# GCD and LCM vs Probability Calculator Plus

The clearest difference is rating: Probability Calculator Plus at 3.7 against GCD and LCM's 2.0. Probability Calculator Plus also leads on price ($2.99 vs $3.99). GCD and LCM's advantage is device support (4 vs 2) and iOS requirement (12.0 vs 17.6). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

GCD and LCM costs $3.99 and Probability Calculator Plus $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Probability Calculator Plus holds the better App Store score, 3.7 against 2.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

GCD and LCM ships an update every 19 months, Probability Calculator Plus every 23 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | GCD and LCM | Probability Calculator Plus |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Rating | [2.0 (2 ratings)](https://appshunter.io/ios/app/gcd-and-lcm/id603026694/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/probability-calculator-plus/id1625628315/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 19 months** | Every 23 months |
| Monetization | Paid | Paid |
| Size | 14 MB | 1 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Intemodino Group s.r.o.](https://appshunter.io/developer/557849644) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### GCD and LCM

[App page](https://appshunter.io/ios/app/gcd-and-lcm/id603026694)

This app calculates the Greatest Common Divisor (GCD) and Least Common Multiple (LCM) for up to four numbers. It also provides prime factorization and keeps a history of calculations, which can be emailed.

**Highlights:** Calculates GCD/GCF for 2-4 numbers, Calculates LCM for 2-4 numbers, Finds prime factorization, Stores calculation history, Sends results and history via email, Supports portrait and landscape modes

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is GCD and LCM free?

GCD and LCM costs $3.99, with no in-app purchases.

### Is Probability Calculator Plus free?

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

### Which has better reviews, GCD and LCM or Probability Calculator Plus?

Probability Calculator Plus is rated higher. GCD and LCM averages 2.0 out of 5 from 2 ratings, while Probability Calculator Plus averages 3.7 from 3 ratings.

### Do GCD and LCM or Probability Calculator Plus have ads?

Neither GCD and LCM nor Probability Calculator Plus shows ads.

### Which is updated more often, GCD and LCM or Probability Calculator Plus?

GCD and LCM ships an update every 19 months, and Probability Calculator Plus every 23 months. Most recently, GCD and LCM was updated on October 23, 2026 and Probability Calculator Plus on October 24, 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.*