# Speech King vs SpeakFlow AI Shadowing

The clearest difference is in-app purchases: Speech King at none against SpeakFlow AI Shadowing's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SpeakFlow AI Shadowing sells 2 in-app purchases, starting at $2.99 per month. Speech King asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Speech King | SpeakFlow AI Shadowing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/speech-king/id914194689/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free | — |
| Size | 21 MB | 14 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Big O, LLC.](https://appshunter.io/developer/1082580096) | [Shota Iwamatsu](https://appshunter.io/developer/1831883201) |

## What reviewers say

### Speech King

[App page](https://appshunter.io/ios/app/speech-king/id914194689)

Alter your voice to sound like anyone you desire. This app uses acoustic sound memory to help you train vocalization and pronunciation by repeating sounds and comparing your speech to the original.

**Highlights:** Change your voice, Practice pronunciation, Acoustic sound memory training, Compare original and your speech, Targeted phonetic sound groups

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

**In-app purchases:** none


### SpeakFlow AI Shadowing

[App page](https://appshunter.io/ios/app/speakflow-ai-shadowing/id6749724544)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan (Monthly) | $2.99 | per month |
| Premium Plan (Annual) | $29.99 | per year |


## Frequently asked questions

### Is Speech King free?

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

### Is SpeakFlow AI Shadowing free?

SpeakFlow AI Shadowing is free to download, with in-app purchases available.

### Do Speech King or SpeakFlow AI Shadowing have ads?

Neither Speech King nor SpeakFlow AI Shadowing shows ads.

### Which is updated more often, Speech King or SpeakFlow AI Shadowing?

Speech King ships an update every 2 weeks, and SpeakFlow AI Shadowing every 2 weeks. Most recently, Speech King was updated on September 20, 2026 and SpeakFlow AI Shadowing on September 10, 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.*