# IDDSI vs Advanced Language Therapy Lite

The clearest difference is review sentiment: Advanced Language Therapy Lite at 50% against IDDSI's 0%. Advanced Language Therapy Lite also leads on rating (4.7 vs 1.6) and update cadence (every 4 months vs every 21 months). IDDSI's advantage is monetization model (free vs free with in-app purchases). On price, ads, in-app purchases and device support there is nothing between them.

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

Advanced Language Therapy Lite holds the better App Store score, 4.7 against 1.6. That said, the two scores are not equally well evidenced: Advanced Language Therapy Lite has 589 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 0% of IDDSI's written reviews are positive against 50% of Advanced Language Therapy Lite's.

IDDSI ships an update every 21 months, Advanced Language Therapy Lite every 4 months. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | IDDSI | Advanced Language Therapy Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (14 ratings)](https://appshunter.io/ios/app/iddsi/id1145593063/reviews) | **[4.7 (589 ratings)](https://appshunter.io/ios/app/advanced-language-therapy-lite/id1428256136/reviews)** |
| Number of ratings | 14 | **589** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 4 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 100 MB | 102 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [International Dysphagia Diet Standardisation Initiative Iddsi](https://appshunter.io/developer/1650465352) | [Tactus Therapy Solutions Ltd.](https://appshunter.io/developer/438070002) |

## 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


### Advanced Language Therapy Lite

[App page](https://appshunter.io/ios/app/advanced-language-therapy-lite/id1428256136)

This app offers a free sample of four advanced speech therapy applications designed to improve language skills for individuals with aphasia or cognitive-communication impairments. It provides practice in comprehension, naming, reading, and writing through various evidence-based activities.

**Highlights:** Advanced comprehension practice, Word-finding skill improvement, Paragraph-level reading practice, Typing and writing exercises, Evidence-based therapy techniques

**In-app purchases:** none


## Frequently asked questions

### Is IDDSI free?

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

### Is Advanced Language Therapy Lite free?

Advanced Language Therapy Lite is free to download, with no in-app purchases.

### Which has better reviews, IDDSI or Advanced Language Therapy Lite?

Advanced Language Therapy Lite is rated higher. IDDSI averages 1.6 out of 5 from 14 ratings, while Advanced Language Therapy Lite averages 4.7 from 589 ratings.

### Do IDDSI or Advanced Language Therapy Lite have ads?

Neither IDDSI nor Advanced Language Therapy Lite shows ads.

### Which is updated more often, IDDSI or Advanced Language Therapy Lite?

IDDSI ships an update every 21 months, and Advanced Language Therapy Lite every 4 months. Most recently, IDDSI was updated on September 23, 2026 and Advanced Language Therapy Lite on September 19, 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.*