# Probability vs Gacha calculator

The clearest difference is review sentiment: Gacha calculator at 100% against Probability's 0%. Gacha calculator also leads on in-app purchases (none vs 1). Probability's advantage is iOS requirement (14.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Probability sells 1 one-off in-app purchase. Gacha calculator asks for nothing beyond the download.

## The numbers

| Metric | Probability | Gacha calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/probability-easy-and-practical/id1625073969/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 166 MB | 1 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Man Hung Sun](https://appshunter.io/developer/1471605573) | [Spica](https://appshunter.io/developer/376815594) |

## What reviewers say

### Probability

[App page](https://appshunter.io/ios/app/probability-easy-and-practical/id1625073969)

Enhance your decision-making skills by learning to assess probabilities with this app. It offers formulas for problem-solving, note-taking capabilities, and interactive tools like dice and coin tosses for practical learning.

**Highlights:** Probability assessment, Decision-making improvement, Problem-solving formulas, Personalized notes, Dice and coin toss simulations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade | $0.99 | one-time |


### Gacha calculator

[App page](https://appshunter.io/ios/app/gacha-calculator/id6502886407)

This utility helps players estimate gacha pulls, quantities, and costs needed to acquire specific in-game items. It provides a powerful tool for managing in-game currency and understanding probabilities.

**Highlights:** Calculate pull probabilities, Estimate item quantities, Determine required pulls, Calculate estimated costs, Supports gacha games

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

**In-app purchases:** none


## Frequently asked questions

### Is Probability free?

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

### Is Gacha calculator free?

Gacha calculator is free to download, with no in-app purchases.

### Do Probability or Gacha calculator have ads?

Neither Probability nor Gacha calculator shows ads.

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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.*