# LispApp vs My Mater Dei

The clearest difference is in-app purchases: My Mater Dei at none against LispApp's 1. My Mater Dei also leads on ratings volume (9 vs 1). LispApp's advantage is iOS requirement (13.0 vs 26.2). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. LispApp sells 1 in-app purchase, starting at $34.99 per month. My Mater Dei asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for LispApp against 5.0 for My Mater Dei. That said, the two scores are not equally well evidenced: My Mater Dei has 9 ratings behind it against 1, so its average is the more settled of the two.

LispApp ships an update every 11 days, My Mater Dei every 2 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | LispApp | My Mater Dei |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/lispapp-language-therapy/id6743806577/reviews) | [5.0 (9 ratings)](https://appshunter.io/ios/app/my-mater-dei/id6771154634/reviews) |
| Number of ratings | 1 | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 145 MB | 15 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ArraTreeni Oy](https://appshunter.io/developer/1345435068) | [Ani Mirzoyan](https://appshunter.io/developer/1896773036) |

## What reviewers say

### 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 |


### My Mater Dei

[App page](https://appshunter.io/ios/app/my-mater-dei/id6771154634)

This app helps students and parents organize their school year by tracking schedules, activities, and events. It offers a clean interface to manage daily classes and important school dates, reducing stress.

**Highlights:** Track daily schedules, Manage extracurricular activities, Monitor school events, Distraction-free interface, Organize class schedules, Stay informed about holidays

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

**In-app purchases:** none


## Frequently asked questions

### Is LispApp free?

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

### Is My Mater Dei free?

My Mater Dei is free to download, with no in-app purchases.

### Which has better reviews, LispApp or My Mater Dei?

LispApp and My Mater Dei are both rated 5.0 out of 5 on the App Store, from 1 and 9 ratings respectively.

### Do LispApp or My Mater Dei have ads?

Neither LispApp nor My Mater Dei shows ads.

### Which is updated more often, LispApp or My Mater Dei?

LispApp ships an update every 11 days, and My Mater Dei every 2 weeks. Most recently, LispApp was updated on October 30, 2026 and My Mater Dei on October 31, 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.*