Comparison

Author BT Update vs ADONN

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Author BT Update

for Author-Alarm devices

About

Author BT Update

Features

Read full description

The Author-Alarm Firmware Update Utility is a powerful tool designed to facilitate the seamless updating of firmware for Author-Alarm devices. Secure Firmware Downloads: Firmware updates are sourced securely from Author-Alarm servers, guaranteeing the authenticity and integrity of the files. This safeguards against potential security threats and ensures a reliable update process. User-Friendly Interface: The utility boasts an intuitive and user-friendly interface, making it accessible to both novice and experienced users. Clear navigation and instructions guide users through the firmware update process. Device Compatibility: The utility is engineered to support a variety of Author-Alarm devices, including but not limited to alarm systems, immobilizers, and tracking units.

About

ADONN

Features

Read full description

ADONN APP is a mobile phone tuning software for wireless Bluetooth of audio processor of automotive DSP Power ADONN's unique sound tuning technology to tuning the conditionsinside your car, then corrects and optimizes the sound, and ensuring ideal soundresults.

Screenshots

Author BT Update3 screens

ADONN4 screens

Verdict

The call

The clearest difference is update cadence: Author BT Update at monthly against ADONN's every 4 months. ADONN's advantage is iOS requirement (11.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Author BT Update ships an update monthly, ADONN every 4 months. The most recent releases landed on September 8, 2026 and September 19, 2026 respectively.

Scorecard2 real differences · 4 level

Author BT Update versus ADONN: the parameters behind the verdict, then further details
Parameter	Author BT Update	ADONN
Price	Free	Free
Update frequency	Monthly — better	Every 4 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone	iPhone, iPod — better
Requires iOS	16.0	11.0 — better
Further details — not scored
Size	4 MB	18 MB
Age rating	4+	17+
Developer	AUTHOR-ALARM	wei lyu

In-app purchases

None

Author BT Update

No in-app purchases

None

ADONN

No in-app purchases

Questions

Is Author BT Update free?

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

Is ADONN free?

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

Do Author BT Update or ADONN have ads?

Neither Author BT Update nor ADONN shows ads.

Which is updated more often, Author BT Update or ADONN?

Author BT Update ships an update monthly, and ADONN every 4 months. Most recently, Author BT Update was updated on September 8, 2026 and ADONN on September 19, 2026.