# StutterFlow Stuttering Therapy vs PreCalm

StutterFlow Stuttering Therapy and PreCalm are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. StutterFlow Stuttering Therapy sells 3 in-app purchases, starting at $9.99 per month and PreCalm sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

StutterFlow Stuttering Therapy ships an update every 9 days, PreCalm every 10 days. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | StutterFlow Stuttering Therapy | PreCalm |
| --- | --- | --- |
| 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 | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 10 days |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 67 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandr Chizhevskiy](https://appshunter.io/developer/1564573608) | [Equilibelle App Solutions](https://appshunter.io/developer/1811014998) |

## What reviewers say

### 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 |


### PreCalm

[App page](https://appshunter.io/ios/app/precalm-public-speaking/id6797151444)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Founding Pro — Lifetime Access | $14.99 | one-time |


## Frequently asked questions

### Is StutterFlow Stuttering Therapy free?

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

### Is PreCalm free?

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

### Do StutterFlow Stuttering Therapy or PreCalm have ads?

Neither StutterFlow Stuttering Therapy nor PreCalm shows ads.

### Which is updated more often, StutterFlow Stuttering Therapy or PreCalm?

StutterFlow Stuttering Therapy ships an update every 9 days, and PreCalm every 10 days. Most recently, StutterFlow Stuttering Therapy was updated on October 24, 2026 and PreCalm on October 12, 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.*