# Binomial Probability P(X=k) vs Math Solver AI

The clearest difference is update cadence: Binomial Probability P(X=k) at every 3 weeks against Math Solver AI's every 2 months. On price, ads, in-app purchases 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 and Math Solver AI sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Binomial Probability P(X=k) ships an update every 3 weeks, Math Solver AI every 2 months. The most recent releases landed on August 15, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Binomial Probability P(X=k) | Math Solver AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (6 ratings)](https://appshunter.io/ios/app/math-solver-ai-photo-scanner/id6682705979/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 180 MB | 38 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [Berkay Gemici](https://appshunter.io/developer/1761248495) |

## What reviewers say

### 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 |


### Math Solver AI

[App page](https://appshunter.io/ios/app/math-solver-ai-photo-scanner/id6682705979)

This AI-powered tool solves complex math problems from algebra to calculus instantly. Snap a photo of your math question and receive a step-by-step explanation to help you understand the solution process.

**Highlights:** AI-powered math problem solving, Instant solutions via photo, Step-by-step reasoning, Supports algebra, calculus, geometry, User-friendly interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $4.99 | per 7 days |
| Yearly | $29.99 | per year |
| Yearly Pro | $59.99 | per year |


## Frequently asked questions

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

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

### Is Math Solver AI free?

Math Solver AI is free to download, with in-app purchases available.

### Do Binomial Probability P(X=k) or Math Solver AI have ads?

Neither Binomial Probability P(X=k) nor Math Solver AI shows ads.

### Which is updated more often, Binomial Probability P(X=k) or Math Solver AI?

Binomial Probability P(X=k) ships an update every 3 weeks, and Math Solver AI every 2 months. Most recently, Binomial Probability P(X=k) was updated on August 15, 2026 and Math Solver AI on September 18, 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.*