# Paresis/Paralysis vs LispApp

The clearest difference is price: LispApp at Free against Paresis/Paralysis's $4.99. LispApp also leads on update cadence (every 11 days vs every 34 months). Paresis/Paralysis's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 13.0). On rating, ratings volume, ads and device support there is nothing between them.

LispApp is free to download; Paresis/Paralysis costs $4.99 up front. LispApp sells 1 in-app purchase, starting at $34.99 per month. Paresis/Paralysis asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Paresis/Paralysis against 5.0 for LispApp. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Paresis/Paralysis ships an update every 34 months, LispApp every 11 days. The most recent releases landed on October 23, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Paresis/Paralysis | LispApp |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/paresisparalysis/id644770466/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/lispapp-language-therapy/id6743806577/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 11 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 94 MB | 145 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blue Tree Publishing, Inc.](https://appshunter.io/developer/496143325) | [ArraTreeni Oy](https://appshunter.io/developer/1345435068) |

## What reviewers say

### Paresis/Paralysis

[App page](https://appshunter.io/ios/app/paresisparalysis/id644770466)

This educational app provides detailed visual and auditory learning resources for vocal pathologies like paralysis and paresis. It features videos, animations, and audio clips to help students, patients, and professionals understand and teach these conditions.

**Highlights:** Videos of vocal fold disorders, Audio clips of patient readings, Animated vocal fold illustrations, Structure identification, Zoom and pan functionality, Play/pause/stop controls

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

**In-app purchases:** none


### LispApp

[App page](https://appshunter.io/ios/app/lispapp-language-therapy/id6743806577)

This app offers interactive exercises and games to help children and teenagers practice and improve the pronunciation of the /s/ sound. Developed with speech-language pathologists, it follows proven therapeutic methods for effective home practice.

**Highlights:** Interactive /s/ sound exercises, Auditory bombardment, Listening for /s/ discrimination, Oral motor skill practice, Shaping /s/ sound production, Syllable and word practice

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LispApp monthly subscription. | $34.99 | per month |


## Frequently asked questions

### Is Paresis/Paralysis free?

Paresis/Paralysis costs $4.99, with no in-app purchases.

### Is LispApp free?

LispApp is free to download, with in-app purchases available.

### Which has better reviews, Paresis/Paralysis or LispApp?

Paresis/Paralysis and LispApp are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Paresis/Paralysis or LispApp have ads?

Neither Paresis/Paralysis nor LispApp shows ads.

### Which is updated more often, Paresis/Paralysis or LispApp?

Paresis/Paralysis ships an update every 34 months, and LispApp every 11 days. Most recently, Paresis/Paralysis was updated on October 23, 2026 and LispApp 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.*