# eFlexApp vs I

The clearest difference is iOS requirement: I at 16.4 against eFlexApp's 26.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

eFlexApp ships an update monthly, I every 3 weeks. The most recent releases landed on October 17, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | eFlexApp | I |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (10 ratings)](https://appshunter.io/ios/app/eflexapp/id1526677191/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 53 MB | 116 MB |
| Requires iOS | 26.6 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [StepOne Tech Ltd](https://appshunter.io/developer/1388519134) | [GUIDEPOINT SYSTEMS EUROPE](https://appshunter.io/developer/1749496312) |

## What reviewers say

### eFlexApp

[App page](https://appshunter.io/ios/app/eflexapp/id1526677191)

Monitor your eFlexFuel device in real-time, with features varying by device version. Adjust settings like language, temperature units, and theme. Track ethanol content, engine temperature, and more, depending on your specific eFlexFuel model.

**Highlights:** Real-time device monitoring, Adjustable settings (language, temp, theme), Ethanol content tracking, Engine temperature monitoring, Device status checks, Bluetooth connectivity

**Features:** Vision Pro support

**In-app purchases:** none


### I

[App page](https://appshunter.io/ios/app/i-duv-canada/id6503607752)

**In-app purchases:** none


## Frequently asked questions

### Is eFlexApp free?

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

### Is I free?

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

### Do eFlexApp or I have ads?

Neither eFlexApp nor I shows ads.

### Which is updated more often, eFlexApp or I?

eFlexApp ships an update monthly, and I every 3 weeks. Most recently, eFlexApp was updated on October 17, 2026 and I on October 1, 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.*