# Bunker Protocol 2077 vs Downfall Survival Sim

The clearest difference is in-app purchases: Bunker Protocol 2077 at none against Downfall Survival Sim's 1. Downfall Survival Sim's advantage is update cadence (every 5 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Downfall Survival Sim sells 1 one-off in-app purchase. Bunker Protocol 2077 asks for nothing beyond the download.

Bunker Protocol 2077 ships an update every 2 weeks, Downfall Survival Sim every 5 days. The most recent releases landed on September 11, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Bunker Protocol 2077 | Downfall Survival Sim |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Size | 3 MB | 36 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 9+ |
| Developer | [Gorkem Akova](https://appshunter.io/developer/1867979990) | [Constantin Catalin Stroescu](https://appshunter.io/developer/1896112005) |

## What reviewers say

### Bunker Protocol 2077

[App page](https://appshunter.io/ios/app/bunker-protocol-2077/id6758270102)

**In-app purchases:** none


### Downfall Survival Sim

[App page](https://appshunter.io/ios/app/downfall-survival-sim/id6790890356)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Survivor Mode | $9.99 | one-time |


## Frequently asked questions

### Is Bunker Protocol 2077 free?

Bunker Protocol 2077 is free to download, with no in-app purchases.

### Is Downfall Survival Sim free?

Downfall Survival Sim is free to download, with in-app purchases available.

### Do Bunker Protocol 2077 or Downfall Survival Sim have ads?

Neither Bunker Protocol 2077 nor Downfall Survival Sim shows ads.

### Which is updated more often, Bunker Protocol 2077 or Downfall Survival Sim?

Bunker Protocol 2077 ships an update every 2 weeks, and Downfall Survival Sim every 5 days. Most recently, Bunker Protocol 2077 was updated on September 11, 2026 and Downfall Survival Sim on September 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.*