# SHIMADZU UV vs OSpectrometer

The clearest difference is rating: SHIMADZU UV at 3.0 against OSpectrometer's 2.0. SHIMADZU UV also leads on in-app purchases (none vs 2) and iOS requirement (6.0 vs 15.1). OSpectrometer's advantage is update cadence (every 2 weeks vs every 8 months) and ratings volume (4 vs 1). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. OSpectrometer sells 2 in-app purchases, starting at $2.99 per month. SHIMADZU UV asks for nothing beyond the download.

SHIMADZU UV holds the better App Store score, 3.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

SHIMADZU UV ships an update every 8 months, OSpectrometer every 2 weeks. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | SHIMADZU UV | OSpectrometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/shimadzu-uv/id465021289/reviews)** | [2.0 (4 ratings)](https://appshunter.io/ios/app/ospectrometer/id6446124449/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 71 MB |
| Requires iOS | **6.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shimadzu Business Systems Corporation](https://appshunter.io/developer/384043856) | [NANO ELECTRONICS RESEARCH MUHENDISLIK ARASTIRMA GELISTIRME LIMITED SIRKETI](https://appshunter.io/developer/1674573382) |

## 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


### OSpectrometer

[App page](https://appshunter.io/ios/app/ospectrometer/id6446124449)

This app uses your device's camera and screen to perform basic optical spectroscopy. Analyze the visible light spectrum of objects, map light wavelengths to RGB values, and save or share your findings. It functions offline without external hardware.

**Highlights:** Visible light spectrum analysis, RGB color value mapping, Wavelength selection and scanning, Front camera reflection sensing, Save and share results, Offline functionality

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| month | $2.99 | per month |
| year | $9.99 | per year |


## Frequently asked questions

### Is SHIMADZU UV free?

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

### Is OSpectrometer free?

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

### Which has better reviews, SHIMADZU UV or OSpectrometer?

SHIMADZU UV is rated higher. SHIMADZU UV averages 3.0 out of 5 from 1 ratings, while OSpectrometer averages 2.0 from 4 ratings.

### Do SHIMADZU UV or OSpectrometer have ads?

Neither SHIMADZU UV nor OSpectrometer shows ads.

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

SHIMADZU UV ships an update every 8 months, and OSpectrometer every 2 weeks. Most recently, SHIMADZU UV was updated on October 2, 2026 and OSpectrometer on October 15, 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.*