# Flipset vs ZeroDay Dev

The clearest difference is in-app purchases: Flipset at none against ZeroDay Dev's 1. ZeroDay Dev's advantage is update cadence (weekly vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ZeroDay Dev sells 1 one-off in-app purchase. Flipset asks for nothing beyond the download.

Flipset ships an update every 3 weeks, ZeroDay Dev weekly. Both last shipped on September 18, 2026.

## The numbers

| Metric | Flipset | ZeroDay Dev |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/zeroday-dev/id6760129673/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 73 MB | 69 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cory Chambers](https://appshunter.io/developer/1528403406) | [John Lawniczak](https://appshunter.io/developer/1882793043) |

## What reviewers say

### Flipset

[App page](https://appshunter.io/ios/app/flipset-flashcard-manager/id6758268263)

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

**In-app purchases:** none


### ZeroDay Dev

[App page](https://appshunter.io/ios/app/zeroday-dev/id6760129673)

Learn secure coding and blockchain security through hands-on challenges and real-world exploit analysis. Practice building exploit intuition with interactive exercises and track your progress through curated learning paths. The app is designed for offline use, allowing you to learn anytime, anywhere.

**Highlights:** Hands-on coding challenges, Real-world exploit analysis, Interactive practice exercises, Curated learning tracks, Progress tracking and gamification, Offline-first functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Content | $4.99 | one-time |


## Frequently asked questions

### Is Flipset free?

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

### Is ZeroDay Dev free?

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

### Do Flipset or ZeroDay Dev have ads?

Neither Flipset nor ZeroDay Dev shows ads.

### Which is updated more often, Flipset or ZeroDay Dev?

Flipset ships an update every 3 weeks, and ZeroDay Dev weekly. Most recently, Flipset was updated on September 18, 2026 and ZeroDay Dev on September 18, 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.*