# iQuad by Quadzilla vs Auto Agent

The clearest difference is rating: Auto Agent at 4.9 against iQuad by Quadzilla's 4.0. Auto Agent also leads on review sentiment (75% vs 49%) and ratings volume (42K vs 40). iQuad by Quadzilla's advantage is in-app purchases (none vs 6) and iOS requirement (9.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Auto Agent sells 6 one-off in-app purchases. iQuad by Quadzilla asks for nothing beyond the download.

Auto Agent holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: Auto Agent has 42K ratings behind it against 40, so its average is the more settled of the two. Written reviews point the same way: 49% of iQuad by Quadzilla's written reviews are positive against 75% of Auto Agent's.

iQuad by Quadzilla ships an update every 4 months, Auto Agent every 3 months. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | iQuad by Quadzilla | Auto Agent |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (40 ratings)](https://appshunter.io/ios/app/iquad-by-quadzilla/id404644624/reviews) | **[4.9 (42K ratings)](https://appshunter.io/ios/app/auto-agent/id1110395367/reviews)** |
| Number of ratings | 40 | **42K** |
| Positive reviews | 48.8% of reviews | **74.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 69 MB | 53 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Quadzilla Power, LLC](https://appshunter.io/developer/1018307322) | [EZ LYNK](https://appshunter.io/developer/1110395366) |

## What reviewers say

### iQuad by Quadzilla

[App page](https://appshunter.io/ios/app/iquad-by-quadzilla/id404644624)

This app provides wireless control and on-the-fly adjustments for specific performance modules. Monitor numerous engine parameters, customize gauge displays, and set safety limits. It offers advanced tuning capabilities and works with all compatible modules regardless of vehicle make or model.

**Highlights:** Wireless control, On-the-fly power changes, Up to 40+ monitored parameters, Customizable gauge displays, Turbo timer control, Data logging, Safety settings

**Features:** macOS Compatibility

**In-app purchases:** none


### Auto Agent

[App page](https://appshunter.io/ios/app/auto-agent/id1110395367)

Monitor, diagnose, and update your vehicle's software remotely. This powerful tool allows you to view live data, read and clear diagnostic codes, and record data for your technician. Connect directly with your mechanic for remote assistance and software updates, saving you trips to the repair shop.

**Highlights:** Display live vehicle data, Read and clear diagnostic trouble codes, Create and playback data recordings, Send data recordings to technician, Remote technician assistance, Install vehicle software updates

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 credit | $1.99 | one-time |
| 5 credits | $9.99 | one-time |
| 10 credits | $19.99 | one-time |
| 20 credits | $39.99 | one-time |
| 50 credits | $99.99 | one-time |
| 100 credits | $199.99 | one-time |

**What reviewers like**

- 🚀 Great monitoring tool
- 🔧 Useful for tuning and diagnostics
- 👍 Easy to use and navigate
- 💯 Excellent customer service
- 🔋 Improved fuel economy

**What reviewers complain about**

- 🐛 Connection issues
- 🤔 Lacking some customization options
- 🔌 Compatibility problems with updates
- 📵 No native CarPlay support
- 🤷‍♂️ Unreliable tune updates

**Reported bugs**

- App crashes and freezes
- Disconnection issues with the device
- Tune files disappearing or becoming inaccessible
- Compatibility problems with iOS 14 updates
- Unreliable Wi-Fi connectivity

**Requested features**

- Native support for Apple CarPlay
- More customization options for gauges and titles
- Ability to monitor more parameters
- Improved GPS speed accuracy
- Sound alerts for warning indicators


## Frequently asked questions

### Is iQuad by Quadzilla free?

iQuad by Quadzilla is free to download, with no in-app purchases.

### Is Auto Agent free?

Auto Agent is free to download, with in-app purchases available.

### Which has better reviews, iQuad by Quadzilla or Auto Agent?

Auto Agent is rated higher. iQuad by Quadzilla averages 4.0 out of 5 from 40 ratings, while Auto Agent averages 4.9 from 42K ratings.

### Do iQuad by Quadzilla or Auto Agent have ads?

Neither iQuad by Quadzilla nor Auto Agent shows ads.

### Which is updated more often, iQuad by Quadzilla or Auto Agent?

iQuad by Quadzilla ships an update every 4 months, and Auto Agent every 3 months. Most recently, iQuad by Quadzilla was updated on October 16, 2026 and Auto Agent 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.*