# SimRa vs lostanzen

The clearest difference is update cadence: SimRa at every 2 months against lostanzen's every 6 months. SimRa also leads on iOS requirement (12.0 vs 16.4). 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.

SimRa ships an update every 2 months, lostanzen every 6 months. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | SimRa | lostanzen |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 45.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free | — |
| Size | 10 MB | 84 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [David Bermbach](https://appshunter.io/developer/1707007284) | [lostanzen](https://appshunter.io/developer/1859977876) |

## What reviewers say

### SimRa

[App page](https://appshunter.io/ios/app/simra/id1459516968)

This app anonymously collects data on near-crashes and bicycle traffic routes to identify hazardous areas and improve cyclist safety. It uses GPS and acceleration sensors to track trips and categorize potential dangers, with users annotating data post-ride.

**Highlights:** Anonymous data collection, GPS route tracking, Near-crash detection, User data annotation, Hazard identification, Traffic flow optimization

**Features:** macOS Compatibility

**In-app purchases:** none


### lostanzen

[App page](https://appshunter.io/ios/app/lostanzen/id6736992663)

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

**In-app purchases:** none


## Frequently asked questions

### Is SimRa free?

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

### Is lostanzen free?

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

### Do SimRa or lostanzen have ads?

Neither SimRa nor lostanzen shows ads.

### Which is updated more often, SimRa or lostanzen?

SimRa ships an update every 2 months, and lostanzen every 6 months. Most recently, SimRa was updated on October 11, 2026 and lostanzen on October 18, 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.*