# 66铃声 vs Authenticator App

The clearest difference is rating: Authenticator App at 4.6 against 66铃声's 4.3. 66铃声's advantage is iOS requirement (12.1 vs 15.6). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. 66铃声 sells 4 in-app purchases, starting at $2.49 per month and Authenticator App sells 13 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Authenticator App holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 22 and 11 respectively.

66铃声 ships an update fortnightly, Authenticator App every 3 weeks. The most recent releases landed on August 25, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 66铃声 | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (22 ratings)](https://appshunter.io/ios/app/66/id1517634537/reviews) | **[4.6 (11 ratings)](https://appshunter.io/ios/app/authenticator-app-2fa-and-cloud/id6497714349/reviews)** |
| Number of ratings | **22** | 11 |
| Positive reviews | — | 20.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 78 MB | 48 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ABV Mobile](https://appshunter.io/developer/595885253) | [Beijing Haohai Xincheng Technology Co., Ltd](https://appshunter.io/developer/1737921321) |

## What reviewers say

### 66铃声

[App page](https://appshunter.io/ios/app/66/id1517634537)

Easily create custom ringtones by extracting audio from videos or audio files. Trim and edit sound clips to personalize your phone's alerts. Supports a wide range of iPhone models.

**Highlights:** Extract audio from videos, Extract audio from audio files, Quick audio trimming, Customizable sound clips, Direct ringtone setting, Wide iPhone model support

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度VIP会员 | $2.49 | per month |
| 半年VIP会员 | $8.49 | per 6 months |
| 年度VIP-新手特惠 | $8.99 | per year |
| 年度VIP会员 | $9.49 | per year |


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-and-cloud/id6497714349)

Secure your digital accounts with advanced two-factor authentication. This app offers cloud backup to prevent lockout, supports a wide range of services, and includes a password manager for all-in-one digital identity management. It provides enterprise-grade security and seamless integration for personal and professional use.

**Highlights:** iCloud Cloud Backup, 2FA support for 1000+ services, Apple Watch support, Integrated Password Manager, Offline code generation, Import from Photos

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week | $4.99 | per 7 days |
| Monthly | $5.59 | per month |
| Week | $5.99 | per 7 days |
| Monthly | $6.99 | per month |
| Week | $6.99 | per 7 days |
| Monthly | $6.99 | per month |
| Monthly | $7.99 | per month |
| Yearly | $23.99 | per year |
| Yearly | $24.99 | per year |
| Yearly | $49.99 | per year |
| permanent | $31.99 | one-time |
| Lifetime | $99.99 | one-time |
| permanent | $129.99 | one-time |


## Frequently asked questions

### Is 66铃声 free?

66铃声 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, 66铃声 or Authenticator App?

Authenticator App is rated higher. 66铃声 averages 4.3 out of 5 from 22 ratings, while Authenticator App averages 4.6 from 11 ratings.

### Do 66铃声 or Authenticator App have ads?

Both 66铃声 and Authenticator App show ads.

### Which is updated more often, 66铃声 or Authenticator App?

66铃声 ships an update fortnightly, and Authenticator App every 3 weeks. Most recently, 66铃声 was updated on August 25, 2026 and Authenticator App on September 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*