# MFA vs NoiseAlert

The clearest difference is iOS requirement: MFA at 9.3 against NoiseAlert's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

MFA ships an update fortnightly, NoiseAlert every 11 days. The most recent releases landed on September 8, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | MFA | NoiseAlert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 11 days** |
| Size | 29 MB | 6 MB |
| Requires iOS | **9.3** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Isao Uchida](https://appshunter.io/developer/1341625060) | [satoshi amasaki](https://appshunter.io/developer/1891268722) |

## What reviewers say

### MFA

[App page](https://appshunter.io/ios/app/mfa/id1341625151)

**In-app purchases:** none


### NoiseAlert

[App page](https://appshunter.io/ios/app/noisealert/id6762494482)

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

**In-app purchases:** none


## Frequently asked questions

### Is MFA free?

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

### Is NoiseAlert free?

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

### Do MFA or NoiseAlert have ads?

Neither MFA nor NoiseAlert shows ads.

### Which is updated more often, MFA or NoiseAlert?

MFA ships an update fortnightly, and NoiseAlert every 11 days. Most recently, MFA was updated on September 8, 2026 and NoiseAlert 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.*