# BUNKER PROTOCOL vs The Da Vinci Cryptex 5

The clearest difference is in-app purchases: BUNKER PROTOCOL at none against The Da Vinci Cryptex 5's 3. BUNKER PROTOCOL also leads on update cadence (weekly vs fortnightly). The Da Vinci Cryptex 5's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. The Da Vinci Cryptex 5 sells 3 one-off in-app purchases. BUNKER PROTOCOL asks for nothing beyond the download.

BUNKER PROTOCOL ships an update weekly, The Da Vinci Cryptex 5 fortnightly. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | BUNKER PROTOCOL | The Da Vinci Cryptex 5 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/bunker-protocol-reactor-core/id6762374097/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Ad-supported | — |
| Size | 122 MB | 152 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Uniikura](https://appshunter.io/developer/1879008639) | [XSGames](https://appshunter.io/developer/1725979641) |

## What reviewers say

### BUNKER PROTOCOL

[App page](https://appshunter.io/ios/app/bunker-protocol-reactor-core/id6762374097)

Trapped alone in a sealed underground shelter, you must solve a series of interconnected 3D puzzles to find your way out. Explore, collect items, and use observation to crack codes and repair systems.

**Highlights:** Immersive 3D environment, Multiple interconnected puzzles, Observation-based gameplay, Item collection and combination, Sequential puzzle progression, Hint system, Bilingual support (English/Japanese)

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

**In-app purchases:** none


### The Da Vinci Cryptex 5

[App page](https://appshunter.io/ios/app/the-da-vinci-cryptex-5/id6773738693)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game | $1.99 | one-time |
| Full Game + Coffee | $3.99 | one-time |
| Full Game + Love | $6.99 | one-time |


## Frequently asked questions

### Is BUNKER PROTOCOL free?

BUNKER PROTOCOL is free to download, with no in-app purchases.

### Is The Da Vinci Cryptex 5 free?

The Da Vinci Cryptex 5 is free to download, with in-app purchases available.

### Do BUNKER PROTOCOL or The Da Vinci Cryptex 5 have ads?

BUNKER PROTOCOL shows ads; The Da Vinci Cryptex 5 does not.

### Which is updated more often, BUNKER PROTOCOL or The Da Vinci Cryptex 5?

BUNKER PROTOCOL ships an update weekly, and The Da Vinci Cryptex 5 fortnightly. Most recently, BUNKER PROTOCOL was updated on October 24, 2026 and The Da Vinci Cryptex 5 on October 13, 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.*