# Autel MaxiFix vs ACV Viper

The clearest difference is update cadence: ACV Viper at fortnightly against Autel MaxiFix's every 2 months. Autel MaxiFix's advantage is iOS requirement (13.0 vs 17.0). 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.

Autel MaxiFix ships an update every 2 months, ACV Viper fortnightly. The most recent releases landed on October 27, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Autel MaxiFix | ACV Viper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/autel-maxifix/id1513913712/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 138 MB | 190 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Xi'an Daotong Technology Co., Ltd.](https://appshunter.io/developer/1636794328) | [ACV Auctions Inc](https://appshunter.io/developer/969808942) |

## What reviewers say

### Autel MaxiFix

[App page](https://appshunter.io/ios/app/autel-maxifix/id1513913712)

Access OE-level expert auto repair services for mainstream models, including complex areas like ADAS and ECU programming. Connect with a team of experts to tackle difficult vehicle issues remotely and ensure stable network connections for programming.

**Highlights:** OE-level expert auto repair services, Support for mainstream models, Expertise in ADAS and ECU programming, Remote assistance for difficult issues, Stable network connection for programming

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

**In-app purchases:** none


### ACV Viper

[App page](https://appshunter.io/ios/app/acv-viper/id6476239640)

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

**In-app purchases:** none


## Frequently asked questions

### Is Autel MaxiFix free?

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

### Is ACV Viper free?

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

### Do Autel MaxiFix or ACV Viper have ads?

Neither Autel MaxiFix nor ACV Viper shows ads.

### Which is updated more often, Autel MaxiFix or ACV Viper?

Autel MaxiFix ships an update every 2 months, and ACV Viper fortnightly. Most recently, Autel MaxiFix was updated on October 27, 2026 and ACV Viper on October 16, 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.*