# TestCardMemory vs Knock And Drop

The clearest difference is ads: TestCardMemory at none against Knock And Drop's shown. TestCardMemory also leads on update cadence (daily vs every 5 days). Knock And Drop's advantage is iOS requirement (13.0 vs 26.4). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TestCardMemory ships an update daily, Knock And Drop every 5 days. The most recent releases landed on September 10, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | TestCardMemory | Knock And Drop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (2.1K ratings)](https://appshunter.io/ios/app/knock-and-drop/id6789191690/reviews)** |
| Number of ratings | — | **2.1K** |
| Positive reviews | — | 63.6% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 5 days |
| Monetization | — | Ad-supported |
| Size | 4 MB | 331 MB |
| Requires iOS | 26.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [GUILHERME CARNEVALE](https://appshunter.io/developer/1498723863) | [muhammed ilyas demirta](https://appshunter.io/developer/6789191692) |

## What reviewers say

### TestCardMemory

[App page](https://appshunter.io/ios/app/testcardmemory/id6761347360)

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

**In-app purchases:** none


### Knock And Drop

[App page](https://appshunter.io/ios/app/knock-and-drop/id6789191690)

Engage in a satisfying smash puzzle game where you aim and roll a ball to trigger chain reactions. Knock down jars, crumble stones, and topple towers with skillful throws and strategic angles to clear each colorful arena.

**Highlights:** Satisfying destruction physics, Skill-based rolling mechanics, Ever-changing level layouts, Colorful arena environments, Chain reaction gameplay, Domino effect clearing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TestCardMemory free?

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

### Is Knock And Drop free?

Knock And Drop is free to download, with no in-app purchases.

### Do TestCardMemory or Knock And Drop have ads?

Knock And Drop shows ads; TestCardMemory does not.

### Which is updated more often, TestCardMemory or Knock And Drop?

TestCardMemory ships an update daily, and Knock And Drop every 5 days. Most recently, TestCardMemory was updated on September 10, 2026 and Knock And Drop on September 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*