# GallerySorter vs Calculator Sci Unit Converter

The clearest difference is price: GallerySorter at Free against Calculator Sci Unit Converter's $1.99. GallerySorter also leads on update cadence (fortnightly vs monthly). Calculator Sci Unit Converter's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On ads and in-app purchases there is nothing between them.

GallerySorter 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.

GallerySorter ships an update fortnightly, Calculator Sci Unit Converter monthly. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | GallerySorter | 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 | **Fortnightly** | Monthly |
| Monetization | — | Paid |
| Size | 3 MB | 25 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HEADCRAB](https://appshunter.io/developer/1628414838) | [Xiamen City Fanyou Network Technology Co., Ltd.](https://appshunter.io/developer/1842524161) |

## What reviewers say

### GallerySorter

[App page](https://appshunter.io/ios/app/gallerysorter/id6741365077)

**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 GallerySorter free?

GallerySorter 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 GallerySorter or Calculator Sci Unit Converter have ads?

Neither GallerySorter nor Calculator Sci Unit Converter shows ads.

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

GallerySorter ships an update fortnightly, and Calculator Sci Unit Converter monthly. Most recently, GallerySorter was updated on October 2, 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.*