# Dysphagia vs IDDSI

The clearest difference is review sentiment: Dysphagia at 80% against IDDSI's 0%. Dysphagia also leads on rating (3.8 vs 1.6). IDDSI's advantage is price (Free vs $9.99). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

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

Dysphagia holds the better App Store score, 3.8 against 1.6. Both are backed by a comparable volume of ratings — 16 and 14 respectively. Written reviews point the same way: 80% of Dysphagia's written reviews are positive against 0% of IDDSI's.

Dysphagia ships an update every 11 months, IDDSI every 21 months. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Dysphagia | IDDSI |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[3.8 (16 ratings)](https://appshunter.io/ios/app/dysphagia/id494326380/reviews)** | [1.6 (14 ratings)](https://appshunter.io/ios/app/iddsi/id1145593063/reviews) |
| Number of ratings | **16** | 14 |
| Positive reviews | **80.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 21 months |
| Monetization | Paid | **Free** |
| Size | 282 MB | 100 MB |
| Requires iOS | **14.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Northern Speech Services, Inc](https://appshunter.io/developer/492295770) | [International Dysphagia Diet Standardisation Initiative Iddsi](https://appshunter.io/developer/1650465352) |

## What reviewers say

### Dysphagia

[App page](https://appshunter.io/ios/app/dysphagia/id494326380)

This app provides detailed animations of normal and impaired swallowing physiology, based on MBSImP™ research. It serves as a visual aid for professionals to educate patients and families about swallowing disorders. Features include zoom, slow motion, and frame-by-frame playback.

**Highlights:** Swallowing physiology animations, Normal and impaired swallow examples, MBSImP™ research derived, Zoom, slow motion, pause controls, Frame-by-frame playback, Links to educational resources

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Dysphagia free?

Dysphagia costs $9.99, with no in-app purchases.

### Is IDDSI free?

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

### Which has better reviews, Dysphagia or IDDSI?

Dysphagia is rated higher. Dysphagia averages 3.8 out of 5 from 16 ratings, while IDDSI averages 1.6 from 14 ratings.

### Do Dysphagia or IDDSI have ads?

Neither Dysphagia nor IDDSI shows ads.

### Which is updated more often, Dysphagia or IDDSI?

Dysphagia ships an update every 11 months, and IDDSI every 21 months. Most recently, Dysphagia was updated on October 16, 2026 and IDDSI on October 14, 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.*