# BirdieSync vs SuperFlow

The clearest difference is in-app purchases: BirdieSync at none against SuperFlow's 3. BirdieSync also leads on iOS requirement (8.0 vs 17.0). SuperFlow's advantage is update cadence (every 5 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. SuperFlow sells 3 in-app purchases, starting at $14.99 per month. BirdieSync asks for nothing beyond the download.

BirdieSync ships an update every 2 months, SuperFlow every 5 days. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | BirdieSync | SuperFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/birdiesync/id386987593/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 55.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 4 MB | 25 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Callicia](https://appshunter.io/developer/386987596) | [POSTS, Inc.](https://appshunter.io/developer/6791039394) |

## 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


### SuperFlow

[App page](https://appshunter.io/ios/app/superflow-ai-read-it-later/id6795801409)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard | $14.99 | per month |
| Pro | $34.99 | per month |
| Max | $69.99 | per month |


## Frequently asked questions

### Is BirdieSync free?

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

### Is SuperFlow free?

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

### Do BirdieSync or SuperFlow have ads?

Neither BirdieSync nor SuperFlow shows ads.

### Which is updated more often, BirdieSync or SuperFlow?

BirdieSync ships an update every 2 months, and SuperFlow every 5 days. Most recently, BirdieSync was updated on October 17, 2026 and SuperFlow on October 15, 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.*