# Dropbox vs Sync with S3

The clearest difference is review sentiment: Dropbox at 48% against Sync with S3's 0%. Dropbox also leads on rating (4.8 vs 1.0) and ratings volume (900K vs 1). Sync with S3's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Dropbox sells 9 in-app purchases, starting at $6.99 per month and Sync with S3 sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Dropbox holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Dropbox has 900K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 48% of Dropbox's written reviews are positive against 0% of Sync with S3's.

Dropbox ships an update every 2 weeks, Sync with S3 every 2 months. The most recent releases landed on September 25, 2026 and June 8, 2026 respectively.

## The numbers

| Metric | Dropbox | Sync with S3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (900K ratings)](https://appshunter.io/ios/app/dropbox-cloud-storage-backup/id327630330/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/sync-with-s3/id6499503555/reviews) |
| Number of ratings | **900K** | 1 |
| Positive reviews | **47.6% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Freemium |
| Best chart rank | **#5** | — |
| Size | 228 MB | 27 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Dropbox, Inc.](https://appshunter.io/developer/327630333) | [Pixegram, LLC](https://appshunter.io/developer/1157672404) |

## What reviewers say

### Dropbox

[App page](https://appshunter.io/ios/app/dropbox-cloud-storage-backup/id327630330)

**Currently charting:** #5 Top Grossing · Productivity, #28 Top Free · Productivity, #39 Top Grossing (US App Store)

Securely store, sync, and share your files and photos across all your devices. Easily upload, access, and send documents, videos, and more from anywhere, even offline. Offers robust backup and recovery features for peace of mind.

**Highlights:** Automatic photo and video upload, Offline file access, Large file sharing via links, Document scanning to PDF, Version history and file recovery, Cross-device synchronization

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dropbox Simple - Monthly | $6.99 | per month |
| Dropbox Plus - Monthly | $11.99 | per month |
| Dropbox Plus - Monthly | $11.99 | per month |
| Dropbox Plus - Monthly | $11.99 | per month |
| Dropbox Professional - Monthly | $19.99 | per month |
| Dropbox Professional - Monthly | $19.99 | per month |
| Dropbox Family - Monthly | $19.99 | per month |
| Dropbox Plus - Annual | $119.99 | per year |
| Dropbox Plus - Annual | $119.99 | per year |

**What reviewers like**

- 🚀 Reliable cloud storage
- 🔒 Secure file sharing
- 📁 Convenient file management
- 💻 Cross-device accessibility
- 📸 Automatic photo backups

**What reviewers complain about**

- 🐛 Buggy app updates
- 🔍 Confusing file navigation
- ⚠️ Unreliable upload/sync
- 💰 Expensive paid plans
- 🔋 High battery drain

**Reported bugs**

- Freezing on login screen
- Duplicate file uploads
- Incorrect file timestamps
- Incompatibility with iOS updates
- Disappearing recent files

**Requested features**

- Select all option for uploads
- Background upload support
- Integrated media player
- Increased free storage
- Flexible paid plan options


### 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 Dropbox free?

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

### Is Sync with S3 free?

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

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

Dropbox is rated higher. Dropbox averages 4.8 out of 5 from 900K ratings, while Sync with S3 averages 1.0 from 1 ratings.

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

Neither Dropbox nor Sync with S3 shows ads.

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

Dropbox ships an update every 2 weeks, and Sync with S3 every 2 months. Most recently, Dropbox was updated on September 25, 2026 and Sync with S3 on June 8, 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.*