# Optogenetics Pro vs HongMall Express

The clearest difference is update cadence: HongMall Express at every 3 weeks against Optogenetics Pro's every 45 months. HongMall Express also leads on iOS requirement (14.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Optogenetics Pro ships an update every 45 months, HongMall Express every 3 weeks. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Optogenetics Pro | HongMall Express |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/optogenetics-pro/id641358148/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 365 MB | 39 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Popneuron Ltd.](https://appshunter.io/developer/569968720) | [COLORDANCE INC](https://appshunter.io/developer/1853900086) |

## What reviewers say

### Optogenetics Pro

[App page](https://appshunter.io/ios/app/optogenetics-pro/id641358148)

This tool helps researchers calculate the necessary optical power for optogenetics experiments involving light delivery to deep brain areas. It considers brain region scattering properties, opsin type, and optical fiber characteristics to estimate excitation depth as a function of optical power.

**Highlights:** Calculate required optical power, Estimate opsin excitation depth, Model light scattering in brain tissue, Input brain region properties, Input opsin properties, Input optical fiber properties

**Features:** macOS Compatibility

**In-app purchases:** none


### HongMall Express

[App page](https://appshunter.io/ios/app/hongmall-express/id1593695687)

This delivery management tool simplifies operations for a local delivery service. It aims to provide an efficient and straightforward platform for exceptional customer delivery experiences.

**Highlights:** Delivery management, Efficient operations, Simple platform, Exceptional service, Customer focused

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Optogenetics Pro free?

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

### Is HongMall Express free?

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

### Do Optogenetics Pro or HongMall Express have ads?

Neither Optogenetics Pro nor HongMall Express shows ads.

### Which is updated more often, Optogenetics Pro or HongMall Express?

Optogenetics Pro ships an update every 45 months, and HongMall Express every 3 weeks. Most recently, Optogenetics Pro was updated on October 7, 2026 and HongMall Express on October 9, 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.*