# Devil App Builder vs DevKit

The clearest difference is iOS requirement: Devil App Builder at 13.0 against DevKit's 15.1. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Devil App Builder sells 2 in-app purchases, starting at $24.99 per year and DevKit sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Devil App Builder ships an update every 2 weeks, DevKit every 10 days. The most recent releases landed on October 8, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Devil App Builder | DevKit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/devkit-json-jwt-and-dev-tools/id6754946567/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Freemium | Freemium |
| Size | 81 MB | 52 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Mondayless Inc.](https://appshunter.io/developer/643833415) | [Alexander Herdt](https://appshunter.io/developer/1851072441) |

## What reviewers say

### Devil App Builder

[App page](https://appshunter.io/ios/app/devil-app-builder/id1540234300)

Create apps quickly and easily by linking Sketch for screen design and the Devil Web Console for coding. Learn to code and build your own applications effortlessly.

**Highlights:** Easy app development, Sketch integration for screen design, Devil Web Console for coding, Learn to code, Build apps quickly

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Membership | $24.99 | per year |
| A month | $27.99 | one-time |


### DevKit

[App page](https://appshunter.io/ios/app/devkit-json-jwt-and-dev-tools/id6754946567)

This app provides a suite of offline developer tools for formatting, debugging, encoding, and converting data. It keeps all your work on your device, ensuring privacy and accessibility without an internet connection. Features include JSON formatting, JWT decoding, hash generation, and QR code creation.

**Highlights:** 30+ offline developer utilities, JSON, HTML, CSS, JS, XML, SQL formatting, JWT decoding and certificate inspection, Base64, URL, and HTML encoding/decoding, Hash generation (MD5, SHA-256), Timestamp and number base conversion, QR code generation

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $9.99 | per month |
| Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Devil App Builder free?

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

### Is DevKit free?

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

### Do Devil App Builder or DevKit have ads?

Neither Devil App Builder nor DevKit shows ads.

### Which is updated more often, Devil App Builder or DevKit?

Devil App Builder ships an update every 2 weeks, and DevKit every 10 days. Most recently, Devil App Builder was updated on October 8, 2026 and DevKit on September 24, 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.*