# SafeTrek+(iCar) vs eFlow

The clearest difference is review sentiment: eFlow at 50% against SafeTrek+(iCar)'s 25%. eFlow also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (11 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

SafeTrek+(iCar) ships an update every 2 months, eFlow every 3 weeks. The most recent releases landed on November 2, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SafeTrek+(iCar) | eFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/eflow/id1434703366/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 25.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 38 MB | 3 MB |
| Requires iOS | 15.0 | **11** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [TRACEEZ TECHNOLOGY INTERNATIONAL CO., LTD.](https://appshunter.io/developer/854874275) | [Savant Electronics Inc.](https://appshunter.io/developer/1288418213) |

## What reviewers say

### SafeTrek+(iCar)

[App page](https://appshunter.io/ios/app/safetrek-plus-icar/id1050152844)

This app uses GPS tracking to monitor vehicle locations in real-time, offering historical data and security alerts. It allows users to manage multiple vehicles, set up geo-fences, and receive notifications for emergencies and status changes.

**Highlights:** Real-time GPS tracking, Vehicle history data (up to 7 days), Multi-vehicle management, Geo-fencing alerts, Push notifications for alerts, Vehicle status monitoring

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

**In-app purchases:** none


### eFlow

[App page](https://appshunter.io/ios/app/eflow/id1434703366)

Monitor the capacity of your water filters using a Bluetooth flow meter. Track multiple filters simultaneously to ensure optimal performance and timely replacements.

**Highlights:** Read water filter capacity via Bluetooth, Connect to Bluetooth flow meter, Monitor multiple water filters, Track filter performance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SafeTrek+(iCar) free?

SafeTrek+(iCar) is free to download, with no in-app purchases.

### Is eFlow free?

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

### Do SafeTrek+(iCar) or eFlow have ads?

Neither SafeTrek+(iCar) nor eFlow shows ads.

### Which is updated more often, SafeTrek+(iCar) or eFlow?

SafeTrek+(iCar) ships an update every 2 months, and eFlow every 3 weeks. Most recently, SafeTrek+(iCar) was updated on November 2, 2026 and eFlow on October 24, 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.*