# DevTools+ vs 0Day

The clearest difference is chart position: 0Day at #195 against DevTools+'s unranked. 0Day also leads on update cadence (every 5 days vs every 11 days). DevTools+'s advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. DevTools+ sells 2 in-app purchases, starting at $1.99 per month and 0Day sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

DevTools+ ships an update every 11 days, 0Day every 5 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | DevTools+ | 0Day |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/0day-cve-and-exploit-alerts/id6761655372/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 5 days** |
| Monetization | Freemium | Freemium |
| Best chart rank | — | **#195** |
| Size | 57 MB | 10 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tosh Labs Private Limited](https://appshunter.io/developer/1880605120) | [Richard Lous](https://appshunter.io/developer/1890695617) |

## What reviewers say

### DevTools+

[App page](https://appshunter.io/ios/app/devtools-plus-dev-tools-and-code/id6759056096)

A comprehensive suite of developer tools for mobile devices. Quickly format, convert, decode, and test code with a vast collection of utilities. Designed for efficient local processing with no account required.

**Highlights:** JSON formatter, validator, and converter, API tester with REST, GraphQL, and cURL support, Regex tester and highlighter, JWT decoder and analysis, Base64 encoder/decoder, Timestamp and timezone conversion, Local-first data processing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Annual | $19.99 | per year |


### 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 DevTools+ free?

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

### Is 0Day free?

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

### Do DevTools+ or 0Day have ads?

Neither DevTools+ nor 0Day shows ads.

### Which is updated more often, DevTools+ or 0Day?

DevTools+ ships an update every 11 days, and 0Day every 5 days. Most recently, DevTools+ 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.*