# Fluency Calculator vs SLPFlow

The clearest difference is price: SLPFlow at Free against Fluency Calculator's $5.99. SLPFlow also leads on rating (4.8 vs 3.0) and update cadence (every 5 days vs every 6 months). Fluency Calculator's advantage is in-app purchases (none vs 1) and iOS requirement (16.0 vs 18.2). On review sentiment, ads and device support there is nothing between them.

SLPFlow is free to download; Fluency Calculator costs $5.99 up front. SLPFlow sells 1 in-app purchase, starting at $19.99 per month. Fluency Calculator asks for nothing beyond the download.

SLPFlow holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: SLPFlow has 32 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Fluency Calculator ships an update every 6 months, SLPFlow every 5 days. The most recent releases landed on September 18, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Fluency Calculator | SLPFlow |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/fluency-calculator/id914433692/reviews) | **[4.8 (32 ratings)](https://appshunter.io/ios/app/slpflow/id6749707744/reviews)** |
| Number of ratings | 2 | **32** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 days** |
| Monetization | Paid | **Freemium** |
| Size | 3 MB | 10 MB |
| Requires iOS | **16.0** | 18.2 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [JOY VENTURES PTY LTD](https://appshunter.io/developer/914433695) | [James Strong](https://appshunter.io/developer/1767144119) |

## What reviewers say

### Fluency Calculator

[App page](https://appshunter.io/ios/app/fluency-calculator/id914433692)

This tool accurately measures speech fluency by calculating syllables per minute and percentage of syllables stuttered. It offers visual and vibratory feedback for precise tallying, aiding speech pathologists and individuals who stutter.

**Highlights:** Syllables per minute calculation, Percentage syllables stuttered calculation, Visual and vibratory feedback, Apple Watch app, Dark Mode, History and editing, Export functionality

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### SLPFlow

[App page](https://appshunter.io/ios/app/slpflow/id6749707744)

This HIPAA-compliant AI tool assists speech-language pathologists by transcribing sessions and generating SOAP notes, IEP reports, and materials. It allows users to chat with session history for easy editing and new report creation, simplifying speech therapy documentation.

**Highlights:** HIPAA-compliant AI transcription, Automated SOAP notes and IEP reports, Session history chat for editing, Material generation, Speech therapy workflow simplification

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SLPFlow Pro Monthly | $19.99 | per month |


## Frequently asked questions

### Is Fluency Calculator free?

Fluency Calculator costs $5.99, with no in-app purchases.

### Is SLPFlow free?

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

### Which has better reviews, Fluency Calculator or SLPFlow?

SLPFlow is rated higher. Fluency Calculator averages 3.0 out of 5 from 2 ratings, while SLPFlow averages 4.8 from 32 ratings.

### Do Fluency Calculator or SLPFlow have ads?

Neither Fluency Calculator nor SLPFlow shows ads.

### Which is updated more often, Fluency Calculator or SLPFlow?

Fluency Calculator ships an update every 6 months, and SLPFlow every 5 days. Most recently, Fluency Calculator was updated on September 18, 2026 and SLPFlow on September 24, 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.*