Display costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scale Conversion Calculator ships an update every 5 days, External Weighing Display every 19 months. The most recent releases landed on June 4, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Scale Conversion Calculator | External Weighing Display |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/scale-conversion-calculator/id1528811624/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 19 months |
| Monetization | Free | — |
| Size | 20 MB | 17 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TMS International LLC](https://appshunter.io/developer/1526562863) | [BEVANTOS GMBH](https://appshunter.io/developer/1319554483) |

## What reviewers say

### Scale Conversion Calculator

[App page](https://appshunter.io/ios/app/scale-conversion-calculator/id1528811624)

This utility app facilitates weight conversions between Metric, Gross, and Net tons. It also allows for the calculation of price rates based on weight and other related calculations.

**Highlights:** Metric ton conversion, Gross ton conversion, Net ton conversion, Price rate per weight calculation, Other weight-related calculations

**Features:** macOS Compatibility

**In-app purchases:** none


### External Weighing Display

[App page](https://appshunter.io/ios/app/external-weighing-display/id1639724575)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Scale Conversion Calculator free?

Scale Conversion Calculator is free to download, with no in-app purchases.

### Is External Weighing Display free?

External Weighing Display costs $2.99, with no in-app purchases.

### Do Scale Conversion Calculator or External Weighing Display have ads?

Neither Scale Conversion Calculator nor External Weighing Display shows ads.

### Which is updated more often, Scale Conversion Calculator or External Weighing Display?

Scale Conversion Calculator ships an update every 5 days, and External Weighing Display every 19 months. Most recently, Scale Conversion Calculator was updated on June 4, 2026 and External Weighing Display on September 8, 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.*