# Zbor Na Den vs Binomial Probability P(X=k)

The clearest difference is in-app purchases: Zbor Na Den at none against Binomial Probability P(X=k)'s 8. Zbor Na Den also leads on iOS requirement (10.0 vs 15.0). Binomial Probability P(X=k)'s advantage is update cadence (every 3 weeks vs every 38 months). On price, ads and device support there is nothing between them.

Both are free to download. Binomial Probability P(X=k) sells 8 one-off in-app purchases. Zbor Na Den asks for nothing beyond the download.

Zbor Na Den ships an update every 38 months, Binomial Probability P(X=k) every 3 weeks. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Zbor Na Den | Binomial Probability P(X=k) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/zbor-na-den/id1213708034/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 20 MB | 180 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Amni LLC](https://appshunter.io/developer/1128632736) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### Zbor Na Den

[App page](https://appshunter.io/ios/app/zbor-na-den/id1213708034)

Learn 8 languages with a vocabulary of over 10,000 words. Features audio pronunciation for each word and optional daily notifications for a word of the day to aid your learning journey.

**Highlights:** Learn 8 languages, Over 10,000 words, Audio pronunciation, Daily word notifications, Supports English, French, Spanish, Russian, Chinese, Italian, Japanese, German

**Features:** macOS Compatibility

**In-app purchases:** none


### Binomial Probability P(X=k)

[App page](https://appshunter.io/ios/app/binomial-probability-pxk/id6472449007)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Lifetime Access | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Zbor Na Den free?

Zbor Na Den is free to download, with no in-app purchases.

### Is Binomial Probability P(X=k) free?

Binomial Probability P(X=k) is free to download, with in-app purchases available.

### Do Zbor Na Den or Binomial Probability P(X=k) have ads?

Neither Zbor Na Den nor Binomial Probability P(X=k) shows ads.

### Which is updated more often, Zbor Na Den or Binomial Probability P(X=k)?

Zbor Na Den ships an update every 38 months, and Binomial Probability P(X=k) every 3 weeks. Most recently, Zbor Na Den was updated on October 20, 2026 and Binomial Probability P(X=k) on October 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.*