# Scale Conversion Calculator vs Abyss

The clearest difference is update cadence: Scale Conversion Calculator at every 5 days against Abyss's every 2 months. Scale Conversion Calculator also leads on iOS requirement (11.0 vs 13.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.5 for Scale Conversion Calculator against 4.5 for Abyss. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Scale Conversion Calculator ships an update every 5 days, Abyss every 2 months. The most recent releases landed on June 4, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | Scale Conversion Calculator | Abyss |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/scale-conversion-calculator/id1528811624/reviews) | [4.5 (2 ratings)](https://appshunter.io/ios/app/abyss-infinite/id6747150343/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Free | Free |
| Size | 20 MB | 36 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [TMS International LLC](https://appshunter.io/developer/1526562863) | [TBB Power Co., Ltd](https://appshunter.io/developer/1089239531) |

## 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


### Abyss

[App page](https://appshunter.io/ios/app/abyss-infinite/id6747150343)

Monitor your device's battery, system diagnostics, and charger status. This app also allows for wireless firmware updates for compatible devices, all managed from your mobile phone.

**Highlights:** Real-time battery data, System diagnostics, Charger status monitoring, Wireless firmware updates, Mobile device management

**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 Abyss free?

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

### Which has better reviews, Scale Conversion Calculator or Abyss?

Scale Conversion Calculator and Abyss are both rated 4.5 out of 5 on the App Store, from 4 and 2 ratings respectively.

### Do Scale Conversion Calculator or Abyss have ads?

Neither Scale Conversion Calculator nor Abyss shows ads.

### Which is updated more often, Scale Conversion Calculator or Abyss?

Scale Conversion Calculator ships an update every 5 days, and Abyss every 2 months. Most recently, Scale Conversion Calculator was updated on June 4, 2026 and Abyss on June 3, 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.*