# Reaction Time vs HybridB

The clearest difference is ads: Reaction Time at none against HybridB's shown. Reaction Time also leads on device support (5 vs 2). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Reaction Time sells 1 one-off in-app purchase and HybridB sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Reaction Time ships an update every 3 months, HybridB every 2 months. The most recent releases landed on November 2, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Reaction Time | HybridB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 10 MB | 55 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac, Apple TV** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [KidDotCo](https://appshunter.io/developer/819246599) | [月 蓝](https://appshunter.io/developer/1709695842) |

## 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 |


### HybridB

[App page](https://appshunter.io/ios/app/hybridb/id6760608199)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3,000 Gems | $0.29 | one-time |
| Stamina Privilege | $0.29 | one-time |
| Small Battle Pass Ticket Chest | $0.49 | one-time |
| Medium Battle Pass Ticket Chest | $0.99 | one-time |
| Large Battle Pass Ticket Chest | $1.49 | one-time |
| Permanent Ad-Free | $6.99 | one-time |


## Frequently asked questions

### Is Reaction Time free?

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

### Is HybridB free?

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

### Do Reaction Time or HybridB have ads?

HybridB shows ads; Reaction Time does not.

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

Reaction Time ships an update every 3 months, and HybridB every 2 months. Most recently, Reaction Time was updated on November 2, 2026 and HybridB on November 9, 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.*