# ec Fast Calc vs 證照王 LicenseKing

The clearest difference is in-app purchases: ec Fast Calc at none against 證照王 LicenseKing's 4. 證照王 LicenseKing's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 證照王 LicenseKing sells 4 in-app purchases, starting at $0.99 per month. ec Fast Calc asks for nothing beyond the download.

ec Fast Calc ships an update weekly, 證照王 LicenseKing every 11 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ec Fast Calc | 證照王 LicenseKing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ec-fast-calc/id6748915950/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | Ad-supported | — |
| Size | 8 MB | 72 MB |
| Requires iOS | **17** | 18.5 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [EC Fast Worldwide Limited](https://appshunter.io/developer/1827969035) | [Shi-Gang Wang](https://appshunter.io/developer/1895601125) |

## What reviewers say

### ec Fast Calc

[App page](https://appshunter.io/ios/app/ec-fast-calc/id6748915950)

This app simplifies daily calculations with an intuitive interface. It allows for effortless bill splitting with friends, group expense management, and date/time calculations. Enjoy powerful features and multi-language support for all your computing needs.

**Highlights:** Bill splitting with friends, Group expense management, Weight and package comparison, Date and time calculations, Multi-language support, Intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


### 證照王 LicenseKing

[App page](https://appshunter.io/ios/app/licenseking/id6764019660)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal Monthly | $0.99 | per month |
| Family Monthly | $2.99 | per month |
| Personal Yearly | $9.99 | per year |
| Family Yearly | $29.99 | per year |


## Frequently asked questions

### Is ec Fast Calc free?

ec Fast Calc is free to download, with no in-app purchases.

### Is 證照王 LicenseKing free?

證照王 LicenseKing is free to download, with in-app purchases available.

### Do ec Fast Calc or 證照王 LicenseKing have ads?

ec Fast Calc shows ads; 證照王 LicenseKing does not.

### Which is updated more often, ec Fast Calc or 證照王 LicenseKing?

ec Fast Calc ships an update weekly, and 證照王 LicenseKing every 11 days. Most recently, ec Fast Calc was updated on October 30, 2026 and 證照王 LicenseKing on October 31, 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.*