# 离职倒计时 vs Calculator Sci Unit Converter

The clearest difference is price: 离职倒计时 at Free against Calculator Sci Unit Converter's $1.99. 离职倒计时 also leads on update cadence (weekly vs monthly). Calculator Sci Unit Converter's advantage is iOS requirement (13.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

离职倒计时 is free to download; Calculator Sci Unit Converter costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

离职倒计时 ships an update weekly, Calculator Sci Unit Converter monthly. The most recent releases landed on October 22, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 离职倒计时 | Calculator Sci Unit Converter |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| 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 | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | — | Paid |
| Size | 20 MB | 25 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [军 王](https://appshunter.io/developer/1805726584) | [Xiamen City Fanyou Network Technology Co., Ltd.](https://appshunter.io/developer/1842524161) |

## What reviewers say

### 离职倒计时

[App page](https://appshunter.io/ios/app/id6744053785)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 离职倒计时 free?

离职倒计时 is free to download, with no in-app purchases.

### Is Calculator Sci Unit Converter free?

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

### Do 离职倒计时 or Calculator Sci Unit Converter have ads?

Neither 离职倒计时 nor Calculator Sci Unit Converter shows ads.

### Which is updated more often, 离职倒计时 or Calculator Sci Unit Converter?

离职倒计时 ships an update weekly, and Calculator Sci Unit Converter monthly. Most recently, 离职倒计时 was updated on October 22, 2026 and Calculator Sci Unit Converter on October 11, 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.*