# 新AI脳トレ vs StutterFlow Stuttering Therapy

The clearest difference is in-app purchases: 新AI脳トレ at none against StutterFlow Stuttering Therapy's 3. 新AI脳トレ also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. StutterFlow Stuttering Therapy sells 3 in-app purchases, starting at $9.99 per month. 新AI脳トレ asks for nothing beyond the download.

新AI脳トレ ships an update every 3 weeks, StutterFlow Stuttering Therapy every 9 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 新AI脳トレ | StutterFlow Stuttering Therapy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (2 ratings)](https://appshunter.io/ios/app/stutterflow-stuttering-therapy/id6762919218/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 30 MB | 8 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yusuke Sano](https://appshunter.io/developer/1846508462) | [Aleksandr Chizhevskiy](https://appshunter.io/developer/1564573608) |

## What reviewers say

### 新AI脳トレ

[App page](https://appshunter.io/ios/app/ai/id6759478870)

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

**In-app purchases:** none


### StutterFlow Stuttering Therapy

[App page](https://appshunter.io/ios/app/stutterflow-stuttering-therapy/id6762919218)

This app offers daily speech practice using Delayed Auditory Feedback (DAF) to help individuals who stutter speak more smoothly. It includes tailored exercises for specific sounds and sentences, habit-building features, and progress tracking. The tool is designed for personal practice alongside professional therapy.

**Highlights:** Delayed Auditory Feedback (DAF) modes, Sound and word practice exercises, Sentence and phrase practice, Daily habit building with streaks and medals, Progress tracking and statistics, Personalized content based on user goals

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Yearly Subscription | $39.99 | per year |
| Lifetime Access | $69.99 | one-time |


## Frequently asked questions

### Is 新AI脳トレ free?

新AI脳トレ is free to download, with no in-app purchases.

### Is StutterFlow Stuttering Therapy free?

StutterFlow Stuttering Therapy is free to download, with in-app purchases available.

### Do 新AI脳トレ or StutterFlow Stuttering Therapy have ads?

Neither 新AI脳トレ nor StutterFlow Stuttering Therapy shows ads.

### Which is updated more often, 新AI脳トレ or StutterFlow Stuttering Therapy?

新AI脳トレ ships an update every 3 weeks, and StutterFlow Stuttering Therapy every 9 days. Most recently, 新AI脳トレ was updated on October 31, 2026 and StutterFlow Stuttering Therapy on November 5, 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.*