# FixM4A vs Repair PDF fast

The clearest difference is in-app purchases: Repair PDF fast at none against FixM4A's 1. Repair PDF fast also leads on update cadence (daily vs every 4 days). FixM4A's advantage is iOS requirement (15.0 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. FixM4A sells 1 one-off in-app purchase. Repair PDF fast asks for nothing beyond the download.

FixM4A ships an update every 4 days, Repair PDF fast daily. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | FixM4A | Repair PDF fast |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 14 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Newkline Co., Ltd.](https://appshunter.io/developer/581922117) | [Antonio Gonzalez de la aleja german](https://appshunter.io/developer/1839645711) |

## What reviewers say

### FixM4A

[App page](https://appshunter.io/ios/app/fixm4a/id6743666599)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fix M4A | $3.99 | one-time |


### Repair PDF fast

[App page](https://appshunter.io/ios/app/repair-pdf-fast/id6757765913)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FixM4A free?

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

### Is Repair PDF fast free?

Repair PDF fast is free to download, with no in-app purchases.

### Do FixM4A or Repair PDF fast have ads?

Neither FixM4A nor Repair PDF fast shows ads.

### Which is updated more often, FixM4A or Repair PDF fast?

FixM4A ships an update every 4 days, and Repair PDF fast daily. Most recently, FixM4A was updated on October 19, 2026 and Repair PDF fast on October 14, 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.*