# Smart Focus vs FixM4A

The clearest difference is update cadence: FixM4A at every 4 days against Smart Focus's every 10 days. FixM4A also leads on iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Smart Focus sells 3 in-app purchases, starting at $0.99 per month and FixM4A sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Smart Focus ships an update every 10 days, FixM4A every 4 days. The most recent releases landed on November 8, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Smart Focus | FixM4A |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 11 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Stephane DEFAYE](https://appshunter.io/developer/1782119826) | [Newkline Co., Ltd.](https://appshunter.io/developer/581922117) |

## What reviewers say

### Smart Focus

[App page](https://appshunter.io/ios/app/smart-focus/id6738873090)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smart Focus | $0.99 | per month |
| Smart Focus | $1.99 | per year |
| Smart Focus (Lifetime) | $3.99 | one-time |


### 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 |


## Frequently asked questions

### Is Smart Focus free?

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

### Is FixM4A free?

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

### Do Smart Focus or FixM4A have ads?

Neither Smart Focus nor FixM4A shows ads.

### Which is updated more often, Smart Focus or FixM4A?

Smart Focus ships an update every 10 days, and FixM4A every 4 days. Most recently, Smart Focus was updated on November 8, 2026 and FixM4A on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*