# InstColor vs OSpectrometer

The clearest difference is review sentiment: InstColor at 100% against OSpectrometer's 0%. InstColor also leads on rating (4.0 vs 2.0) and in-app purchases (none vs 2). OSpectrometer's advantage is ads (none vs shown). On price, ratings volume, device support and iOS requirement there is nothing between them.

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

InstColor holds the better App Store score, 4.0 against 2.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 100% of InstColor's written reviews are positive against 0% of OSpectrometer's.

InstColor ships an update daily, OSpectrometer every 2 weeks. The most recent releases landed on September 12, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | InstColor | OSpectrometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/instcolor/id1662424895/reviews)** | [2.0 (4 ratings)](https://appshunter.io/ios/app/ospectrometer/id6446124449/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 8 MB | 71 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lei Cao](https://appshunter.io/developer/1578550166) | [NANO ELECTRONICS RESEARCH MUHENDISLIK ARASTIRMA GELISTIRME LIMITED SIRKETI](https://appshunter.io/developer/1674573382) |

## What reviewers say

### InstColor

[App page](https://appshunter.io/ios/app/instcolor/id1662424895)

Instantly detect and extract colors from your surroundings using your device's camera. Get detailed color information, including names, RGB values, and color families. Explore color blending and various color translation options.

**Highlights:** Real-time camera color extraction, Color names, RGB, and family info, Dominant colors detection, Color blending experiments, RGB/HSB/HEX inter-conversions, Color translation schemes, Save favorite colors

**Features:** macOS Compatibility

**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 InstColor free?

InstColor 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, InstColor or OSpectrometer?

InstColor is rated higher. InstColor averages 4.0 out of 5 from 2 ratings, while OSpectrometer averages 2.0 from 4 ratings.

### Do InstColor or OSpectrometer have ads?

InstColor shows ads; OSpectrometer does not.

### Which is updated more often, InstColor or OSpectrometer?

InstColor ships an update daily, and OSpectrometer every 2 weeks. Most recently, InstColor was updated on September 12, 2026 and OSpectrometer on September 10, 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.*