# LabStretch2 vs ChromaLens

The clearest difference is in-app purchases: LabStretch2 at none against ChromaLens's 2. LabStretch2 also leads on iOS requirement (9.1 vs 18.4). ChromaLens's advantage is update cadence (every 9 days vs every 55 months). On price, ads and device support there is nothing between them.

Both are free to download. ChromaLens sells 2 one-off in-app purchases. LabStretch2 asks for nothing beyond the download.

LabStretch2 ships an update every 55 months, ChromaLens every 9 days. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | LabStretch2 | ChromaLens |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/chromalens/id6755977914/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 55 months | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 14 MB | 189 MB |
| Requires iOS | **9.1** | 18.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Robert Mark](https://appshunter.io/developer/1049040325) | [David Gordon](https://appshunter.io/developer/1829825034) |

## What reviewers say

### LabStretch2

[App page](https://appshunter.io/ios/app/labstretch2/id1066022874)

**Features:** macOS Compatibility

**In-app purchases:** none


### ChromaLens

[App page](https://appshunter.io/ios/app/chromalens/id6755977914)

This camera app enhances color perception, revealing subtle details and patterns in your environment. It offers real-time video recording and image processing with advanced color remapping for artistic or analytical purposes.

**Highlights:** Live camera color enhancement, Real-time color-remapped video recording, Process saved videos and high-resolution stills, Advanced color remapping technology, Built-in presets and responsive sliders, Customizable color pre-processing filters, In-app image library

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChromaLens 7-Day Free Trial | Free | one-time |
| Unlock ChromaLens | $19.99 | one-time |


## Frequently asked questions

### Is LabStretch2 free?

LabStretch2 is free to download, with no in-app purchases.

### Is ChromaLens free?

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

### Do LabStretch2 or ChromaLens have ads?

Neither LabStretch2 nor ChromaLens shows ads.

### Which is updated more often, LabStretch2 or ChromaLens?

LabStretch2 ships an update every 55 months, and ChromaLens every 9 days. Most recently, LabStretch2 was updated on October 13, 2026 and ChromaLens on October 12, 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.*