# Operation Outbreak vs Enterococcus Predictor

The clearest difference is update cadence: Enterococcus Predictor at every 11 days against Operation Outbreak's every 5 weeks. Operation Outbreak's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Operation Outbreak ships an update every 5 weeks, Enterococcus Predictor every 11 days. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Operation Outbreak | Enterococcus Predictor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (152 ratings)](https://appshunter.io/ios/app/operation-outbreak/id1455638160/reviews)** | — |
| Number of ratings | **152** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 11 days** |
| Monetization | Free | — |
| Size | 39 MB | 46 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [THE BROAD INSTITUTE INC](https://appshunter.io/developer/900183025) | [SATHWIKA EDAMA](https://appshunter.io/developer/1843148741) |

## What reviewers say

### Operation Outbreak

[App page](https://appshunter.io/ios/app/operation-outbreak/id1455638160)

Engage in a virtual pathogen outbreak simulation using Bluetooth. Learn about disease spread and prevention through interactive gameplay, quizzes, and teamwork. Requires a code from an organizer to participate.

**Highlights:** Bluetooth-enabled outbreak simulation, Learn disease prevention strategies, Interactive quizzes on biology and public health, Team-based gameplay, Simulate pathogen spread

**Features:** macOS Compatibility

**In-app purchases:** none


### Enterococcus Predictor

[App page](https://appshunter.io/ios/app/enterococcus-predictor/id6753220837)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Operation Outbreak free?

Operation Outbreak is free to download, with no in-app purchases.

### Is Enterococcus Predictor free?

Enterococcus Predictor is free to download, with no in-app purchases.

### Do Operation Outbreak or Enterococcus Predictor have ads?

Neither Operation Outbreak nor Enterococcus Predictor shows ads.

### Which is updated more often, Operation Outbreak or Enterococcus Predictor?

Operation Outbreak ships an update every 5 weeks, and Enterococcus Predictor every 11 days. Most recently, Operation Outbreak was updated on September 18, 2026 and Enterococcus Predictor on September 9, 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.*