# Discrete Probability vs Odisha Air Map

The clearest difference is update cadence: Discrete Probability at every 4 days against Odisha Air Map's every 9 days. Odisha Air Map's advantage is iOS requirement (13.0 vs 16.6). 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.

Discrete Probability ships an update every 4 days, Odisha Air Map every 9 days. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Discrete Probability | Odisha Air Map |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/discrete-probability/id6752967885/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 9 days |
| Monetization | Free | — |
| Size | 9 MB | 30 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuri Morozov](https://appshunter.io/developer/1582368813) | [Jayesh Mahato](https://appshunter.io/developer/1727329696) |

## What reviewers say

### Discrete Probability

[App page](https://appshunter.io/ios/app/discrete-probability/id6752967885)

This app provides a comprehensive tool for learning and calculating discrete probability distributions. It includes formulas with derivations, visual tools like histograms, and descriptions of optimized computation methods. It covers general concepts and several specific distributions.

**Highlights:** User-friendly calculator, Formulas with derivations, Exportable formulas (image/LaTeX), Optimized computation methods, Histograms and visual tools, General concepts and specific distributions

**In-app purchases:** none


### Odisha Air Map

[App page](https://appshunter.io/ios/app/odisha-air-map/id6758452235)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Discrete Probability free?

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

### Is Odisha Air Map free?

Odisha Air Map is free to download, with no in-app purchases.

### Do Discrete Probability or Odisha Air Map have ads?

Neither Discrete Probability nor Odisha Air Map shows ads.

### Which is updated more often, Discrete Probability or Odisha Air Map?

Discrete Probability ships an update every 4 days, and Odisha Air Map every 9 days. Most recently, Discrete Probability was updated on October 13, 2026 and Odisha Air Map on October 9, 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.*