# PRISMO MIRAGE vs OSpectrometer

The clearest difference is in-app purchases: PRISMO MIRAGE at none against OSpectrometer's 2. PRISMO MIRAGE also leads on iOS requirement (6.0 vs 15.1). OSpectrometer's advantage is update cadence (every 2 weeks vs every 2 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. PRISMO MIRAGE asks for nothing beyond the download.

PRISMO MIRAGE ships an update every 2 months, OSpectrometer every 2 weeks. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | PRISMO MIRAGE | 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 2 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 71 MB |
| Requires iOS | **6.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FUSO PRECISION](https://appshunter.io/developer/382022791) | [NANO ELECTRONICS RESEARCH MUHENDISLIK ARASTIRMA GELISTIRME LIMITED SIRKETI](https://appshunter.io/developer/1674573382) |

## What reviewers say

### PRISMO MIRAGE

[App page](https://appshunter.io/ios/app/prismo-mirage/id579906334)

**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 PRISMO MIRAGE free?

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

### Is OSpectrometer free?

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

### Do PRISMO MIRAGE or OSpectrometer have ads?

Neither PRISMO MIRAGE nor OSpectrometer shows ads.

### Which is updated more often, PRISMO MIRAGE or OSpectrometer?

PRISMO MIRAGE ships an update every 2 months, and OSpectrometer every 2 weeks. Most recently, PRISMO MIRAGE was updated on October 3, 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.*