# App Debug Assistant vs 0Day

The clearest difference is rating: 0Day at 5.0 against App Debug Assistant's 3.7. 0Day also leads on ads (none vs shown) and review sentiment (100% vs 80%). App Debug Assistant's advantage is in-app purchases (none vs 2) and iOS requirement (16.0 vs 18.0). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. 0Day sells 2 in-app purchases, starting at $3.99 per month. App Debug Assistant asks for nothing beyond the download.

0Day holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 80% of App Debug Assistant's written reviews are positive against 100% of 0Day's.

App Debug Assistant ships an update weekly, 0Day every 5 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | App Debug Assistant | 0Day |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/app-debug-assistant/id6757480495/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/0day-cve-and-exploit-alerts/id6761655372/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | **Ad-supported** | Freemium |
| Best chart rank | — | **#195** |
| Size | 32 MB | 10 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Junjie Li](https://appshunter.io/developer/1033049366) | [Richard Lous](https://appshunter.io/developer/1890695617) |

## What reviewers say

### App Debug Assistant

[App page](https://appshunter.io/ios/app/app-debug-assistant/id6757480495)

A comprehensive toolkit for developers and testers to streamline debugging. It offers device information, sensor data, Bluetooth debugging, file transfer, and QR code tools for efficient workflow and bug reporting.

**Highlights:** Device information viewer, Sensor data readings, Bluetooth BLE scanning and connection, Wireless file transfer, Real-time text synchronization, QR code scanner and generator, APNs push notification testing

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

**In-app purchases:** none


### 0Day

[App page](https://appshunter.io/ios/app/0day-cve-and-exploit-alerts/id6761655372)

**Currently charting:** #195 Top Grossing · Developer Tools (US App Store)

Receive immediate alerts for zero-day vulnerabilities, supply chain attacks, and compromised packages relevant to your specific technology stack. Get early warnings before they hit the news cycle, enabling proactive security measures.

**Highlights:** Zero-day vulnerability alerts, Supply chain attack notifications, Compromised package warnings, Stack-aware filtering, Early warning system, Push notifications, Full alert archive

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 0Day Pro | $3.99 | per month |
| 0Day Pro | $29.99 | per year |


## Frequently asked questions

### Is App Debug Assistant free?

App Debug Assistant is free to download, with no in-app purchases.

### Is 0Day free?

0Day is free to download, with in-app purchases available.

### Which has better reviews, App Debug Assistant or 0Day?

0Day is rated higher. App Debug Assistant averages 3.7 out of 5 from 3 ratings, while 0Day averages 5.0 from 2 ratings.

### Do App Debug Assistant or 0Day have ads?

App Debug Assistant shows ads; 0Day does not.

### Which is updated more often, App Debug Assistant or 0Day?

App Debug Assistant ships an update weekly, and 0Day every 5 days. Most recently, App Debug Assistant was updated on November 9, 2026 and 0Day 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.*