# Speak On. vs Jazzify

The clearest difference is update cadence: Jazzify at every 4 days against Speak On.'s every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Speak On. sells 3 in-app purchases, starting at $9.99 per month and Jazzify sells 2 in-app purchases, starting at $24.99 per month. Whichever you choose, the download price is not the number that matters.

Speak On. ships an update every 5 weeks, Jazzify every 4 days. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Speak On. | Jazzify |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 204 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Moemi Asada](https://appshunter.io/developer/1882213512) | [Toshio Nagayoshi](https://appshunter.io/developer/1884526096) |

## What reviewers say

### Speak On.

[App page](https://appshunter.io/ios/app/speak-on/id6759998646)

This app focuses on improving English speaking fluency by encouraging longer, more detailed responses rather than just grammatical correctness. It uses AI to evaluate specific expressions and provides feedback to help users speak more confidently and elaborately.

**Highlights:** Unlimited speaking practice, AI evaluation of specific expressions, Focus on detailed and practical language, AI overall feedback, Progress visualization with scores and history

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Speak On. サブスクリプション マンスリー | $9.99 | per month |
| Speak On. サブスクリプション 6ヶ月 | $49.99 | per 6 months |
| Speak On. サブスクリプション 1年 | $69.99 | per year |


### Jazzify

[App page](https://appshunter.io/ios/app/jazzify/id6761457001)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Jazzify Premium | $24.99 | per month |
| Jazzify Premium Yearly | $199.99 | per year |


## Frequently asked questions

### Is Speak On. free?

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

### Is Jazzify free?

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

### Do Speak On. or Jazzify have ads?

Neither Speak On. nor Jazzify shows ads.

### Which is updated more often, Speak On. or Jazzify?

Speak On. ships an update every 5 weeks, and Jazzify every 4 days. Most recently, Speak On. was updated on October 7, 2026 and Jazzify on October 18, 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.*