# Whack vs cryptoscreen

The clearest difference is update cadence: Whack at every 3 days against cryptoscreen's every 2 months. On price, rating, review sentiment and ratings volume 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 Whack against 5.0 for cryptoscreen. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Whack ships an update every 3 days, cryptoscreen every 2 months. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Whack | cryptoscreen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/whack-a-num/id6720755225/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/cryptoscreen/id6779173642/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | Free | Free |
| Size | 0 MB | 7 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Danielle Lewis](https://appshunter.io/developer/1703420073) | [Domenico Marco Di Donna](https://appshunter.io/developer/1890112575) |

## What reviewers say

### Whack

[App page](https://appshunter.io/ios/app/whack-a-num/id6720755225)

This game makes math practice engaging and challenging. As you tap numbers, the game speeds up, turning your math drills into an alert and focused experience. It's designed for those who enjoy a high-difficulty approach to learning.

**Highlights:** Engaging math practice, Increasing difficulty, Focus enhancement, Game-like interface, Quick reaction challenges

**Features:** macOS Compatibility

**In-app purchases:** none


### cryptoscreen

[App page](https://appshunter.io/ios/app/cryptoscreen/id6779173642)

This app creates secure, self-destructing notes that are encrypted locally before being shared. Both a link and a PIN are required to access the message, which is then deleted after a single successful read. It offers enhanced privacy features like screenshot detection.

**Highlights:** Local encryption before upload, Link and PIN required for access, One-time read deletion, Screenshot detection, Message destruction after failed PIN attempts, Link expiration, Encrypted image attachments (Pro)

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

**In-app purchases:** none


## Frequently asked questions

### Is Whack free?

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

### Is cryptoscreen free?

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

### Which has better reviews, Whack or cryptoscreen?

Whack and cryptoscreen are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Whack or cryptoscreen have ads?

Neither Whack nor cryptoscreen shows ads.

### Which is updated more often, Whack or cryptoscreen?

Whack ships an update every 3 days, and cryptoscreen every 2 months. Most recently, Whack was updated on October 3, 2026 and cryptoscreen on October 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.*