# js vs Stats tester plus

The clearest difference is price: js at Free against Stats tester plus's $3.99. js also leads on iOS requirement (13.0 vs 15.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

js is free to download; Stats tester plus costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

js ships an update every 2 months, Stats tester plus every 3 months. The most recent releases landed on September 14, 2026 and August 1, 2026 respectively.

## The numbers

| Metric | js | Stats tester plus |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stats-tester-plus/id1604531508/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | — | Paid |
| Size | 1 MB | 5 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Hiroyuki Nakano](https://appshunter.io/developer/1091174971) | [Hideki Ono](https://appshunter.io/developer/1401085377) |

## What reviewers say

### js

[App page](https://appshunter.io/ios/app/js-star/id1382126067)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stats tester plus

[App page](https://appshunter.io/ios/app/stats-tester-plus/id1604531508)

Perform parametric and nonparametric statistical tests with an intuitive interface. Easily enter, modify, and manage large datasets. Share results via email or memo, and import data from other applications.

**Highlights:** Parametric and nonparametric statistical tests, Easy data entry and modification, Support for large datasets, Data import from Excel/Numbers, One-sided and two-sided tests, Continuity correction options, Shareable results

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is js free?

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

### Is Stats tester plus free?

Stats tester plus costs $3.99, with no in-app purchases.

### Do js or Stats tester plus have ads?

Neither js nor Stats tester plus shows ads.

### Which is updated more often, js or Stats tester plus?

js ships an update every 2 months, and Stats tester plus every 3 months. Most recently, js was updated on September 14, 2026 and Stats tester plus on August 1, 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.*