# iTongue vs Fast PDF Generating

The clearest difference is device support: iTongue at 3 against Fast PDF Generating's —. Fast PDF Generating's advantage is iOS requirement (15.6 vs 17.0). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | iTongue | Fast PDF Generating |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/itongue/id1580878451/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 28 months | — |
| Monetization | Free | — |
| Size | 3 MB | 5 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [JIACHENG XIE](https://appshunter.io/developer/1580332713) | [VO MAI TRINH](https://appshunter.io/developer/1528110969) |

## What reviewers say

### iTongue

[App page](https://appshunter.io/ios/app/itongue/id1580878451)

Analyze your tongue's appearance by uploading images. Receive a classification result based on the visual data provided. This tool offers a unique way to understand tongue characteristics.

**Highlights:** Tongue image upload, Classification results, User-friendly interface, Health insights

**Features:** macOS Compatibility

**In-app purchases:** none


### Fast PDF Generating

[App page](https://appshunter.io/ios/app/fast-pdf-generating/id6480110664)

**In-app purchases:** none


## Frequently asked questions

### Is iTongue free?

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

### Is Fast PDF Generating free?

Fast PDF Generating is free to download, with no in-app purchases.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*