# Statistics Formulas vs CougarStats

The clearest difference is in-app purchases: CougarStats at none against Statistics Formulas's 7. Statistics Formulas's advantage is update cadence (every 3 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Statistics Formulas sells 7 one-off in-app purchases. CougarStats asks for nothing beyond the download.

Statistics Formulas ships an update every 3 days, CougarStats weekly. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Statistics Formulas | CougarStats |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | — | Free |
| Size | 23 MB | 4 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [NovaNext](https://appshunter.io/developer/1285557502) | [Ashok Krishnamurthy](https://appshunter.io/developer/1725732999) |

## What reviewers say

### Statistics Formulas

[App page](https://appshunter.io/ios/app/statistics-formulas/id6447047160)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |
| Donate $3 | $2.99 | one-time |
| Donate $5 | $4.99 | one-time |
| Donate $10 | $9.99 | one-time |
| Donate $15 | $14.99 | one-time |
| Donate $20 | $19.99 | one-time |


### CougarStats

[App page](https://appshunter.io/ios/app/cougarstats/id6476070179)

This app simplifies statistical concepts for students and instructors. It offers tools for descriptive statistics, probability distributions, inference, and regression analysis, aiming to enhance understanding of statistical results.

**Highlights:** Descriptive Statistics, Probability Distributions, Statistical Inference, Simple Linear Regression, Correlation Analysis, User-friendly interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Statistics Formulas free?

Statistics Formulas is free to download, with in-app purchases available.

### Is CougarStats free?

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

### Do Statistics Formulas or CougarStats have ads?

Neither Statistics Formulas nor CougarStats shows ads.

### Which is updated more often, Statistics Formulas or CougarStats?

Statistics Formulas ships an update every 3 days, and CougarStats weekly. Most recently, Statistics Formulas was updated on September 21, 2026 and CougarStats on September 18, 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.*