# Stardust 英会話 vs Speak On.

The clearest difference is review sentiment: Stardust 英会話 at 100% against Speak On.'s 44%. Stardust 英会話 also leads on update cadence (weekly vs every 3 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Stardust 英会話 sells 1 one-off in-app purchase and Speak On. sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Stardust 英会話 ships an update weekly, Speak On. every 3 weeks. The most recent releases landed on August 26, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Stardust 英会話 | Speak On. |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 44.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 49 MB | 40 MB |
| Requires iOS | 16.1 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shuto Goto](https://appshunter.io/developer/1558406144) | [Moemi Asada](https://appshunter.io/developer/1882213512) |

## What reviewers say

### Stardust 英会話

[App page](https://appshunter.io/ios/app/stardust/id6470121854)

Learn natural, everyday English phrases that are commonly used by native speakers but not typically taught in schools. Overcome the frustration of not understanding simple words due to idiomatic expressions and gain confidence in your conversational skills.

**Highlights:** Learn native English phrases, Master idiomatic expressions, Improve daily conversation, Gain speaking confidence, Understand natural speech

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全ての機能を使用可能 | $6.99 | one-time |


### 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 |


## Frequently asked questions

### Is Stardust 英会話 free?

Stardust 英会話 is free to download, with in-app purchases available.

### Is Speak On. free?

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

### Do Stardust 英会話 or Speak On. have ads?

Neither Stardust 英会話 nor Speak On. shows ads.

### Which is updated more often, Stardust 英会話 or Speak On.?

Stardust 英会話 ships an update weekly, and Speak On. every 3 weeks. Most recently, Stardust 英会話 was updated on August 26, 2026 and Speak On. on September 19, 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.*