# Specimen vs Netoo

The clearest difference is in-app purchases: Netoo at none against Specimen's 2. Specimen's advantage is update cadence (every 10 days vs every 3 months) and iOS requirement (8.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Specimen sells 2 one-off in-app purchases. Netoo asks for nothing beyond the download.

Specimen ships an update every 10 days, Netoo every 3 months. The most recent releases landed on October 6, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Specimen | Netoo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (11 ratings)](https://appshunter.io/ios/app/specimen-a-game-about-color/id999930535/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 83.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 62 MB | 126 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PepRally](https://appshunter.io/developer/999930534) | [Alperen Guner](https://appshunter.io/developer/1833795210) |

## What reviewers say

### Specimen

[App page](https://appshunter.io/ios/app/specimen-a-game-about-color/id999930535)

Test your color perception in this minimalist game. Tap the matching specimen to the background color to progress. Utilize boosters like SPLIT, ZAP, and ZAP 2x/3x to overcome increasing speed and challenges.

**Highlights:** Color matching gameplay, Minimalist design, Boosters (SPLIT, ZAP), Increasing difficulty, Patterned boosters, Chroma coins

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin Doubler | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- ✨ Beautiful design and animation
- 🎮 Addictive and challenging gameplay
- 🧠 Improves color perception
- 🎵 Great soundtrack and sound design
- 💡 Unique and innovative concept

**What reviewers complain about**

- 🐛 Crashes on launch (iOS 12+)
- 📉 Game becomes too difficult too quickly
- ⏳ No longevity or future updates
- ❓ Unclear mechanics for certain elements
- 🐌 Touch response delayed

**Reported bugs**

- Crashes immediately on XS
- Crashes on launch on iOS 12
- App suddenly closes during gameplay
- Touch response is badly delayed

**Requested features**

- Untimed/practice mode
- Explanation for black and white blobs
- Mode for color-impaired players


### Netoo

[App page](https://appshunter.io/ios/app/netoo/id6752226310)

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

**In-app purchases:** none


## Frequently asked questions

### Is Specimen free?

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

### Is Netoo free?

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

### Do Specimen or Netoo have ads?

Neither Specimen nor Netoo shows ads.

### Which is updated more often, Specimen or Netoo?

Specimen ships an update every 10 days, and Netoo every 3 months. Most recently, Specimen was updated on October 6, 2026 and Netoo on September 28, 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.*