# BirdNest vs BubSync

The clearest difference is ads: BubSync at none against BirdNest's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. BirdNest sells 2 in-app purchases, starting at $2.00 per 7 days and BubSync sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

BirdNest ships an update every 3 weeks, BubSync every 2 weeks. The most recent releases landed on October 28, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | BirdNest | BubSync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 43 MB | 53 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Keith MacInnis](https://appshunter.io/developer/1014975274) | [BubSync](https://appshunter.io/developer/6792562852) |

## What reviewers say

### BirdNest

[App page](https://appshunter.io/ios/app/birdnest-baby-tracker/id6759182700)

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BirdNest Families | $2.00 | per 7 days |
| BirdNest Families | $89.00 | per year |


### BubSync

[App page](https://appshunter.io/ios/app/bubsync-shared-baby-tracker/id6792562850)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly - Co-parent Journal | $5.99 | per month |
| Premium Yearly - AI & Shared Care | $49.99 | per year |


## Frequently asked questions

### Is BirdNest free?

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

### Is BubSync free?

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

### Do BirdNest or BubSync have ads?

BirdNest shows ads; BubSync does not.

### Which is updated more often, BirdNest or BubSync?

BirdNest ships an update every 3 weeks, and BubSync every 2 weeks. Most recently, BirdNest was updated on October 28, 2026 and BubSync on November 4, 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.*