# Gene Doe vs StetSAFE

The clearest difference is rating: StetSAFE at 5.0 against Gene Doe's 4.0. StetSAFE also leads on iOS requirement (13.0 vs 15.6). Gene Doe's advantage is ads (none vs shown) and update cadence (every 4 weeks vs every 3 months). On price, 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.

StetSAFE holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Gene Doe ships an update every 4 weeks, StetSAFE every 3 months. The most recent releases landed on June 1, 2026 and June 30, 2026 respectively.

## The numbers

| Metric | Gene Doe | StetSAFE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/gene-doe/id1470352738/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stetsafe/id1557467813/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Monetization | **Free** | Ad-supported |
| Size | 48 MB | 49 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Christopher Metts](https://appshunter.io/developer/1046317677) | [KuartisMed Ltd Sti](https://appshunter.io/developer/598946138) |

## What reviewers say

### Gene Doe

[App page](https://appshunter.io/ios/app/gene-doe/id1470352738)

This platform enables citizen science by connecting users with research studies. Researchers can publish protocols and collect data via HealthKit and ResearchKit, while users can enroll in studies after meeting screening requirements and providing consent.

**Highlights:** Citizen science platform, Research study participation, Data collection via HealthKit, ResearchKit ActiveTasks integration, Self-enrollment in studies

**Features:** macOS Compatibility

**In-app purchases:** none


### StetSAFE

[App page](https://appshunter.io/ios/app/stetsafe/id1557467813)

This medical device uses UV-C light to disinfect stethoscope diaphragms, neutralizing harmful bacteria in minutes. Connect to a mobile app to monitor disinfection status and usage details.

**Highlights:** UV-C light disinfection, Neutralizes bacteria, Mobile app connectivity, Disinfection status monitoring, Usage details tracking

**In-app purchases:** none


## Frequently asked questions

### Is Gene Doe free?

Gene Doe is free to download, with no in-app purchases.

### Is StetSAFE free?

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

### Which has better reviews, Gene Doe or StetSAFE?

StetSAFE is rated higher. Gene Doe averages 4.0 out of 5 from 3 ratings, while StetSAFE averages 5.0 from 1 ratings.

### Do Gene Doe or StetSAFE have ads?

StetSAFE shows ads; Gene Doe does not.

### Which is updated more often, Gene Doe or StetSAFE?

Gene Doe ships an update every 4 weeks, and StetSAFE every 3 months. Most recently, Gene Doe was updated on June 1, 2026 and StetSAFE on June 30, 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.*