# BirdieSync vs Sync with S3

The clearest difference is review sentiment: BirdieSync at 55% against Sync with S3's 0%. BirdieSync also leads on rating (5.0 vs 1.0) and in-app purchases (none vs 2). On price, ratings volume, update cadence and ads there is nothing between them.

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

BirdieSync holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 55% of BirdieSync's written reviews are positive against 0% of Sync with S3's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | BirdieSync | Sync with S3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/birdiesync/id386987593/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/sync-with-s3/id6499503555/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | **55.2% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Freemium |
| Size | 4 MB | 27 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Callicia](https://appshunter.io/developer/386987596) | [Pixegram, LLC](https://appshunter.io/developer/1157672404) |

## What reviewers say

### BirdieSync

[App page](https://appshunter.io/ios/app/birdiesync/id386987593)

Seamlessly sync contacts and events between your iPhone and desktop applications like Thunderbird. Enjoy automatic updates across devices with a focus on data privacy, as information is transferred directly and securely without cloud storage.

**Highlights:** Automatic synchronization, Direct device-to-device transfer, Contact photo support, Multiple address books and calendars, Recurring events and alarms, Secure connection

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 BirdieSync free?

BirdieSync 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, BirdieSync or Sync with S3?

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

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

Neither BirdieSync nor Sync with S3 shows ads.

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

BirdieSync ships an update every 2 months, and Sync with S3 every 2 months. Most recently, BirdieSync was updated on November 6, 2026 and Sync with S3 on November 3, 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.*