# ETrans King vs Calculator N

The clearest difference is in-app purchases: ETrans King at none against Calculator N's 1. ETrans King also leads on ads (none vs shown) and iOS requirement (15.0 vs 18.0). Calculator N's advantage is update cadence (every 2 days vs weekly). On price and device support there is nothing between them.

Both are free to download. Calculator N sells 1 one-off in-app purchase. ETrans King asks for nothing beyond the download.

ETrans King ships an update weekly, Calculator N every 2 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | ETrans King | Calculator N |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/calculator-n/id6816916825/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 67 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [深圳市奇诺派科技有限公司](https://appshunter.io/developer/1671064254) | [OpenNode](https://appshunter.io/developer/6822146388) |

## What reviewers say

### ETrans King

[App page](https://appshunter.io/ios/app/etrans-king/id6787011161)

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

**In-app purchases:** none


### Calculator N

[App page](https://appshunter.io/ios/app/calculator-n/id6816916825)

This utility app offers advanced calculation features with an editable expression history and six handy tools. It includes currency conversion, loan calculations, and date tools, all presented with customizable themes and optional haptic feedback.

**Highlights:** Editable expression history, Automatic thousands separators, Currency converter, Amount in words (Chinese uppercase), BMI calculator with multiple standards, Mortgage and interest calculators, Date calculation tools

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久去除广告 | $7.99 | one-time |


## Frequently asked questions

### Is ETrans King free?

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

### Is Calculator N free?

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

### Do ETrans King or Calculator N have ads?

Calculator N shows ads; ETrans King does not.

### Which is updated more often, ETrans King or Calculator N?

ETrans King ships an update weekly, and Calculator N every 2 days. Most recently, ETrans King was updated on November 5, 2026 and Calculator N on November 10, 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.*