# Serene vs Authenticator App

The clearest difference is iOS requirement: Serene at 12.0 against Authenticator App's 16.0. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Serene sells 1 in-app purchase, starting at $39.99 per year and Authenticator App sells 2 in-app purchases, starting at $14.99 per year. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Serene against 5.0 for Authenticator App. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Serene ships an update every 2 weeks, Authenticator App weekly. The most recent releases landed on September 10, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Serene | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/serene-panic-attack-relief/id6466402220/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/authenticator-app-otp-and-2fa/id6502824774/reviews) |
| Number of ratings | **5** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 71 MB | 10 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Payal Seth](https://appshunter.io/developer/571307498) | [Rayane Kurrimboccus](https://appshunter.io/developer/1689944594) |

## What reviewers say

### Serene

[App page](https://appshunter.io/ios/app/serene-panic-attack-relief/id6466402220)

This app offers tools to help manage anxiety and panic attacks. It provides guided modules for relaxation, meditation, sleep, and affirmations. Designed for on-the-go use, it aims to provide a simple and aesthetic user experience for immediate relief.

**Highlights:** Visualize to calm panic attacks, Meditate to reduce anxiety, Improve sleep quality, Use affirmations for motivation, Help mode for immediate relief, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Serene Yearly Plan | $39.99 | per year |


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-otp-and-2fa/id6502824774)

Securely store and generate two-factor authentication codes with end-to-end encryption. Syncs across all your Apple devices and offers offline access, making logins quick and easy.

**Highlights:** End-to-end encryption, iCloud sync across devices, Home Screen widget, Offline code generation, Easy import from other apps, Supports all popular services, Advanced OTP options

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro version - Yearly | $14.99 | per year |
| Pro version - Lifetime | $34.99 | one-time |


## Frequently asked questions

### Is Serene free?

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

### Is Authenticator App free?

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

### Which has better reviews, Serene or Authenticator App?

Serene and Authenticator App are both rated 5.0 out of 5 on the App Store, from 5 and 3 ratings respectively.

### Do Serene or Authenticator App have ads?

Neither Serene nor Authenticator App shows ads.

### Which is updated more often, Serene or Authenticator App?

Serene ships an update every 2 weeks, and Authenticator App weekly. Most recently, Serene was updated on September 10, 2026 and Authenticator App on September 23, 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.*