# Reaction Time vs Door

The clearest difference is update cadence: Door at weekly against Reaction Time's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Reaction Time sells 1 one-off in-app purchase and Door sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Reaction Time ships an update every 2 months, Door weekly. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Reaction Time | Door |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (6 ratings)](https://appshunter.io/ios/app/door-memory-game/id6471891652/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free |
| Size | 10 MB | 86 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod, Mac, Apple TV | iPhone, iPad, iPod, Mac, Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [KidDotCo](https://appshunter.io/developer/819246599) | [Andrew Moloney](https://appshunter.io/developer/1263277493) |

## What reviewers say

### Reaction Time

[App page](https://appshunter.io/ios/app/reaction-time-tap-zero-zero/id1090740861)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Can You Find The Cheese? | $1.99 | one-time |


### Door

[App page](https://appshunter.io/ios/app/door-memory-game/id6471891652)

Test your memory with a simple yet challenging game. Each round, you must choose a new door from a selection, avoiding any you've opened before. With multiple difficulty levels and leaderboards, see how long you can last.

**Highlights:** New door selection mechanic, 5 difficulty levels, Optional timed mode, 8 achievements, Online leaderboards, Keyboard support, Game Center integration

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Free | $0.95 | one-time |


## Frequently asked questions

### Is Reaction Time free?

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

### Is Door free?

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

### Do Reaction Time or Door have ads?

Neither Reaction Time nor Door shows ads.

### Which is updated more often, Reaction Time or Door?

Reaction Time ships an update every 2 months, and Door weekly. Most recently, Reaction Time was updated on October 6, 2026 and Door on October 14, 2026.

---

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