# Çengel Bulmaca PRO vs Reflex Test

The clearest difference is in-app purchases: Çengel Bulmaca PRO at none against Reflex Test's 1. Çengel Bulmaca PRO also leads on update cadence (every 10 days vs every 3 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Reflex Test sells 1 one-off in-app purchase. Çengel Bulmaca PRO asks for nothing beyond the download.

Çengel Bulmaca PRO ships an update every 10 days, Reflex Test every 3 weeks. The most recent releases landed on October 3, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Çengel Bulmaca PRO | Reflex Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Size | 47 MB | 9 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Betul YILMAZ](https://appshunter.io/developer/1895276007) | [iFLoop Bilgi Teknolojileri](https://appshunter.io/developer/869574033) |

## What reviewers say

### Çengel Bulmaca PRO

[App page](https://appshunter.io/ios/app/cengel-bulmaca-pro/id6763348780)

**In-app purchases:** none


### Reflex Test

[App page](https://appshunter.io/ios/app/reflex-test-reaction-time/id6782429334)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| True Colors Pro | $0.99 | one-time |


## Frequently asked questions

### Is Çengel Bulmaca PRO free?

Çengel Bulmaca PRO is free to download, with no in-app purchases.

### Is Reflex Test free?

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

### Do Çengel Bulmaca PRO or Reflex Test have ads?

Both Çengel Bulmaca PRO and Reflex Test show ads.

### Which is updated more often, Çengel Bulmaca PRO or Reflex Test?

Çengel Bulmaca PRO ships an update every 10 days, and Reflex Test every 3 weeks. Most recently, Çengel Bulmaca PRO was updated on October 3, 2026 and Reflex Test on October 22, 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.*