# Logic 64 vs Viper maze

The clearest difference is price: Logic 64 at Free against Viper maze's $1.99. Logic 64 also leads on in-app purchases (none vs 1) and update cadence (every 6 days vs every 3 months). Viper maze's advantage is ads (none vs shown) and iOS requirement (13.0 vs 17.2). On device support there is nothing between them.

Logic 64 is free to download; Viper maze costs $1.99 up front. Viper maze sells 1 one-off in-app purchase. Logic 64 asks for nothing beyond the download.

Logic 64 ships an update every 6 days, Viper maze every 3 months. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Logic 64 | Viper maze |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Every 3 months |
| Size | 9 MB | 6 MB |
| Requires iOS | 17.2 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [One Man Shy LLC](https://appshunter.io/developer/1582403102) | [Martin Gruner](https://appshunter.io/developer/1824447154) |

## What reviewers say

### Logic 64

[App page](https://appshunter.io/ios/app/logic-64/id6748052755)

**Features:** macOS Compatibility

**In-app purchases:** none


### Viper maze

[App page](https://appshunter.io/ios/app/viper-maze/id6748138935)

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full game | $3.99 | one-time |


## Frequently asked questions

### Is Logic 64 free?

Logic 64 is free to download, with no in-app purchases.

### Is Viper maze free?

Viper maze costs $1.99, and also offers in-app purchases.

### Do Logic 64 or Viper maze have ads?

Logic 64 shows ads; Viper maze does not.

### Which is updated more often, Logic 64 or Viper maze?

Logic 64 ships an update every 6 days, and Viper maze every 3 months. Most recently, Logic 64 was updated on October 11, 2026 and Viper maze on October 15, 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.*