# Resilio Sync vs Sync with S3

The clearest difference is review sentiment: Resilio Sync at 77% against Sync with S3's 0%. Resilio Sync also leads on rating (4.5 vs 1.0) and in-app purchases (none vs 2). Sync with S3's advantage is ads (none vs shown) and update cadence (every 2 months vs every 3 months). On price, monetization model and device support there is nothing between them.

Both are free to download. Sync with S3 sells 2 in-app purchases, starting at $2.99 per month. Resilio Sync asks for nothing beyond the download.

Resilio Sync holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Resilio Sync has 844 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 77% of Resilio Sync's written reviews are positive against 0% of Sync with S3's.

Resilio Sync ships an update every 3 months, Sync with S3 every 2 months. The most recent releases landed on October 12, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Resilio Sync | Sync with S3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (844 ratings)](https://appshunter.io/ios/app/resilio-sync/id1126282325/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/sync-with-s3/id6499503555/reviews) |
| Number of ratings | **844** | 1 |
| Positive reviews | **77.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 31 MB | 27 MB |
| Requires iOS | **11** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Resilio Inc.](https://appshunter.io/developer/1126282324) | [Pixegram, LLC](https://appshunter.io/developer/1157672404) |

## What reviewers say

### Resilio Sync

[App page](https://appshunter.io/ios/app/resilio-sync/id1126282325)

Securely transfer files and back up photos between your devices without using third-party servers. Enjoy unlimited storage and speed, with direct peer-to-peer transfers for privacy and efficiency. Supports all file types across various platforms.

**Highlights:** Private cloud creation, Secure direct file transfers, Unlimited storage and speed, Automatic camera backup, Cross-platform device support, Selective file syncing

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and reliable syncing
- 🔒 Secure private cloud solution
- 👍 Seamless cross-platform integration
- 💡 Selective sync for efficient storage management
- 👍 Easy to set up and use

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 🔋 Lack of background sync on iOS
- 👎 Limited file management features within the app
- 👎 Outdated iOS integration, not optimized for newer versions

**Reported bugs**

- Syncing issues after iOS updates
- Inconsistent behavior when removing folders
- Camera roll backup not working as expected

**Requested features**

- Improved iOS integration with Files app
- Background sync for camera roll backup
- Built-in media player and gallery view
- Ability to select and move multiple files at once


### 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 |


## Frequently asked questions

### Is Resilio Sync free?

Resilio Sync is free to download, with no in-app purchases.

### Is Sync with S3 free?

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

### Which has better reviews, Resilio Sync or Sync with S3?

Resilio Sync is rated higher. Resilio Sync averages 4.5 out of 5 from 844 ratings, while Sync with S3 averages 1.0 from 1 ratings.

### Do Resilio Sync or Sync with S3 have ads?

Resilio Sync shows ads; Sync with S3 does not.

### Which is updated more often, Resilio Sync or Sync with S3?

Resilio Sync ships an update every 3 months, and Sync with S3 every 2 months. Most recently, Resilio Sync was updated on October 12, 2026 and Sync with S3 on October 2, 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.*