# 39Tools vs emaeglin.dev

The clearest difference is update cadence: emaeglin.dev at daily against 39Tools's every 9 months. 39Tools's advantage is iOS requirement (12.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

39Tools ships an update every 9 months, emaeglin.dev daily. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 39Tools | emaeglin.dev |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (5 ratings)](https://appshunter.io/ios/app/emaeglindev/id6761451664/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Daily** |
| Monetization | — | Free |
| Size | 112 MB | 5 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [策 王](https://appshunter.io/developer/1681706231) | [Bohdan Petryshyn](https://appshunter.io/developer/1826597700) |

## What reviewers say

### 39Tools

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

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

**In-app purchases:** none


### emaeglin.dev

[App page](https://appshunter.io/ios/app/emaeglindev/id6761451664)

A comprehensive developer toolkit offering over 30 practical tools for formatting, validating, converting, and generating data. Streamline everyday development tasks like debugging JSON, testing regex, and building API requests with a clean, fast, and ad-free experience.

**Highlights:** 30+ practical developer tools, JSON formatter and validator, Regex tester, Password generator, JWT decoder and validator, API request builder, Data conversion tools

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

**In-app purchases:** none


## Frequently asked questions

### Is 39Tools free?

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

### Is emaeglin.dev free?

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

### Do 39Tools or emaeglin.dev have ads?

Neither 39Tools nor emaeglin.dev shows ads.

### Which is updated more often, 39Tools or emaeglin.dev?

39Tools ships an update every 9 months, and emaeglin.dev daily. Most recently, 39Tools was updated on October 3, 2026 and emaeglin.dev on October 13, 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.*