# Sona Speech vs GridNote SLP

The clearest difference is in-app purchases: Sona Speech at none against GridNote SLP's 1. Sona Speech also leads on iOS requirement (15.0 vs 18.0). GridNote SLP's advantage is update cadence (every 3 days vs every 10 days). On price, ads and device support there is nothing between them.

Both are free to download. GridNote SLP sells 1 one-off in-app purchase. Sona Speech asks for nothing beyond the download.

Sona Speech ships an update every 10 days, GridNote SLP every 3 days. Both last shipped on September 29, 2026.

## The numbers

| Metric | Sona Speech | GridNote SLP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/sona-speech/id6785755867/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 35 MB | 3 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Travis Wardrop](https://appshunter.io/developer/6785755869) | [SETH MICHAEL HADLEY](https://appshunter.io/developer/6804568251) |

## What reviewers say

### Sona Speech

[App page](https://appshunter.io/ios/app/sona-speech/id6785755867)

This app transforms at-home speech practice into engaging games for children, guided by a pediatric speech-language pathologist. It offers various playful activities designed to help children practice specific speech sounds, with a parent-controlled section for progress tracking and customization.

**Highlights:** Playful speech practice games, Child-friendly bird character, Targeted speech sound practice, Age-appropriate game modes, Parental control and progress tracking, Developed with speech-language pathologist

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

**In-app purchases:** none


### GridNote SLP

[App page](https://appshunter.io/ios/app/gridnote-slp/id6806736586)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GridNote Unlock | $9.99 | one-time |


## Frequently asked questions

### Is Sona Speech free?

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

### Is GridNote SLP free?

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

### Do Sona Speech or GridNote SLP have ads?

Neither Sona Speech nor GridNote SLP shows ads.

### Which is updated more often, Sona Speech or GridNote SLP?

Sona Speech ships an update every 10 days, and GridNote SLP every 3 days. Most recently, Sona Speech was updated on September 29, 2026 and GridNote SLP on September 29, 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.*