# Reaction Time vs Block Blaster Fire Fly

The clearest difference is ads: Reaction Time at none against Block Blaster Fire Fly's shown. Reaction Time also leads on device support (5 vs 2) and iOS requirement (15.6 vs 26.2). On price and in-app purchases there is nothing between them.

Both are free to download. Reaction Time sells 1 one-off in-app purchase and Block Blaster Fire Fly sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Reaction Time | Block Blaster Fire Fly |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | — |
| Size | 10 MB | 25 MB |
| Requires iOS | **15.6** | 26.2 |
| Devices | **iPhone, iPad, iPod, Mac, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KidDotCo](https://appshunter.io/developer/819246599) | [ALAZ EREKUL](https://appshunter.io/developer/1869935123) |

## 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 |


### Block Blaster Fire Fly

[App page](https://appshunter.io/ios/app/block-blaster-fire-fly/id6759800194)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 Gems | $0.99 | one-time |
| 500 Gems | $1.99 | one-time |
| 1000 Gems | $3.99 | one-time |


## Frequently asked questions

### Is Reaction Time free?

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

### Is Block Blaster Fire Fly free?

Block Blaster Fire Fly is free to download, with in-app purchases available.

### Do Reaction Time or Block Blaster Fire Fly have ads?

Block Blaster Fire Fly shows ads; Reaction Time does not.

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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.*