# StaySafe Lone Worker vs BioSync

The clearest difference is update cadence: BioSync at every 3 days against StaySafe Lone Worker's every 2 months. 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.

StaySafe Lone Worker ships an update every 2 months, BioSync every 3 days. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | StaySafe Lone Worker | BioSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/staysafe-lone-worker/id1472343500/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 54 MB | 53 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Safe Apps Ltd](https://appshunter.io/developer/446372071) | [Zebra B Ltd](https://appshunter.io/developer/1637889369) |

## What reviewers say

### StaySafe Lone Worker

[App page](https://appshunter.io/ios/app/staysafe-lone-worker/id1472343500)

This app provides safety for individuals working alone. It automatically alerts emergency contacts and transmits your location if you fail to check in, have an accident, or activate an alert. Your employer can then view your location on a map and dispatch assistance.

**Highlights:** Lone working sessions, Panic button, Discreet duress alerts, Regular check-ins, Non-movement and impact detection, Location tracking for employers

**In-app purchases:** none


### BioSync

[App page](https://appshunter.io/ios/app/biosync-biogen/id6772211767)

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

**In-app purchases:** none


## Frequently asked questions

### Is StaySafe Lone Worker free?

StaySafe Lone Worker is free to download, with no in-app purchases.

### Is BioSync free?

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

### Do StaySafe Lone Worker or BioSync have ads?

Neither StaySafe Lone Worker nor BioSync shows ads.

### Which is updated more often, StaySafe Lone Worker or BioSync?

StaySafe Lone Worker ships an update every 2 months, and BioSync every 3 days. Most recently, StaySafe Lone Worker was updated on October 9, 2026 and BioSync 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.*