# Statistics Calculator+++ vs Open Pi

The clearest difference is price: Open Pi at Free against Statistics Calculator+++'s $2.99. Open Pi also leads on update cadence (weekly vs every 13 months) and review sentiment (100% vs 73%). Statistics Calculator+++'s advantage is in-app purchases (none vs 2) and ratings volume (46 vs 9). On rating, ads, monetization model and device support there is nothing between them.

Open Pi is free to download; Statistics Calculator+++ costs $2.99 up front. Open Pi sells 2 one-off in-app purchases. Statistics Calculator+++ asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.3 for Statistics Calculator+++ against 4.4 for Open Pi. That said, the two scores are not equally well evidenced: Statistics Calculator+++ has 46 ratings behind it against 9, so its average is the more settled of the two. Written reviews are what separate them: 73% of Statistics Calculator+++'s written reviews are positive against 100% of Open Pi's.

Statistics Calculator+++ ships an update every 13 months, Open Pi weekly. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Statistics Calculator+++ | Open Pi |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.3 (46 ratings)](https://appshunter.io/ios/app/statistics-calculator-plus-plus-plus/id568120619/reviews) | **[4.4 (9 ratings)](https://appshunter.io/ios/app/open-pi-raspberry-pi-manager/id6762019524/reviews)** |
| Number of ratings | **46** | 9 |
| Positive reviews | 73.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Weekly** |
| Monetization | Paid | Paid |
| Size | 4 MB | 43 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Dogahe](https://appshunter.io/developer/468657946) | [Artem Svitelskyi](https://appshunter.io/developer/1892488801) |

## What reviewers say

### Statistics Calculator+++

[App page](https://appshunter.io/ios/app/statistics-calculator-plus-plus-plus/id568120619)

Perform advanced statistical calculations, including regression analysis, probability distributions, and hypothesis tests. Easily input data, visualize results with plots, and import data from spreadsheets. Offers a user-friendly interface for complex statistical operations.

**Highlights:** Statistical calculations, Regression analysis, Probability distributions, Confidence intervals, Hypothesis tests, Data visualization plots, Import data from CSV

**In-app purchases:** none


### Open Pi

[App page](https://appshunter.io/ios/app/open-pi-raspberry-pi-manager/id6762019524)

Manage your Raspberry Pi devices remotely without cloud services. Monitor system health, control Docker, run commands, transfer files, and manage GPIO from a modern, privacy-focused interface.

**Highlights:** Real-time system monitoring, SSH terminal access, Docker container management, GPIO control, File manager, Wake-on-LAN Helper, Remote system actions

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Single (Lifetime) | $5.99 | one-time |
| Family (Lifetime) | $12.99 | one-time |


## Frequently asked questions

### Is Statistics Calculator+++ free?

Statistics Calculator+++ costs $2.99, with no in-app purchases.

### Is Open Pi free?

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

### Which has better reviews, Statistics Calculator+++ or Open Pi?

Open Pi is rated higher. Statistics Calculator+++ averages 4.3 out of 5 from 46 ratings, while Open Pi averages 4.4 from 9 ratings.

### Do Statistics Calculator+++ or Open Pi have ads?

Neither Statistics Calculator+++ nor Open Pi shows ads.

### Which is updated more often, Statistics Calculator+++ or Open Pi?

Statistics Calculator+++ ships an update every 13 months, and Open Pi weekly. Most recently, Statistics Calculator+++ was updated on October 14, 2026 and Open Pi on October 11, 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.*