# iDataLink Maestro Central vs Author BT Update

The clearest difference is update cadence: Author BT Update at monthly against iDataLink Maestro Central's every 2 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.

iDataLink Maestro Central ships an update every 2 months, Author BT Update monthly. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | iDataLink Maestro Central | Author BT Update |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/idatalink-maestro-central/id6468587230/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 22 MB | 4 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Automotive Data Solutions Inc](https://appshunter.io/developer/560261291) | [AUTHOR-ALARM](https://appshunter.io/developer/1344731145) |

## What reviewers say

### iDataLink Maestro Central

[App page](https://appshunter.io/ios/app/idatalink-maestro-central/id6468587230)

This application allows users to program, maintain, and customize compatible iDatalink Maestro products for their vehicles. It connects wirelessly via Bluetooth, enabling remote interaction with supported devices for firmware updates and configuration.

**Highlights:** Vehicle programming, Product maintenance, Customization options, Wireless Bluetooth connectivity, Firmware updates, Configuration management

**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 iDataLink Maestro Central free?

iDataLink Maestro Central 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 iDataLink Maestro Central or Author BT Update have ads?

Neither iDataLink Maestro Central nor Author BT Update shows ads.

### Which is updated more often, iDataLink Maestro Central or Author BT Update?

iDataLink Maestro Central ships an update every 2 months, and Author BT Update monthly. Most recently, iDataLink Maestro Central was updated on October 24, 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.*