# Calculator Sci Unit Converter vs ClickPing

The clearest difference is price: ClickPing at Free against Calculator Sci Unit Converter's $1.99. ClickPing also leads on update cadence (every 5 days vs monthly). Calculator Sci Unit Converter's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

ClickPing is free to download; Calculator Sci Unit Converter costs $1.99 up front. ClickPing sells 1 one-off in-app purchase. Calculator Sci Unit Converter asks for nothing beyond the download.

Calculator Sci Unit Converter ships an update monthly, ClickPing every 5 days. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Calculator Sci Unit Converter | ClickPing |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/calculator-sci-unit-converter/id6772422667/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Paid | — |
| Size | 25 MB | 12 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Xiamen City Fanyou Network Technology Co., Ltd.](https://appshunter.io/developer/1842524161) | [Ramiz Raja](https://appshunter.io/developer/6786285132) |

## What reviewers say

### Calculator Sci Unit Converter

[App page](https://appshunter.io/ios/app/calculator-sci-unit-converter/id6772422667)

This app offers a robust calculator with both standard and scientific functions. It includes a unit converter for various measurements and currency, plus helpful shortcuts for percentages, taxes, and tips. All calculations are saved locally for easy access.

**Highlights:** Standard and scientific calculator modes, Unit conversion for length, weight, temperature, currency, Full calculation history log, Percentage, tax, and tip calculation shortcuts, Offline functionality, Optimized for phone and tablet

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

**In-app purchases:** none


### ClickPing

[App page](https://appshunter.io/ios/app/clickping-click-to-chat/id6786285130)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ClickPing Plus Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is Calculator Sci Unit Converter free?

Calculator Sci Unit Converter costs $1.99, with no in-app purchases.

### Is ClickPing free?

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

### Do Calculator Sci Unit Converter or ClickPing have ads?

ClickPing shows ads; Calculator Sci Unit Converter does not.

### Which is updated more often, Calculator Sci Unit Converter or ClickPing?

Calculator Sci Unit Converter ships an update monthly, and ClickPing every 5 days. Most recently, Calculator Sci Unit Converter was updated on October 11, 2026 and ClickPing on October 24, 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.*