# Mohr's Circle vs Statistics Calculator++

The clearest difference is rating: Statistics Calculator++ at 4.1 against Mohr's Circle's 3.3. Statistics Calculator++ also leads on update cadence (every 3 weeks vs every 15 months) and ratings volume (309 vs 3). Mohr's Circle's advantage is chart position (#191 vs unranked) and iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Mohr's Circle costs $5.99 and Statistics Calculator++ $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Statistics Calculator++ holds the better App Store score, 4.1 against 3.3. That said, the two scores are not equally well evidenced: Statistics Calculator++ has 309 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 43% of Mohr's Circle's written reviews are positive against 63% of Statistics Calculator++'s.

Mohr's Circle ships an update every 15 months, Statistics Calculator++ every 3 weeks. The most recent releases landed on September 16, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Mohr's Circle | Statistics Calculator++ |
| --- | --- | --- |
| Price | $5.99 | **$0.99** |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/mohrs-circle/id395110520/reviews) | **[4.1 (309 ratings)](https://appshunter.io/ios/app/statistics-calculator-plus-plus/id539195343/reviews)** |
| Number of ratings | 3 | **309** |
| Positive reviews | 42.9% of reviews | **62.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | **#191** | — |
| Size | 8 MB | 4 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [J.R.Hobbs](https://appshunter.io/developer/395110523) | [Dogahe](https://appshunter.io/developer/468657946) |

## What reviewers say

### Mohr's Circle

[App page](https://appshunter.io/ios/app/mohrs-circle/id395110520)

**Currently charting:** #191 Top Paid · Utilities (US App Store)

This application assists users in performing Mohr's Circle calculations and verifying their diagrams. It offers solutions for 2D plane stress, calculates various stress values, and generates graphical representations of stress states. Users can also share results and store multiple stress states.

**Highlights:** 2D Plane Stress Mohr's Circle Solutions, Max, Min, and Shear Stress Calculations, Principal Stress Plane Angle, Mohr's Circle Diagram, Stress State Rotation Views, Shareable Results, Unit Conversion (English/Metric)

**Features:** Vision Pro support

**In-app purchases:** none


### Statistics Calculator++

[App page](https://appshunter.io/ios/app/statistics-calculator-plus-plus/id539195343)

Perform advanced statistical analysis, including regression and probability distributions, with ease. Visualize data through plots and tables, and save or import datasets from spreadsheets. Offers a wide range of calculations beyond core statistics.

**Highlights:** Data entry and analysis table, Box and whisker plots and histograms, Linear, logarithmic, exponential, power, quadratic regressions, Save and import data from Excel/Numbers, Normal, t, Chi-Squared, F, Binomial, Poisson distributions, Confidence intervals and hypothesis tests, Fraction manipulation, angle conversions, solvers

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and intuitive interface
- 📊 Comprehensive statistics and regression functionality
- 💰 Affordable pricing
- 🎨 Good visual design and graphics
- 📈 Multiple regression models available

**What reviewers complain about**

- 🐛 App freezes during use
- ❌ Limited equation/function options
- 🧭 Poor navigation and confusing layout
- 📖 Lack of clear instructions or user manual
- 💳 Additional in-app purchases required for full features

**Reported bugs**

- App freezes after brief use
- Statistics section won't open
- Incompatibility with iOS 7
- Random number generator produces predetermined sequences
- Landscape/portrait mode switching issues

**Requested features**

- User manual or tutorial documentation
- Ability to input custom quantiles and critical values
- Support for Z-score input in normal distribution
- Streamlined data clearing process
- Quadratic and advanced regression options


## Frequently asked questions

### Is Mohr's Circle free?

Mohr's Circle costs $5.99, with no in-app purchases.

### Is Statistics Calculator++ free?

Statistics Calculator++ costs $0.99, with no in-app purchases.

### Which has better reviews, Mohr's Circle or Statistics Calculator++?

Statistics Calculator++ is rated higher. Mohr's Circle averages 3.3 out of 5 from 3 ratings, while Statistics Calculator++ averages 4.1 from 309 ratings.

### Do Mohr's Circle or Statistics Calculator++ have ads?

Neither Mohr's Circle nor Statistics Calculator++ shows ads.

### Which is updated more often, Mohr's Circle or Statistics Calculator++?

Mohr's Circle ships an update every 15 months, and Statistics Calculator++ every 3 weeks. Most recently, Mohr's Circle was updated on September 16, 2026 and Statistics Calculator++ on September 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.*