# ANCEL Echo vs Zero Authenticator

The clearest difference is iOS requirement: Zero Authenticator at 14.0 against ANCEL Echo's 16.6. 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.

## The numbers

| Metric | ANCEL Echo | Zero Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (6 ratings)](https://appshunter.io/ios/app/ancel-echo/id6504076958/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | Free | — |
| Size | 337 MB | 39 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OBDSPACE TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1434956144) | [Blackrock Software s.r.o.](https://appshunter.io/developer/1684577323) |

## What reviewers say

### ANCEL Echo

[App page](https://appshunter.io/ios/app/ancel-echo/id6504076958)

This app offers professional vehicle diagnostics, allowing users to check their car's health, identify malfunctions, and receive maintenance guidance. It provides real-time sensor data and AI services to help users understand and care for their vehicles, saving time and money on repairs.

**Highlights:** OBD functionality, Enhanced diagnosis, Vehicle maintenance guidance, Locate malfunction causes, Real-time sensor data monitoring, AI services, Abnormal warnings

**Features:** macOS Compatibility

**In-app purchases:** none


### Zero Authenticator

[App page](https://appshunter.io/ios/app/zero-authenticator/id6740334978)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ANCEL Echo free?

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

### Is Zero Authenticator free?

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

### Do ANCEL Echo or Zero Authenticator have ads?

Neither ANCEL Echo nor Zero Authenticator shows ads.

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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.*