# Defi Meter C vs EFXLink

The clearest difference is rating: EFXLink at 5.0 against Defi Meter C's 3.3. Defi Meter C's advantage is ratings volume (4 vs 1) and iOS requirement (8.0 vs 15.0). 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.

EFXLink holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Defi Meter C ships an update every 5 weeks, EFXLink every 3 weeks. The most recent releases landed on October 8, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Defi Meter C | EFXLink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (4 ratings)](https://appshunter.io/ios/app/defi-meter-c/id887419339/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/efxlink/id6444688070/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 6 MB | 24 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Defi](https://appshunter.io/developer/887419342) | [Dongguan Enfitnix Technology Co., Ltd.](https://appshunter.io/developer/1656164350) |

## What reviewers say

### Defi Meter C

[App page](https://appshunter.io/ios/app/defi-meter-c/id887419339)

Connects to the Defi Smart Adapter W via Bluetooth to display vehicle data from ADVANCE Control Unit or OBD on your iOS device. View various sensor readings like speed, RPM, and temperature in analog or digital formats.

**Highlights:** Bluetooth connectivity, Displays vehicle sensor data, Analog and digital meter views, Customizable meter styles, Supports various sensor readings

**Features:** macOS Compatibility

**In-app purchases:** none


### EFXLink

[App page](https://appshunter.io/ios/app/efxlink/id6444688070)

Control your Enfitnix bicycle taillights wirelessly via Bluetooth. Adjust brightness, alarm functions, and flashing modes. The app also allows for OTA updates and displays remaining battery power.

**Highlights:** Bluetooth taillight connection, Alarm function on/off, Brightness adjustment, Brake sensing switch, Automatic mode switch, OTA firmware updates, Battery power display

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

**In-app purchases:** none


## Frequently asked questions

### Is Defi Meter C free?

Defi Meter C is free to download, with no in-app purchases.

### Is EFXLink free?

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

### Which has better reviews, Defi Meter C or EFXLink?

EFXLink is rated higher. Defi Meter C averages 3.3 out of 5 from 4 ratings, while EFXLink averages 5.0 from 1 ratings.

### Do Defi Meter C or EFXLink have ads?

Neither Defi Meter C nor EFXLink shows ads.

### Which is updated more often, Defi Meter C or EFXLink?

Defi Meter C ships an update every 5 weeks, and EFXLink every 3 weeks. Most recently, Defi Meter C was updated on October 8, 2026 and EFXLink on September 23, 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.*