# Binomial Distribution PRO vs SayItRight

The clearest difference is price: SayItRight at Free against Binomial Distribution PRO's $1.99. SayItRight also leads on update cadence (weekly vs monthly). Binomial Distribution PRO's advantage is in-app purchases (none vs 7) and iOS requirement (15.0 vs 18.0). On ads and device support there is nothing between them.

SayItRight is free to download; Binomial Distribution PRO costs $1.99 up front. SayItRight sells 7 in-app purchases, starting at $0.99 per 7 days. Binomial Distribution PRO asks for nothing beyond the download.

Binomial Distribution PRO ships an update monthly, SayItRight weekly. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Binomial Distribution PRO | SayItRight |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.8 (76 ratings)](https://appshunter.io/ios/app/sayitright-your-speak-buddy/id6736978618/reviews)** |
| Number of ratings | — | **76** |
| Positive reviews | — | 70.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 179 MB | 19 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [Basheer Abdelmalik](https://appshunter.io/developer/1802355490) |

## What reviewers say

### Binomial Distribution PRO

[App page](https://appshunter.io/ios/app/binomial-distribution-pro/id6472450459)

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

**In-app purchases:** none


### SayItRight

[App page](https://appshunter.io/ios/app/sayitright-your-speak-buddy/id6736978618)

Improve your English pronunciation with interactive practice sessions and real-time feedback. Track your progress, adjust difficulty, and listen to your recordings to refine your speech. Master confident speaking with this personalized pronunciation coach.

**Highlights:** Interactive practice sessions, Real-time speech recognition, Progress tracking dashboard, Personalized difficulty levels, Audio playback for comparison, Shareable achievements

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | per 7 days |
| Premium | $4.99 | per 7 days |
| Premium | $6.99 | per month |
| Premium | $6.99 | per month |
| Premium | $14.99 | per year |
| Premium | $49.99 | per year |
| Premium | $89.99 | one-time |


## Frequently asked questions

### Is Binomial Distribution PRO free?

Binomial Distribution PRO costs $1.99, with no in-app purchases.

### Is SayItRight free?

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

### Do Binomial Distribution PRO or SayItRight have ads?

Neither Binomial Distribution PRO nor SayItRight shows ads.

### Which is updated more often, Binomial Distribution PRO or SayItRight?

Binomial Distribution PRO ships an update monthly, and SayItRight weekly. Most recently, Binomial Distribution PRO was updated on October 24, 2026 and SayItRight on October 22, 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.*