# EV3 Attribute Programmer vs FKey

The clearest difference is rating: EV3 Attribute Programmer at 5.0 against FKey's 3.7. EV3 Attribute Programmer also leads on in-app purchases (none vs 6) and ads (none vs shown). FKey's advantage is ratings volume (753 vs 2) and iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. FKey sells 3 in-app purchases, starting at $5.99 per month. EV3 Attribute Programmer asks for nothing beyond the download.

EV3 Attribute Programmer holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: FKey has 753 ratings behind it against 2, so its average is the more settled of the two.

EV3 Attribute Programmer ships an update every 2 months, FKey every 3 months. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | EV3 Attribute Programmer | FKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ev3-attribute-programmer/id1593075625/reviews)** | [3.7 (753 ratings)](https://appshunter.io/ios/app/fkey-boost-game-and-reduce-ping/id6758829249/reviews) |
| Number of ratings | 2 | **753** |
| Positive reviews | — | 55.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free** | Ad-supported |
| Size | 87 MB | 104 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [ISSPRO, Inc.](https://appshunter.io/developer/1593075627) | [SOON BODYWERKZ AUTO PTE. LTD.](https://appshunter.io/developer/1632168927) |

## What reviewers say

### EV3 Attribute Programmer

[App page](https://appshunter.io/ios/app/ev3-attribute-programmer/id1593075625)

This application allows users to modify various attributes of EV3 gauges directly from their mobile device. Features include customizing LED colors, adjusting dimmer settings, and configuring output driver behaviors. It also enables fine-tuning of sensor parameters and warning light functionalities.

**Highlights:** Backlight LED color editor, Dimmer input voltage adjustment, Gauge BLE broadcast name configuration, Output driver activation thresholds, Pointer color and sweep weight, Sensor curve coefficients, Warning light activation thresholds

**Features:** macOS Compatibility

**In-app purchases:** none


### FKey

[App page](https://appshunter.io/ios/app/fkey-boost-game-and-reduce-ping/id6758829249)

This app uses intelligent routing and real-time optimization to eliminate game lag and ensure smooth gameplay. It automatically detects the fastest routes to game servers, reduces latency by up to 80%, and supports a wide range of game genres globally. Simply select your game and tap 'Boost' for an accelerated gaming experience.

**Highlights:** Intelligent multi-path routing, Real-time network optimization, Global server coverage, One-tap game boost, Low resource usage, Ad-free gaming experience

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| 3 Months | $11.99 | per 3 months |
| 12 Months | $41.99 | per year |


## Frequently asked questions

### Is EV3 Attribute Programmer free?

EV3 Attribute Programmer is free to download, with no in-app purchases.

### Is FKey free?

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

### Which has better reviews, EV3 Attribute Programmer or FKey?

EV3 Attribute Programmer is rated higher. EV3 Attribute Programmer averages 5.0 out of 5 from 2 ratings, while FKey averages 3.7 from 753 ratings.

### Do EV3 Attribute Programmer or FKey have ads?

FKey shows ads; EV3 Attribute Programmer does not.

### Which is updated more often, EV3 Attribute Programmer or FKey?

EV3 Attribute Programmer ships an update every 2 months, and FKey every 3 months. Most recently, EV3 Attribute Programmer was updated on October 6, 2026 and FKey on October 17, 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.*