# Bilingual Beginners Book vs Bernoulli Process PRO

The clearest difference is update cadence: Bernoulli Process PRO at monthly against Bilingual Beginners Book's every 40 months. Bernoulli Process PRO also leads on price ($1.99 vs $3.99) and device support (3 vs 1). Bilingual Beginners Book's advantage is iOS requirement (13.0 vs 15.0). On ads and in-app purchases there is nothing between them.

Bilingual Beginners Book costs $3.99 and Bernoulli Process PRO $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Bilingual Beginners Book ships an update every 40 months, Bernoulli Process PRO monthly. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Bilingual Beginners Book | Bernoulli Process PRO |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Monthly** |
| Size | 465 MB | 179 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CogWrite Learning Analytics LLC](https://appshunter.io/developer/410496428) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### Bilingual Beginners Book

[App page](https://appshunter.io/ios/app/bilingual-beginners-book/id633008779)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bernoulli Process PRO

[App page](https://appshunter.io/ios/app/bernoulli-process-pro/id6472449062)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bilingual Beginners Book free?

Bilingual Beginners Book costs $3.99, with no in-app purchases.

### Is Bernoulli Process PRO free?

Bernoulli Process PRO costs $1.99, with no in-app purchases.

### Do Bilingual Beginners Book or Bernoulli Process PRO have ads?

Neither Bilingual Beginners Book nor Bernoulli Process PRO shows ads.

### Which is updated more often, Bilingual Beginners Book or Bernoulli Process PRO?

Bilingual Beginners Book ships an update every 40 months, and Bernoulli Process PRO monthly. Most recently, Bilingual Beginners Book was updated on October 10, 2026 and Bernoulli Process PRO on October 11, 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.*