# Developer Utilities vs 校园应急广播

The clearest difference is ads: 校园应急广播 at none against Developer Utilities's shown. 校园应急广播 also leads on iOS requirement (10.0 vs 13.0). On price, update cadence, 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.

Developer Utilities ships an update every 6 weeks, 校园应急广播 every 2 months. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Developer Utilities | 校园应急广播 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/developer-utilities-dev-tool/id1521045436/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 17 MB | 36 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Qingyu Chen](https://appshunter.io/developer/1629701754) | [广东保伦电子股份有限公司](https://appshunter.io/developer/933187149) |

## 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


### 校园应急广播

[App page](https://appshunter.io/ios/app/id1636073374)

**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 校园应急广播 free?

校园应急广播 is free to download, with no in-app purchases.

### Do Developer Utilities or 校园应急广播 have ads?

Developer Utilities shows ads; 校园应急广播 does not.

### Which is updated more often, Developer Utilities or 校园应急广播?

Developer Utilities ships an update every 6 weeks, and 校园应急广播 every 2 months. Most recently, Developer Utilities was updated on October 17, 2026 and 校园应急广播 on October 7, 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.*