# InnerVoice vs DP

The clearest difference is in-app purchases: DP at none against InnerVoice's 2. InnerVoice's advantage is update cadence (every 2 months vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. InnerVoice sells 2 in-app purchases, starting at $4.99 per month. DP asks for nothing beyond the download.

InnerVoice ships an update every 2 months, DP every 3 months. The most recent releases landed on September 10, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | InnerVoice | DP |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Subscription | — |
| Size | 497 MB | 27 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iTherapy](https://appshunter.io/developer/1126513612) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### InnerVoice

[App page](https://appshunter.io/ios/app/innervoice-aac-for-autism/id730856179)

This app offers interactive learning and communication development for children, parents, educators, and clinicians. It features AI-powered tools for personalized skill-building, therapy, and literacy, with capabilities for generating session notes and analyzing student communication.

**Highlights:** AI-powered communication development, Personalized literacy skill-building, Enhanced chatbot capabilities, Automated session note generation, Communication analysis, Interactive image generation, Job interview practice

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Speech and Language Toolkit | $4.99 | per month |
| InnerVoice Lifetime Access | $99.99 | one-time |


### DP

[App page](https://appshunter.io/ios/app/dp-800-sql-ai-developer-prep/id6772457661)

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

**In-app purchases:** none


## Frequently asked questions

### Is InnerVoice free?

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

### Is DP free?

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

### Do InnerVoice or DP have ads?

Neither InnerVoice nor DP shows ads.

### Which is updated more often, InnerVoice or DP?

InnerVoice ships an update every 2 months, and DP every 3 months. Most recently, InnerVoice was updated on September 10, 2026 and DP on September 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.*