# Audio Speed Modifier vs MemFlow

The clearest difference is in-app purchases: MemFlow at none against Audio Speed Modifier's 1. MemFlow also leads on update cadence (daily vs every 10 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Audio Speed Modifier sells 1 one-off in-app purchase. MemFlow asks for nothing beyond the download.

Audio Speed Modifier ships an update every 10 days, MemFlow daily. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Audio Speed Modifier | MemFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Daily** |
| Size | 58 MB | 8 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Na Liang](https://appshunter.io/developer/1810299415) | [加康 王](https://appshunter.io/developer/1872087045) |

## What reviewers say

### Audio Speed Modifier

[App page](https://appshunter.io/ios/app/audio-speed-modifier/id6746383239)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $2.99 | one-time |


### MemFlow

[App page](https://appshunter.io/ios/app/memflow-audio-memory-vault/id6761182937)

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

**In-app purchases:** none


## Frequently asked questions

### Is Audio Speed Modifier free?

Audio Speed Modifier is free to download, with in-app purchases available.

### Is MemFlow free?

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

### Do Audio Speed Modifier or MemFlow have ads?

Neither Audio Speed Modifier nor MemFlow shows ads.

### Which is updated more often, Audio Speed Modifier or MemFlow?

Audio Speed Modifier ships an update every 10 days, and MemFlow daily. Most recently, Audio Speed Modifier was updated on September 17, 2026 and MemFlow on September 18, 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.*