# uHandy vs Koehler Tutor

The clearest difference is rating: Koehler Tutor at 4.4 against uHandy's 3.6. On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

Koehler Tutor holds the better App Store score, 4.4 against 3.6. Both are backed by a comparable volume of ratings — 13 and 8 respectively. Written reviews point the same way: 40% of uHandy's written reviews are positive against 43% of Koehler Tutor's.

Both ship on a similar rhythm, roughly monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | uHandy | Koehler Tutor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (13 ratings)](https://appshunter.io/ios/app/uhandy/id1109301329/reviews) | **[4.4 (8 ratings)](https://appshunter.io/ios/app/koehler-tutor/id1281328178/reviews)** |
| Number of ratings | **13** | 8 |
| Positive reviews | 40.0% of reviews | **42.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 65 MB | 32 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aidmics Biotechnology Co., Ltd](https://appshunter.io/developer/1119461359) | [Andrew Barlow](https://appshunter.io/developer/1229786938) |

## What reviewers say

### uHandy

[App page](https://appshunter.io/ios/app/uhandy/id1109301329)

This mobile microscope accessory allows users to explore the microscopic world directly from their phones. It offers enhanced camera features, manual focus, and integrated lessons to guide observation and learning.

**Highlights:** Mobile microscope functionality, Enhanced camera features, Manual focus control, Integrated observation lessons, Ruler for sample measurement

**Features:** macOS Compatibility

**In-app purchases:** none


### Koehler Tutor

[App page](https://appshunter.io/ios/app/koehler-tutor/id1281328178)

Learn the principles of Koehler illumination for microscopes. This app simulates microscope controls and image output, providing a virtual learning environment. It's a helpful tool for anyone needing to set up proper microscope illumination for optimal viewing.

**Highlights:** Virtual microscope simulation, Simulates control effects on image, Demonstrates correct control usage, Useful reminder for illumination setup, Applicable to all microscope brands

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

**In-app purchases:** none


## Frequently asked questions

### Is uHandy free?

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

### Is Koehler Tutor free?

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

### Which has better reviews, uHandy or Koehler Tutor?

Koehler Tutor is rated higher. uHandy averages 3.6 out of 5 from 13 ratings, while Koehler Tutor averages 4.4 from 8 ratings.

### Do uHandy or Koehler Tutor have ads?

Neither uHandy nor Koehler Tutor shows ads.

### Which is updated more often, uHandy or Koehler Tutor?

uHandy ships an update monthly, and Koehler Tutor monthly. Most recently, uHandy was updated on October 24, 2026 and Koehler Tutor on October 24, 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.*