# Lottery Probability Calculator vs Permutation Combination

The clearest difference is update cadence: Permutation Combination at every 2 days against Lottery Probability Calculator's every 10 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Lottery Probability Calculator ships an update every 10 months, Permutation Combination every 2 days. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Lottery Probability Calculator | Permutation Combination |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 10 months | **Every 2 days** |
| Monetization | — | Ad-supported |
| Size | 17 MB | 31 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kouji Yamauchi](https://appshunter.io/developer/1519365107) | [HIWAZERO](https://appshunter.io/developer/1621048794) |

## What reviewers say

### Lottery Probability Calculator

[App page](https://appshunter.io/ios/app/lottery-probability-calculator/id6448104037)

**Features:** macOS Compatibility

**In-app purchases:** none


### Permutation Combination

[App page](https://appshunter.io/ios/app/permutation-combination/id6448662601)

Easily calculate permutations and combinations for mathematics and statistics. This tool simplifies complex calculations, helping users save time and improve accuracy in exams and studies.

**Highlights:** Permutation calculations, Combination calculations, Time-saving for exams, Mathematical and statistical use, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lottery Probability Calculator free?

Lottery Probability Calculator is free to download, with no in-app purchases.

### Is Permutation Combination free?

Permutation Combination is free to download, with no in-app purchases.

### Do Lottery Probability Calculator or Permutation Combination have ads?

Both Lottery Probability Calculator and Permutation Combination show ads.

### Which is updated more often, Lottery Probability Calculator or Permutation Combination?

Lottery Probability Calculator ships an update every 10 months, and Permutation Combination every 2 days. Most recently, Lottery Probability Calculator was updated on October 2, 2026 and Permutation Combination on September 30, 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.*