# SHIMADZU UV vs KCFIR

The clearest difference is update cadence: KCFIR at every 3 weeks against SHIMADZU UV's every 8 months. SHIMADZU UV's advantage is iOS requirement (6.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SHIMADZU UV ships an update every 8 months, KCFIR every 3 weeks. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | SHIMADZU UV | KCFIR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/shimadzu-uv/id465021289/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 3 MB | 18 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shimadzu Business Systems Corporation](https://appshunter.io/developer/384043856) | [Shenzhen Kang Cheng Century Technology Co., Ltd.](https://appshunter.io/developer/1448125513) |

## What reviewers say

### SHIMADZU UV

[App page](https://appshunter.io/ios/app/shimadzu-uv/id465021289)

This tool helps users of UV-Vis Spectrophotometers quickly check solvent characteristics and perform unit conversions. It provides details like usable wavelength limits, melting, and boiling points for various solvents, along with converters for common lab units.

**Highlights:** Solvent characteristics lookup, Usable wavelength limits, Melting and boiling point data, Unit conversion for lab operations, Wavelength to wavenumber conversion, Distance, mass, pressure, angle conversions

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

**In-app purchases:** none


### KCFIR

[App page](https://appshunter.io/ios/app/kcfir/id1448125514)

**In-app purchases:** none


## Frequently asked questions

### Is SHIMADZU UV free?

SHIMADZU UV is free to download, with no in-app purchases.

### Is KCFIR free?

KCFIR is free to download, with no in-app purchases.

### Do SHIMADZU UV or KCFIR have ads?

Neither SHIMADZU UV nor KCFIR shows ads.

### Which is updated more often, SHIMADZU UV or KCFIR?

SHIMADZU UV ships an update every 8 months, and KCFIR every 3 weeks. Most recently, SHIMADZU UV was updated on November 1, 2026 and KCFIR on October 26, 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.*