# DevKit vs Logoseed

The clearest difference is price: DevKit at Free against Logoseed's $12.99. Logoseed's advantage is in-app purchases (none vs 2) and update cadence (daily vs every 8 days). On ads, device support and iOS requirement there is nothing between them.

DevKit is free to download; Logoseed costs $12.99 up front. DevKit sells 2 in-app purchases, starting at $9.99 per month. Logoseed asks for nothing beyond the download.

DevKit ships an update every 8 days, Logoseed daily. Both last shipped on November 5, 2026.

## The numbers

| Metric | DevKit | Logoseed |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/devkit-pdf-json-and-dev-tools/id6754946567/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | **Daily** |
| Monetization | Freemium | — |
| Size | 57 MB | 58 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Herdt](https://appshunter.io/developer/1851072441) | [军军 张](https://appshunter.io/developer/1841090575) |

## What reviewers say

### DevKit

[App page](https://appshunter.io/ios/app/devkit-pdf-json-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 |


### Logoseed

[App page](https://appshunter.io/ios/app/logoseed/id6756183146)

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

**In-app purchases:** none


## Frequently asked questions

### Is DevKit free?

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

### Is Logoseed free?

Logoseed costs $12.99, with no in-app purchases.

### Do DevKit or Logoseed have ads?

Neither DevKit nor Logoseed shows ads.

### Which is updated more often, DevKit or Logoseed?

DevKit ships an update every 8 days, and Logoseed daily. Most recently, DevKit was updated on November 5, 2026 and Logoseed on November 5, 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.*