# Probability Calculator Plus vs LEXEphant

The clearest difference is price: LEXEphant at Free against Probability Calculator Plus's $2.99. LEXEphant also leads on update cadence (every 2 days vs every 23 months) and iOS requirement (15.0 vs 17.6). Probability Calculator Plus's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

LEXEphant is free to download; Probability Calculator Plus costs $2.99 up front. LEXEphant sells 2 in-app purchases, starting at $5.99 per month. Probability Calculator Plus asks for nothing beyond the download.

Probability Calculator Plus ships an update every 23 months, LEXEphant every 2 days. The most recent releases landed on October 8, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Probability Calculator Plus | LEXEphant |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/probability-calculator-plus/id1625628315/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 2 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 20 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Heng Jia Liang](https://appshunter.io/developer/1532000635) | [Declan Software](https://appshunter.io/developer/932750266) |

## What reviewers say

### Probability Calculator Plus

[App page](https://appshunter.io/ios/app/probability-calculator-plus/id1625628315)

Master probability and statistics with instant, step-by-step solutions for various calculations and distributions. Includes a random experiment simulator and a comprehensive reference guide.

**Highlights:** Basic and conditional probability calculations, Venn diagram calculator with visual representation, Statistical distributions (Binomial, Normal, Poisson), Random experiment simulator (dice, coins, cards), Step-by-step solutions for all calculations, Calculation history and reference guide

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

**In-app purchases:** none


### LEXEphant

[App page](https://appshunter.io/ios/app/lexephant/id6477756405)

This AI-powered language learning companion helps you master new languages by adding and reviewing words and phrases. It offers features like speech-to-text, camera scanning, AI translation, and pronunciation, with support for 14 languages.

**Highlights:** Speech-to-text phrase input, Camera scanning for text recognition, AI bidirectional translation, AI audio pronunciation, AI phrase grammatical analysis, Swipe review system, 14 language support

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One (1) month subscription | $5.99 | per month |
| One (1) year subscription | $49.99 | per year |


## Frequently asked questions

### Is Probability Calculator Plus free?

Probability Calculator Plus costs $2.99, with no in-app purchases.

### Is LEXEphant free?

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

### Do Probability Calculator Plus or LEXEphant have ads?

Neither Probability Calculator Plus nor LEXEphant shows ads.

### Which is updated more often, Probability Calculator Plus or LEXEphant?

Probability Calculator Plus ships an update every 23 months, and LEXEphant every 2 days. Most recently, Probability Calculator Plus was updated on October 8, 2026 and LEXEphant 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.*