# 39Tools vs Walnut

The clearest difference is in-app purchases: 39Tools at none against Walnut's 1. 39Tools also leads on ads (none vs shown) and iOS requirement (12.0 vs 18.4). Walnut's advantage is update cadence (every 4 days vs every 9 months). On price and device support there is nothing between them.

Both are free to download. Walnut sells 1 one-off in-app purchase. 39Tools asks for nothing beyond the download.

39Tools ships an update every 9 months, Walnut every 4 days. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 39Tools | Walnut |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/walnut-webview-debug-and-test/id6755930250/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 112 MB | 28 MB |
| Requires iOS | **12.0** | 18.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [策 王](https://appshunter.io/developer/1681706231) | [Jiwon Park](https://appshunter.io/developer/1842841535) |

## What reviewers say

### 39Tools

[App page](https://appshunter.io/ios/app/39tools/id6447797534)

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

**In-app purchases:** none


### Walnut

[App page](https://appshunter.io/ios/app/walnut-webview-debug-and-test/id6755930250)

This app allows developers to test WKWebView and SFSafariViewController configurations in real-time. It offers built-in DevTools for console, network, storage, and performance analysis, along with JavaScript injection and accessibility auditing.

**Highlights:** Real-time WKWebView configuration testing, Built-in DevTools (Console, Network, Storage), JavaScript injection and execution, SFSafariViewController testing with content blockers, Accessibility auditing (axe-core), Responsive viewport and device emulation, Bookmark management

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is 39Tools free?

39Tools is free to download, with no in-app purchases.

### Is Walnut free?

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

### Do 39Tools or Walnut have ads?

Walnut shows ads; 39Tools does not.

### Which is updated more often, 39Tools or Walnut?

39Tools ships an update every 9 months, and Walnut every 4 days. Most recently, 39Tools was updated on October 3, 2026 and Walnut on October 9, 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.*