# iFactorAnalysis™ Lite vs Calculate Standard Deviation

The clearest difference is in-app purchases: iFactorAnalysis™ Lite at none against Calculate Standard Deviation's 1. iFactorAnalysis™ Lite also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Calculate Standard Deviation sells 1 one-off in-app purchase. iFactorAnalysis™ Lite asks for nothing beyond the download.

iFactorAnalysis™ Lite ships an update every 8 months, Calculate Standard Deviation every 7 months. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | iFactorAnalysis™ Lite | Calculate Standard Deviation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (62 ratings)](https://appshunter.io/ios/app/calculate-standard-deviation/id1591420646/reviews)** |
| Number of ratings | — | **62** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 7 months** |
| Monetization | — | Free with in-app purchases |
| Size | 18 MB | 39 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Acurasoft Inc.](https://appshunter.io/developer/1356241818) | [Asad Ahsan](https://appshunter.io/developer/1326954499) |

## What reviewers say

### iFactorAnalysis™ Lite

[App page](https://appshunter.io/ios/app/ifactoranalysis-lite/id1356253906)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculate Standard Deviation

[App page](https://appshunter.io/ios/app/calculate-standard-deviation/id1591420646)

This app calculates standard deviation, variance, and other statistical measures for a given set of values. It simplifies complex statistical formulas with a user-friendly interface and accurate results.

**Highlights:** Calculate Standard Deviation, Calculate Variance, Calculate Mean, Calculate Coefficient of Variance, Calculate Standard Error of Mean, User-friendly interface, Accurate statistical results

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard Deviation Premium | $4.99 | one-time |


## Frequently asked questions

### Is iFactorAnalysis™ Lite free?

iFactorAnalysis™ Lite is free to download, with no in-app purchases.

### Is Calculate Standard Deviation free?

Calculate Standard Deviation is free to download, with in-app purchases available.

### Do iFactorAnalysis™ Lite or Calculate Standard Deviation have ads?

Calculate Standard Deviation shows ads; iFactorAnalysis™ Lite does not.

### Which is updated more often, iFactorAnalysis™ Lite or Calculate Standard Deviation?

iFactorAnalysis™ Lite ships an update every 8 months, and Calculate Standard Deviation every 7 months. Most recently, iFactorAnalysis™ Lite was updated on October 2, 2026 and Calculate Standard Deviation on October 3, 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.*