# Developer Utilities vs 资源库

The clearest difference is update cadence: 资源库 at fortnightly against Developer Utilities's every 6 weeks. 资源库 also leads on iOS requirement (11.0 vs 13.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Developer Utilities against 5.0 for 资源库. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Developer Utilities ships an update every 6 weeks, 资源库 fortnightly. The most recent releases landed on November 3, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Developer Utilities | 资源库 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/developer-utilities-dev-tool/id1521045436/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/id1559415729/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 17 MB | 18 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Qingyu Chen](https://appshunter.io/developer/1629701754) | [长鸿 李](https://appshunter.io/developer/1559413185) |

## What reviewers say

### Developer Utilities

[App page](https://appshunter.io/ios/app/developer-utilities-dev-tool/id1521045436)

This app offers a suite of essential tools for developers and testers. It facilitates network and development debugging with features like LAN text transfer, JS injection, and DNS resolution. It also includes utilities for QR code scanning/generation and system information viewing.

**Highlights:** LAN text transfer, Frontend debugging, JS injection, QR code scanning and generation, Network information viewing, DNS resolution, JSON formatting

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

**In-app purchases:** none


### 资源库

[App page](https://appshunter.io/ios/app/id1559415729)

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

**In-app purchases:** none


## Frequently asked questions

### Is Developer Utilities free?

Developer Utilities is free to download, with no in-app purchases.

### Is 资源库 free?

资源库 is free to download, with no in-app purchases.

### Which has better reviews, Developer Utilities or 资源库?

Developer Utilities and 资源库 are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Developer Utilities or 资源库 have ads?

Both Developer Utilities and 资源库 show ads.

### Which is updated more often, Developer Utilities or 资源库?

Developer Utilities ships an update every 6 weeks, and 资源库 fortnightly. Most recently, Developer Utilities was updated on November 3, 2026 and 资源库 on November 1, 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.*