# PLX Devices BT LE Programmer vs INFINIT SMART KEY

The clearest difference is update cadence: INFINIT SMART KEY at every 5 weeks against PLX Devices BT LE Programmer's every 15 months. On price, ads, in-app purchases and device support there is nothing between them.

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

PLX Devices BT LE Programmer ships an update every 15 months, INFINIT SMART KEY every 5 weeks. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | PLX Devices BT LE Programmer | INFINIT SMART KEY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 5 weeks** |
| Size | 4 MB | 54 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PLX Devices, INC.](https://appshunter.io/developer/388327605) | [Hatem Alsehimi](https://appshunter.io/developer/1797489738) |

## What reviewers say

### PLX Devices BT LE Programmer

[App page](https://appshunter.io/ios/app/plx-devices-bt-le-programmer/id6737182255)

**Features:** macOS Compatibility

**In-app purchases:** none


### INFINIT SMART KEY

[App page](https://appshunter.io/ios/app/infinit-smart-key/id6743720893)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PLX Devices BT LE Programmer free?

PLX Devices BT LE Programmer is free to download, with no in-app purchases.

### Is INFINIT SMART KEY free?

INFINIT SMART KEY is free to download, with no in-app purchases.

### Do PLX Devices BT LE Programmer or INFINIT SMART KEY have ads?

Neither PLX Devices BT LE Programmer nor INFINIT SMART KEY shows ads.

### Which is updated more often, PLX Devices BT LE Programmer or INFINIT SMART KEY?

PLX Devices BT LE Programmer ships an update every 15 months, and INFINIT SMART KEY every 5 weeks. Most recently, PLX Devices BT LE Programmer was updated on October 10, 2026 and INFINIT SMART KEY 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.*