# SingleID Authenticator vs NowSignal

The clearest difference is ads: SingleID Authenticator at none against NowSignal's shown. SingleID Authenticator also leads on iOS requirement (13.0 vs 15.1). NowSignal's advantage is update cadence (weekly vs every 2 months). On price, 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.

SingleID Authenticator ships an update every 2 months, NowSignal weekly. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SingleID Authenticator | NowSignal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.3 (13 ratings)](https://appshunter.io/ios/app/singleid-authenticator/id1554967838/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 6.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 54 MB | 26 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SAMSUNG SDS Co.,LTD](https://appshunter.io/developer/434934743) | [Peach (KR)](https://appshunter.io/developer/1765705176) |

## What reviewers say

### SingleID Authenticator

[App page](https://appshunter.io/ios/app/singleid-authenticator/id1554967838)

This app provides a convenient way to manage multi-factor authentication for various business systems. It supports biometric, PIN, TOTP, and mOTP methods for easy login. Initial setup involves scanning a QR code or manually entering a service code.

**Highlights:** Multi-Factor Authentication (MFA), Biometric login support, PIN authentication, TOTP and mOTP support, QR code registration, Mobile push authentication

**Features:** Vision Pro support

**In-app purchases:** none


### NowSignal

[App page](https://appshunter.io/ios/app/nowsignal/id6794985810)

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

**In-app purchases:** none


## Frequently asked questions

### Is SingleID Authenticator free?

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

### Is NowSignal free?

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

### Do SingleID Authenticator or NowSignal have ads?

NowSignal shows ads; SingleID Authenticator does not.

### Which is updated more often, SingleID Authenticator or NowSignal?

SingleID Authenticator ships an update every 2 months, and NowSignal weekly. Most recently, SingleID Authenticator was updated on October 8, 2026 and NowSignal on October 10, 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.*