# Sync with S3 vs 2FA Authenticator

The clearest difference is rating: 2FA Authenticator at 5.0 against Sync with S3's 1.0. 2FA Authenticator also leads on update cadence (every 10 days vs every 2 months) and device support (4 vs 2). Sync with S3's advantage is iOS requirement (15.6 vs 18.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Sync with S3 sells 2 in-app purchases, starting at $2.99 per month and 2FA Authenticator sells 4 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

2FA Authenticator holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Sync with S3 ships an update every 2 months, 2FA Authenticator every 10 days. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Sync with S3 | 2FA Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/sync-with-s3/id6499503555/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/2fa-authenticator-moat/id6771759148/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Freemium | Freemium |
| Size | 27 MB | 21 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Pixegram, LLC](https://appshunter.io/developer/1157672404) | [俊峰 罗](https://appshunter.io/developer/1803006171) |

## What reviewers say

### Sync with S3

[App page](https://appshunter.io/ios/app/sync-with-s3/id6499503555)

Automatically back up your phone's photos and videos to S3 storage, preserving your album and folder structure. It mirrors your library, uploads edited media and Live Photos, and ensures your S3 storage matches your device without deleting any original files.

**Highlights:** Syncs photo library to S3, Preserves album and folder hierarchy, Uploads edited photos and videos, Supports Live Photos video component, One-way sync, no phone data deletion, Selective folder/album syncing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Monthly | $2.99 | per month |
| Premium - Yearly | $19.99 | per year |


### 2FA Authenticator

[App page](https://appshunter.io/ios/app/2fa-authenticator-moat/id6771759148)

Securely manage your two-factor authentication codes and passwords with end-to-end encryption. Generate OTPs for thousands of services, sync across devices, and optionally monitor for password breaches. Works offline with no account required.

**Highlights:** Generate 2FA codes (TOTP & HOTP), End-to-end encrypted backup & sync, Zero-knowledge security design, Password and API key vault, Password breach monitoring (Pro), Import from Google Authenticator, Offline functionality

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Moat Authenticator Pro | $5.99 | per 7 days |
| Moat Authenticator Pro | $12.99 | per month |
| Moat Authenticator Pro | $14.99 | per year |
| Moat Pro — Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Sync with S3 free?

Sync with S3 is free to download, with in-app purchases available.

### Is 2FA Authenticator free?

2FA Authenticator is free to download, with in-app purchases available.

### Which has better reviews, Sync with S3 or 2FA Authenticator?

2FA Authenticator is rated higher. Sync with S3 averages 1.0 out of 5 from 1 ratings, while 2FA Authenticator averages 5.0 from 1 ratings.

### Do Sync with S3 or 2FA Authenticator have ads?

Neither Sync with S3 nor 2FA Authenticator shows ads.

### Which is updated more often, Sync with S3 or 2FA Authenticator?

Sync with S3 ships an update every 2 months, and 2FA Authenticator every 10 days. Most recently, Sync with S3 was updated on October 2, 2026 and 2FA Authenticator on September 30, 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.*