# Auto Agent vs Premix Calculator (2 Stroke)

The clearest difference is rating: Auto Agent at 4.9 against Premix Calculator (2 Stroke)'s 4.3. Auto Agent also leads on monetization model (free vs free with in-app purchases) and ratings volume (43K vs 11). Premix Calculator (2 Stroke)'s advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Auto Agent sells 6 one-off in-app purchases and Premix Calculator (2 Stroke) sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Auto Agent holds the better App Store score, 4.9 against 4.3. That said, the two scores are not equally well evidenced: Auto Agent has 43K ratings behind it against 11, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Auto Agent | Premix Calculator (2 Stroke) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (43K ratings)](https://appshunter.io/ios/app/auto-agent/id1110395367/reviews)** | [4.3 (11 ratings)](https://appshunter.io/ios/app/premix-calculator-2-stroke/id6749201236/reviews) |
| Number of ratings | **43K** | 11 |
| Positive reviews | 74.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 53 MB | 34 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +17 |
| Developer | [EZ LYNK](https://appshunter.io/developer/1110395366) | [Arsosa Network Inc.](https://appshunter.io/developer/1209042440) |

## What reviewers say

### 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 trouble codes, and share diagnostic recordings with your technician for remote assistance and software updates.

**Highlights:** View live vehicle data, Read and clear diagnostic trouble codes, Create and play back data recordings, Send data recordings to technicians, Enable 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


### Premix Calculator (2 Stroke)

[App page](https://appshunter.io/ios/app/premix-calculator-2-stroke/id6749201236)

Easily calculate the correct fuel-to-oil ratio for your 2-stroke engine. Input your desired mix and fuel amount to get the precise oil quantity needed, preventing engine damage and ensuring smooth operation. Includes helpful articles and guides.

**Highlights:** Calculate optimal fuel-to-oil mix ratio, Use premix chart for quick oil quantity lookup, Read informative articles on 2-stroke premixing, Eliminate guesswork in fuel mixing, Prevent engine damage

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Forever | $3.99 | one-time |


## Frequently asked questions

### Is Auto Agent free?

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

### Is Premix Calculator (2 Stroke) free?

Premix Calculator (2 Stroke) is free to download, with in-app purchases available.

### Which has better reviews, Auto Agent or Premix Calculator (2 Stroke)?

Auto Agent is rated higher. Auto Agent averages 4.9 out of 5 from 43K ratings, while Premix Calculator (2 Stroke) averages 4.3 from 11 ratings.

### Do Auto Agent or Premix Calculator (2 Stroke) have ads?

Neither Auto Agent nor Premix Calculator (2 Stroke) shows ads.

### Which is updated more often, Auto Agent or Premix Calculator (2 Stroke)?

Auto Agent ships an update every 3 months, and Premix Calculator (2 Stroke) every 3 months. Most recently, Auto Agent was updated on November 12, 2026 and Premix Calculator (2 Stroke) on November 5, 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.*