Comparison

BDM Tool vs FixM4A

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

Head to head

Recover M4A files

About

BDM Tool

Features

Read full description

Control the device by using mobile phone bluetooth

About

FixM4A

This utility tool aims to recover unplayable M4A audio files corrupted by truncation or damage. It extracts and converts available data from damaged files to restore them. Users select the corrupted file and a similar good file to initiate the repair process.

Highlights

Repair truncated M4A files
Recover corrupted audio
Extract data from damaged files
Convert restored audio
User-friendly repair process

Features

Read full description

This tool attempts to repair M4A audio files that are unplayable due to accidental truncation and corruption. It extracts and converts as much data as possible from the damaged audio to restore it. ⊙ How to use: 1. Select the 'Truncated M4A Audio' file. 2. Select a similar, good M4A audio file. 3. Click the 'Convert' button to begin the repair process.

Screenshots

BDM Tool3 screens

FixM4A2 screens

Verdict

The call

The clearest difference is in-app purchases: BDM Tool at none against FixM4A's 1. FixM4A's advantage is update cadence (every 4 days vs monthly). On price, ads, device support and iOS requirement 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. FixM4A sells 1 one-off in-app purchase. BDM Tool asks for nothing beyond the download.

UpkeepUpdate frequency

BDM Tool ships an update monthly, FixM4A every 4 days. The most recent releases landed on September 15, 2026 and September 19, 2026 respectively.

Scorecard2 real differences · 6 level

BDM Tool versus FixM4A: the parameters behind the verdict, then further details
Parameter	BDM Tool	FixM4A
Price	Free	Free
Positive reviews	—	100.0% of reviews
Update frequency	Monthly	Every 4 days — better
Ads	No	No
In-app purchases	No — better	Yes
Monetization	—	Free with in-app purchases
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.6	15.0 — better
Further details — not scored
Size	7 MB	11 MB
Age rating	4+	4+
Developer	Jian Ying Huaung	Newkline Co., Ltd.

In-app purchases

None

BDM Tool

No in-app purchases

1 purchases

FixM4A

One-time1

Fix M4A$3.99

Questions

Is BDM Tool free?

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

Is FixM4A free?

FixM4A is free to download, with in-app purchases available.

Do BDM Tool or FixM4A have ads?

Neither BDM Tool nor FixM4A shows ads.

Which is updated more often, BDM Tool or FixM4A?

BDM Tool ships an update monthly, and FixM4A every 4 days. Most recently, BDM Tool was updated on September 15, 2026 and FixM4A on September 19, 2026.