# SingleID Authenticator vs Moto Sound Flow

The clearest difference is rating: Moto Sound Flow at 5.0 against SingleID Authenticator's 1.3. SingleID Authenticator's advantage is ratings volume (13 vs 1). 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.

Moto Sound Flow holds the better App Store score, 5.0 against 1.3. That said, the two scores are not equally well evidenced: SingleID Authenticator has 13 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on October 8, 2026.

## The numbers

| Metric | SingleID Authenticator | Moto Sound Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (13 ratings)](https://appshunter.io/ios/app/singleid-authenticator/id1554967838/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/moto-sound-flow/id6755713045/reviews)** |
| Number of ratings | **13** | 1 |
| Positive reviews | 6.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 54 MB | 49 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SAMSUNG SDS Co.,LTD](https://appshunter.io/developer/434934743) | [Motorola Mobility LLC](https://appshunter.io/developer/711575963) |

## 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


### Moto Sound Flow

[App page](https://appshunter.io/ios/app/moto-sound-flow/id6755713045)

Control your audio experience with this speaker companion app. Features include stereo pairing, sound distribution, preset equalization profiles, and seamless music transfer between devices and speakers.

**Highlights:** Stereo pairing, Sound distribution control, Preset equalization profiles, Quick music transfer, Room-aware music shifting

**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 Moto Sound Flow free?

Moto Sound Flow is free to download, with no in-app purchases.

### Which has better reviews, SingleID Authenticator or Moto Sound Flow?

Moto Sound Flow is rated higher. SingleID Authenticator averages 1.3 out of 5 from 13 ratings, while Moto Sound Flow averages 5.0 from 1 ratings.

### Do SingleID Authenticator or Moto Sound Flow have ads?

Neither SingleID Authenticator nor Moto Sound Flow shows ads.

### Which is updated more often, SingleID Authenticator or Moto Sound Flow?

SingleID Authenticator ships an update every 2 months, and Moto Sound Flow every 2 months. Most recently, SingleID Authenticator was updated on October 8, 2026 and Moto Sound Flow on October 8, 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.*