# Vibration Memory Game vs Entropy

The clearest difference is update cadence: Vibration Memory Game at weekly against Entropy's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Vibration Memory Game sells 4 one-off in-app purchases and Entropy sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Vibration Memory Game ships an update weekly, Entropy every 2 weeks. The most recent releases landed on September 3, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Vibration Memory Game | Entropy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vibration-memory-game-apptics/id6740833075/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free | — |
| Size | 9 MB | 6 MB |
| Requires iOS | **17.6** | 18.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Floch](https://appshunter.io/developer/1772752224) | [Erdener Uyan](https://appshunter.io/developer/1843571074) |

## What reviewers say

### Vibration Memory Game

[App page](https://appshunter.io/ios/app/vibration-memory-game-apptics/id6740833075)

This game challenges your sensory memory by having you replicate haptic patterns. Feel the vibrations, memorize the sequence, and repeat it to advance. It's a unique experience for quick gaming sessions, playable offline.

**Highlights:** Haptic pattern replication, Seven distinct game modes, Progressive difficulty, Offline play, High score tracking, Minimalist interface

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small tip | $4.99 | one-time |
| Medium Tip | $9.99 | one-time |
| Large tip | $19.99 | one-time |
| Extra large tip | $39.99 | one-time |


### Entropy

[App page](https://appshunter.io/ios/app/entropy-zero/id6757635585)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Emergency Kit | $0.99 | one-time |
| Hacker Bundle | $2.99 | one-time |
| Developer Access | $4.99 | one-time |
| Survival Mode | $9.99 | one-time |


## Frequently asked questions

### Is Vibration Memory Game free?

Vibration Memory Game is free to download, with in-app purchases available.

### Is Entropy free?

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

### Do Vibration Memory Game or Entropy have ads?

Neither Vibration Memory Game nor Entropy shows ads.

### Which is updated more often, Vibration Memory Game or Entropy?

Vibration Memory Game ships an update weekly, and Entropy every 2 weeks. Most recently, Vibration Memory Game was updated on September 3, 2026 and Entropy on September 17, 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.*