# JS.Notebook vs Authenticator App

The clearest difference is in-app purchases: JS.Notebook at none against Authenticator App's 2. JS.Notebook also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.0). Authenticator App's advantage is update cadence (every 11 days vs every 50 months). On price and ads there is nothing between them.

Both are free to download. Authenticator App sells 2 in-app purchases, starting at $9.99 per 7 days. JS.Notebook asks for nothing beyond the download.

JS.Notebook ships an update every 50 months, Authenticator App every 11 days. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | JS.Notebook | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/jsnotebook/id1470144639/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 50 months | **Every 11 days** |
| Monetization | Free | — |
| Size | 19 MB | 15 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Zijie Deng](https://appshunter.io/developer/1070117038) | [Rubiklab](https://appshunter.io/developer/1787767335) |

## What reviewers say

### JS.Notebook

[App page](https://appshunter.io/ios/app/jsnotebook/id1470144639)

Build, test, and run your JavaScript code directly on your iOS device. This utility allows you to execute scripts in widgets and even use your device as a host for computer browser code execution.

**Highlights:** Build JavaScript code, Test code at runtime, Run code in widgets, Use device as code host, Code execution in computer browser

**Features:** macOS Compatibility

**In-app purchases:** none


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-nexauth/id6776078454)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $9.99 | per 7 days |
| Yearly Plan | $59.99 | per year |


## Frequently asked questions

### Is JS.Notebook free?

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

### Is Authenticator App free?

Authenticator App is free to download, with in-app purchases available.

### Do JS.Notebook or Authenticator App have ads?

Neither JS.Notebook nor Authenticator App shows ads.

### Which is updated more often, JS.Notebook or Authenticator App?

JS.Notebook ships an update every 50 months, and Authenticator App every 11 days. Most recently, JS.Notebook was updated on September 17, 2026 and Authenticator App 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.*