# Statistics Calculator+++ vs Grail

The clearest difference is price: Grail at Free against Statistics Calculator+++'s $2.99. Grail also leads on rating (5.0 vs 4.3) and review sentiment (100% vs 73%). Statistics Calculator+++'s advantage is ratings volume (46 vs 1) and iOS requirement (14.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Grail is free to download; Statistics Calculator+++ costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Grail holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Statistics Calculator+++ has 46 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 73% of Statistics Calculator+++'s written reviews are positive against 100% of Grail's.

Statistics Calculator+++ ships an update every 13 months, Grail every 2 months. The most recent releases landed on October 14, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Statistics Calculator+++ | Grail |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.3 (46 ratings)](https://appshunter.io/ios/app/statistics-calculator-plus-plus-plus/id568120619/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/grail-clock-widget/id6751243236/reviews)** |
| Number of ratings | **46** | 1 |
| Positive reviews | 73.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 4 MB | 5 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Dogahe](https://appshunter.io/developer/468657946) | [Reda Hallal](https://appshunter.io/developer/1834192474) |

## 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


### Grail

[App page](https://appshunter.io/ios/app/grail-clock-widget/id6751243236)

This app offers a collection of digital widgets inspired by unique and hard-to-find wrist and pocket watches. Enhance your device's aesthetic with these distinctive horological designs.

**Highlights:** Widget collection based on watches, Unique and hard-to-obtain designs, Digital horology aesthetic, Customizable clock widgets

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

**In-app purchases:** none


## Frequently asked questions

### Is Statistics Calculator+++ free?

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

### Is Grail free?

Grail is free to download, with no in-app purchases.

### Which has better reviews, Statistics Calculator+++ or Grail?

Grail is rated higher. Statistics Calculator+++ averages 4.3 out of 5 from 46 ratings, while Grail averages 5.0 from 1 ratings.

### Do Statistics Calculator+++ or Grail have ads?

Neither Statistics Calculator+++ nor Grail shows ads.

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

Statistics Calculator+++ ships an update every 13 months, and Grail every 2 months. Most recently, Statistics Calculator+++ was updated on October 14, 2026 and Grail on September 25, 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.*