# IDDSI vs Functional Oral Intake Scale

The clearest difference is price: IDDSI at Free against Functional Oral Intake Scale's $9.99. Functional Oral Intake Scale's advantage is iOS requirement (12.1 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

IDDSI is free to download; Functional Oral Intake Scale costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | IDDSI | Functional Oral Intake Scale |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[1.6 (14 ratings)](https://appshunter.io/ios/app/iddsi/id1145593063/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | — |
| Monetization | Free | — |
| Size | 100 MB | 14 MB |
| Requires iOS | 15.0 | **12.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [International Dysphagia Diet Standardisation Initiative Iddsi](https://appshunter.io/developer/1650465352) | [Florida Dysphagia Institute, LLC](https://appshunter.io/developer/1442599214) |

## What reviewers say

### IDDSI

[App page](https://appshunter.io/ios/app/iddsi/id1145593063)

Access the IDDSI framework for food texture and drink thickness testing. This tool provides easy lookup of descriptors and tests, suitable for all ages and care settings to assist individuals with dysphagia.

**Highlights:** IDDSI framework access, Food texture descriptors, Drink thickness tests, Easy lookup, Applicable to all ages, Supports all care settings

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

**In-app purchases:** none


### Functional Oral Intake Scale

[App page](https://appshunter.io/ios/app/functional-oral-intake-scale/id1485478290)

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

**In-app purchases:** none


## Frequently asked questions

### Is IDDSI free?

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

### Is Functional Oral Intake Scale free?

Functional Oral Intake Scale costs $9.99, with no in-app purchases.

### Do IDDSI or Functional Oral Intake Scale have ads?

Neither IDDSI nor Functional Oral Intake Scale shows ads.

---

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