# MFA vs Silent Time signal

The clearest difference is ads: MFA at none against Silent Time signal's shown. MFA also leads on iOS requirement (9.3 vs 15.8.3). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 26, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | MFA | Silent Time signal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Size | 29 MB | 35 MB |
| Requires iOS | **9.3** | 15.8.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Isao Uchida](https://appshunter.io/developer/1341625060) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### MFA

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

**In-app purchases:** none


### Silent Time signal

[App page](https://appshunter.io/ios/app/silent-time-signal/id6505082058)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MFA free?

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

### Is Silent Time signal free?

Silent Time signal is free to download, with no in-app purchases.

### Do MFA or Silent Time signal have ads?

Silent Time signal shows ads; MFA does not.

### Which is updated more often, MFA or Silent Time signal?

MFA ships an update fortnightly, and Silent Time signal fortnightly. Most recently, MFA was updated on October 26, 2026 and Silent Time signal on October 13, 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.*