# iMolview Lite vs TitechApp 4

The clearest difference is in-app purchases: iMolview Lite at none against TitechApp 4's 1. iMolview Lite also leads on review sentiment (100% vs 79%) and iOS requirement (12.0 vs 17.0). TitechApp 4's advantage is update cadence (fortnightly vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. TitechApp 4 sells 1 in-app purchase, starting at $0.99 per month. iMolview Lite asks for nothing beyond the download.

iMolview Lite ships an update every 9 months, TitechApp 4 fortnightly. Both last shipped on September 22, 2026.

## The numbers

| Metric | iMolview Lite | TitechApp 4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/imolview-lite/id543731121/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | **100.0% of reviews** | 79.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Fortnightly** |
| Monetization | **Free** | Freemium |
| Size | 54 MB | 28 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Molsoft](https://appshunter.io/developer/431002309) | [MOTO MARUYAMA](https://appshunter.io/developer/1046345441) |

## What reviewers say

### iMolview Lite

[App page](https://appshunter.io/ios/app/imolview-lite/id543731121)

Explore 3D models of biological molecules like proteins and DNA from public databases. Visualize and customize molecular structures with various representations and coloring schemes. Analyze interactions and view your own structure files.

**Highlights:** 3D protein and DNA structure viewing, Drug molecule visualization, Customizable molecular representations, Individual atom/residue selection and coloring, Interaction analysis, Import custom structure files

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

**In-app purchases:** none


### TitechApp 4

[App page](https://appshunter.io/ios/app/titechapp-4/id1400068981)

Enhance your Tokyo Tech experience with convenient access to lecture materials and automatic portal logins. This app streamlines your academic life, offering features designed specifically for Tokyo Tech students.

**Highlights:** Lecture Material Viewer, Auto login to Tokyo Tech Portal, Auto login to Tokyo Tech WiFi

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TitechApp Monthly Subscription | $0.99 | per month |


## Frequently asked questions

### Is iMolview Lite free?

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

### Is TitechApp 4 free?

TitechApp 4 is free to download, with in-app purchases available.

### Do iMolview Lite or TitechApp 4 have ads?

Neither iMolview Lite nor TitechApp 4 shows ads.

### Which is updated more often, iMolview Lite or TitechApp 4?

iMolview Lite ships an update every 9 months, and TitechApp 4 fortnightly. Most recently, iMolview Lite was updated on September 22, 2026 and TitechApp 4 on September 22, 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.*