# TMA iGas vs LogitHub AI scan & chat

The clearest difference is in-app purchases: TMA iGas at none against LogitHub AI scan & chat's 4. TMA iGas also leads on update cadence (weekly vs every 4 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. LogitHub AI scan & chat sells 4 in-app purchases, starting at $1.99 per 7 days. TMA iGas asks for nothing beyond the download.

TMA iGas ships an update weekly, LogitHub AI scan & chat every 4 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | TMA iGas | LogitHub AI scan & chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/logithub-ai-scan-and-chat/id6751235601/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 73 MB | 39 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TMA Mobile Solutions (TMS)](https://appshunter.io/developer/397093678) | [David Hurst](https://appshunter.io/developer/1850777860) |

## What reviewers say

### TMA iGas

[App page](https://appshunter.io/ios/app/tma-igas/id6480381233)

**Features:** macOS Compatibility

**In-app purchases:** none


### LogitHub AI scan & chat

[App page](https://appshunter.io/ios/app/logithub-ai-scan-and-chat/id6751235601)

Instantly digitize and organize paper documents into searchable PDFs. Engage in natural language conversations with your files to extract insights, summaries, and answers. Enhance, edit, and securely store your documents for improved productivity.

**Highlights:** Scan and digitize documents, Chat with PDFs for insights, Instant summaries and key points, Organize and manage files, Edit and enhance PDFs, Secure file storage

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Scanner Premium | $1.99 | per 7 days |
| PDF Scanner Premium | $3.99 | per month |
| PDF Scanner Premium | $19.99 | per year |
| PDF Scanner Premium | $37.99 | per year |


## Frequently asked questions

### Is TMA iGas free?

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

### Is LogitHub AI scan & chat free?

LogitHub AI scan & chat is free to download, with in-app purchases available.

### Do TMA iGas or LogitHub AI scan & chat have ads?

Neither TMA iGas nor LogitHub AI scan & chat shows ads.

### Which is updated more often, TMA iGas or LogitHub AI scan & chat?

TMA iGas ships an update weekly, and LogitHub AI scan & chat every 4 months. Most recently, TMA iGas was updated on October 27, 2026 and LogitHub AI scan & chat on October 28, 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.*