# IMS MIA vs OSpectrometer

The clearest difference is in-app purchases: IMS MIA at none against OSpectrometer's 2. IMS MIA also leads on iOS requirement (11.0 vs 15.1). OSpectrometer's advantage is update cadence (every 2 weeks vs every 14 months). On price, 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. IMS MIA asks for nothing beyond the download.

IMS MIA ships an update every 14 months, OSpectrometer every 2 weeks. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | IMS MIA | OSpectrometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (4 ratings)](https://appshunter.io/ios/app/ospectrometer/id6446124449/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 96 MB | 71 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IMS Messsysteme GmbH](https://appshunter.io/developer/1523298188) | [NANO ELECTRONICS RESEARCH MUHENDISLIK ARASTIRMA GELISTIRME LIMITED SIRKETI](https://appshunter.io/developer/1674573382) |

## What reviewers say

### IMS MIA

[App page](https://appshunter.io/ios/app/ims-mia/id1523298186)

**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 IMS MIA free?

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

### Is OSpectrometer free?

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

### Do IMS MIA or OSpectrometer have ads?

Neither IMS MIA nor OSpectrometer shows ads.

### Which is updated more often, IMS MIA or OSpectrometer?

IMS MIA ships an update every 14 months, and OSpectrometer every 2 weeks. Most recently, IMS MIA was updated on October 9, 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.*