# 67s Challenge vs 67 Master

The clearest difference is in-app purchases: 67 Master at none against 67s Challenge's 1. 67 Master also leads on ads (none vs shown). 67s Challenge's advantage is iOS requirement (17.6 vs 26.5). On price and device support there is nothing between them.

Both are free to download. 67s Challenge sells 1 one-off in-app purchase. 67 Master asks for nothing beyond the download.

## The numbers

| Metric | 67s Challenge | 67 Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/67s-challenge/id6756968825/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 1 MB |
| Requires iOS | **17.6** | 26.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kalyan Lakkavarapukota](https://appshunter.io/developer/1855873339) | [MCMJT Enterprises](https://appshunter.io/developer/6793595700) |

## What reviewers say

### 67s Challenge

[App page](https://appshunter.io/ios/app/67s-challenge/id6756968825)

Engage in rapid-fire micro-challenges within a 67-second time limit. Test your speed, focus, and reflexes by solving unique puzzles that change with each play. Compete globally on daily leaderboards or challenge friends.

**Highlights:** 67-second time limit challenges, Tests speed, focus, and reflexes, Daily global leaderboards, Challenge friends, New challenges each run, Unlock unlimited plays

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Unlimited – $2.99 | $2.99 | one-time |


### 67 Master

[App page](https://appshunter.io/ios/app/67-master/id6793595698)

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

**In-app purchases:** none


## Frequently asked questions

### Is 67s Challenge free?

67s Challenge is free to download, with in-app purchases available.

### Is 67 Master free?

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

### Do 67s Challenge or 67 Master have ads?

67s Challenge shows ads; 67 Master 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.*