# 截图拼接 vs Calculator Sci Unit Converter

The clearest difference is price: 截图拼接 at Free against Calculator Sci Unit Converter's $1.99. 截图拼接 also leads on update cadence (every 2 days vs monthly). Calculator Sci Unit Converter's advantage is ads (none vs shown) and iOS requirement (13.0 vs 16). On in-app purchases and device support there is nothing between them.

截图拼接 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.

截图拼接 ships an update every 2 days, Calculator Sci Unit Converter monthly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 截图拼接 | 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 | Yes | **No** |
| Update frequency | **Every 2 days** | Monthly |
| Monetization | — | Paid |
| Size | 16 MB | 25 MB |
| Requires iOS | 16 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [子幸 聂](https://appshunter.io/developer/1881766687) | [Xiamen City Fanyou Network Technology Co., Ltd.](https://appshunter.io/developer/1842524161) |

## What reviewers say

### 截图拼接

[App page](https://appshunter.io/ios/app/id6760827530)

**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 截图拼接 free?

截图拼接 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 截图拼接 or Calculator Sci Unit Converter have ads?

截图拼接 shows ads; Calculator Sci Unit Converter does not.

### Which is updated more often, 截图拼接 or Calculator Sci Unit Converter?

截图拼接 ships an update every 2 days, and Calculator Sci Unit Converter monthly. Most recently, 截图拼接 was updated on October 28, 2026 and Calculator Sci Unit Converter on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*