# mScopePal vs Zen Optimizer

The clearest difference is update cadence: Zen Optimizer at fortnightly against mScopePal's every 4 months. mScopePal's advantage is iOS requirement (12.4 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

mScopePal ships an update every 4 months, Zen Optimizer fortnightly. The most recent releases landed on October 2, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | mScopePal | Zen Optimizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (27 ratings)](https://appshunter.io/ios/app/mscopepal/id1446207192/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 1 MB | 3 MB |
| Requires iOS | **12.4** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Studio Phiz](https://appshunter.io/developer/427443339) | [Davide Zanon](https://appshunter.io/developer/1835284463) |

## What reviewers say

### mScopePal

[App page](https://appshunter.io/ios/app/mscopepal/id1446207192)

This camera app aids in capturing microscopic images by allowing easy adjustment of color and brightness. It supports zooming and manual focus to avoid disturbing the microscope's settings. It's designed to be used with a microscope and an adapter on compatible Apple devices.

**Highlights:** Microscopic image capture, Color adjustment (white balance), Brightness adjustment (exposure), Zooming support, Manual focus function

**Features:** macOS Compatibility

**In-app purchases:** none


### Zen Optimizer

[App page](https://appshunter.io/ios/app/zen-optimizer-free-space/id6766319080)

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

**In-app purchases:** none


## Frequently asked questions

### Is mScopePal free?

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

### Is Zen Optimizer free?

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

### Do mScopePal or Zen Optimizer have ads?

Neither mScopePal nor Zen Optimizer shows ads.

### Which is updated more often, mScopePal or Zen Optimizer?

mScopePal ships an update every 4 months, and Zen Optimizer fortnightly. Most recently, mScopePal was updated on October 2, 2026 and Zen Optimizer on October 16, 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.*