# Zen Logic Pro vs Hallowkin

The clearest difference is in-app purchases: Zen Logic Pro at none against Hallowkin's 10. Zen Logic Pro also leads on ads (none vs shown). Hallowkin's advantage is update cadence (daily vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Hallowkin sells 10 one-off in-app purchases. Zen Logic Pro asks for nothing beyond the download.

Zen Logic Pro ships an update every 3 weeks, Hallowkin daily. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Zen Logic Pro | Hallowkin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 271 MB | 242 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [老三 刘](https://appshunter.io/developer/6783382679) | [Glaium Inc.](https://appshunter.io/developer/1846924999) |

## What reviewers say

### Zen Logic Pro

[App page](https://appshunter.io/ios/app/zen-logic-pro/id6787879971)

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

**In-app purchases:** none


### Hallowkin

[App page](https://appshunter.io/ios/app/hallowkin/id6800217355)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Handful of Moonstones | $1.99 | one-time |
| Starter Pack | $2.99 | one-time |
| Crescent Trove | $4.99 | one-time |
| Pouch of Moonstones | $4.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Half-Moon Hoard | $9.99 | one-time |
| Sack of Moonstones | $9.99 | one-time |
| Full Moon Treasury | $19.99 | one-time |
| Chest of Moonstones | $19.99 | one-time |
| Vault of Moonstones | $49.99 | one-time |


## Frequently asked questions

### Is Zen Logic Pro free?

Zen Logic Pro is free to download, with no in-app purchases.

### Is Hallowkin free?

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

### Do Zen Logic Pro or Hallowkin have ads?

Hallowkin shows ads; Zen Logic Pro does not.

### Which is updated more often, Zen Logic Pro or Hallowkin?

Zen Logic Pro ships an update every 3 weeks, and Hallowkin daily. Most recently, Zen Logic Pro was updated on October 6, 2026 and Hallowkin on October 10, 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.*