# Sono S2 vs Authenticator

The clearest difference is monetization model: Authenticator at free with in-app purchases against Sono S2's subscription. Authenticator also leads on update cadence (every 4 days vs fortnightly). Sono S2's advantage is rating (4.6 vs 4.3) and ratings volume (159 vs 6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sono S2 sells 3 in-app purchases, starting at $3.99 per 7 days and Authenticator sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Sono S2 holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Sono S2 has 159 ratings behind it against 6, so its average is the more settled of the two.

Sono S2 ships an update fortnightly, Authenticator every 4 days. The most recent releases landed on September 21, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Sono S2 | Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (159 ratings)](https://appshunter.io/ios/app/sono-s2-speaker-controller/id6739945660/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/authenticator-password-keeper/id6743125741/reviews) |
| Number of ratings | **159** | 6 |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 59 MB | 11 MB |
| Requires iOS | **15.0** | 16 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Phu Bui](https://appshunter.io/developer/1787575789) | [Hans Laustsen](https://appshunter.io/developer/1818105515) |

## What reviewers say

### Sono S2

[App page](https://appshunter.io/ios/app/sono-s2-speaker-controller/id6739945660)

Control your smart speakers with ease, supporting both Wifi and Bluetooth/Airplay connections. Stream music from the internet, record your voice or songs, and cast them directly to your speakers. Unlock a richer audio experience for your smart speaker setup.

**Highlights:** Connects speakers via Wifi, Bluetooth/Airplay, Internet music discovery and playback, Voice and song recording feature, Direct casting of recordings to speakers, Supports Sonos and other smart speakers

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Monthly | $7.99 | per month |
| Lifetime | $19.99 | one-time |


### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-password-keeper/id6743125741)

This app provides free two-factor and multi-factor authentication for your online accounts. It also offers a password manager with autofill, encrypted backups, and a built-in VPN for enhanced digital security.

**Highlights:** Two-Factor Authentication (2FA), Password Manager with Autofill, Encrypted Backups, Cross-Device Sync, Offline Access, Built-In VPN Protection

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Trial Subscription | $6.99 | per 7 days |
| Weekly Subscription | $6.99 | per 7 days |
| Premium | $3.99 | one-time |


## Frequently asked questions

### Is Sono S2 free?

Sono S2 is free to download, with in-app purchases available.

### Is Authenticator free?

Authenticator is free to download, with in-app purchases available.

### Which has better reviews, Sono S2 or Authenticator?

Sono S2 is rated higher. Sono S2 averages 4.6 out of 5 from 159 ratings, while Authenticator averages 4.3 from 6 ratings.

### Do Sono S2 or Authenticator have ads?

Neither Sono S2 nor Authenticator shows ads.

### Which is updated more often, Sono S2 or Authenticator?

Sono S2 ships an update fortnightly, and Authenticator every 4 days. Most recently, Sono S2 was updated on September 21, 2026 and Authenticator on June 4, 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.*