# iKeyFreePro vs Author BT Update

The clearest difference is update cadence: Author BT Update at monthly against iKeyFreePro's every 7 months. iKeyFreePro's advantage is device support (3 vs 1) and iOS requirement (10.0 vs 16.0). On price, 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.

iKeyFreePro ships an update every 7 months, Author BT Update monthly. Both last shipped on October 10, 2026.

## The numbers

| Metric | iKeyFreePro | Author BT Update |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ikeyfreepro/id1438869915/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Free | — |
| Size | 32 MB | 4 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DAESUNG RO](https://appshunter.io/developer/1279690882) | [AUTHOR-ALARM](https://appshunter.io/developer/1344731145) |

## What reviewers say

### iKeyFreePro

[App page](https://appshunter.io/ios/app/ikeyfreepro/id1438869915)

This app allows you to lock and unlock your car doors using your smartphone, eliminating the need for a physical key fob. It offers features like automatic unlocking when you approach your vehicle and automatic locking when you move away. You can also use a PIN code as a backup.

**Highlights:** Smartphone control for car doors, Automatic door unlocking on approach, Automatic door locking at a distance, One-touch lock and unlock, PIN code backup access, Supports up to five smartphones per vehicle

**Features:** macOS Compatibility

**In-app purchases:** none


### Author BT Update

[App page](https://appshunter.io/ios/app/author-bt-update/id6475983875)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iKeyFreePro free?

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

### Is Author BT Update free?

Author BT Update is free to download, with no in-app purchases.

### Do iKeyFreePro or Author BT Update have ads?

Neither iKeyFreePro nor Author BT Update shows ads.

### Which is updated more often, iKeyFreePro or Author BT Update?

iKeyFreePro ships an update every 7 months, and Author BT Update monthly. Most recently, iKeyFreePro was updated on October 10, 2026 and Author BT Update on October 10, 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.*