# Discrete Probability vs SSP

The clearest difference is update cadence: Discrete Probability at every 4 days against SSP's every 5 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.

Discrete Probability ships an update every 4 days, SSP every 5 months. The most recent releases landed on October 24, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Discrete Probability | SSP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/discrete-probability/id6752967885/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 months |
| Monetization | Free | — |
| Size | 9 MB | 119 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuri Morozov](https://appshunter.io/developer/1582368813) | [BOSCO SOFT TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1749280683) |

## 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


### SSP

[App page](https://appshunter.io/ios/app/ssp-smart-management/id6755472688)

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

**In-app purchases:** none


## Frequently asked questions

### Is Discrete Probability free?

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

### Is SSP free?

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

### Do Discrete Probability or SSP have ads?

Neither Discrete Probability nor SSP shows ads.

### Which is updated more often, Discrete Probability or SSP?

Discrete Probability ships an update every 4 days, and SSP every 5 months. Most recently, Discrete Probability was updated on October 24, 2026 and SSP on September 26, 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.*