# Negentropy vs BUNKER PROTOCOL

The clearest difference is review sentiment: Negentropy at 100% against BUNKER PROTOCOL's 0%. Negentropy also leads on ads (none vs shown). BUNKER PROTOCOL's advantage is in-app purchases (none vs 7) and update cadence (every 5 days vs every 21 months). On price, monetization model, device support and iOS requirement there is nothing between them.

Both are free to download. Negentropy sells 7 one-off in-app purchases. BUNKER PROTOCOL asks for nothing beyond the download.

Negentropy ships an update every 21 months, BUNKER PROTOCOL every 5 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Negentropy | BUNKER PROTOCOL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/negentropy/id990270078/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 346 MB | 118 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Side Step Studios, LLC](https://appshunter.io/developer/912241443) | [Sink Capital, Inc.](https://appshunter.io/developer/1505916963) |

## What reviewers say

### Negentropy

[App page](https://appshunter.io/ios/app/negentropy/id990270078)

Explore an old house by solving word puzzles in each room. Rearrange letters to escape entropy and advance to the next challenge. Can you master the wordplay to progress?

**Highlights:** Room-based puzzles, Letter rearrangement, Word formation, Progressive challenges, Escape entropy

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Puzzle Set 1 | $0.99 | one-time |
| Puzzle Set 2 | $0.99 | one-time |
| Puzzle Set 3 | $0.99 | one-time |
| Puzzle Set 4 | $0.99 | one-time |
| Puzzle Set 5 | $0.99 | one-time |
| Puzzle Set 6 | $0.99 | one-time |
| Puzzle Set 7 | $0.99 | one-time |


### BUNKER PROTOCOL

[App page](https://appshunter.io/ios/app/bunker-protocol-black-site/id6785037330)

Explore a deserted military black site and solve intricate puzzles to escape. This 3D escape room game challenges your observation skills with chained puzzles and item combinations. A hint system guides you without spoiling the fun.

**Highlights:** Immersive 3D environment exploration, Chained, multi-stage puzzles, Observation-based clue finding, Collect and combine items, Guided puzzle progression, Built-in hint system, Multi-language support

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

**In-app purchases:** none


## Frequently asked questions

### Is Negentropy free?

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

### Is BUNKER PROTOCOL free?

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

### Do Negentropy or BUNKER PROTOCOL have ads?

BUNKER PROTOCOL shows ads; Negentropy does not.

### Which is updated more often, Negentropy or BUNKER PROTOCOL?

Negentropy ships an update every 21 months, and BUNKER PROTOCOL every 5 days. Most recently, Negentropy was updated on October 24, 2026 and BUNKER PROTOCOL on October 28, 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.*