# Statistics Calculator+++ vs Shelf Track

The clearest difference is price: Shelf Track at Free against Statistics Calculator+++'s $2.99. Shelf Track also leads on rating (5.0 vs 4.3) and update cadence (every 6 days vs every 13 months). Statistics Calculator+++'s advantage is ratings volume (46 vs 1) and iOS requirement (14.0 vs 18.6). On ads, in-app purchases and device support there is nothing between them.

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

Shelf Track 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.

Statistics Calculator+++ ships an update every 13 months, Shelf Track every 6 days. Both last shipped on September 10, 2026.

## The numbers

| Metric | Statistics Calculator+++ | Shelf Track |
| --- | --- | --- |
| 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/shelf-track-inventory-tracking/id6761561265/reviews)** |
| Number of ratings | **46** | 1 |
| Positive reviews | 73.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 6 days** |
| Monetization | Paid | **Free** |
| Size | 4 MB | 24 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Dogahe](https://appshunter.io/developer/468657946) | [Samuel Snow](https://appshunter.io/developer/1829824175) |

## 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


### Shelf Track

[App page](https://appshunter.io/ios/app/shelf-track-inventory-tracking/id6761561265)

Easily track your belongings across different locations like pantries, garages, or closets. Organize items by shelf, add photos and notes, and quickly search or filter to manage quantities. Sync your data across devices with Google or Apple sign-in.

**Highlights:** Organize by shelf, Track item quantities, Add photos and notes, Search and filter items, Sync across devices, Simple interface

**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 Shelf Track free?

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

### Which has better reviews, Statistics Calculator+++ or Shelf Track?

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

### Do Statistics Calculator+++ or Shelf Track have ads?

Neither Statistics Calculator+++ nor Shelf Track shows ads.

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

Statistics Calculator+++ ships an update every 13 months, and Shelf Track every 6 days. Most recently, Statistics Calculator+++ was updated on September 10, 2026 and Shelf Track on September 10, 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.*