# A2 Fit vs BabySync

The clearest difference is in-app purchases: A2 Fit at none against BabySync's 2. BabySync's advantage is update cadence (every 3 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. BabySync sells 2 in-app purchases, starting at $3.99 per month. A2 Fit asks for nothing beyond the download.

A2 Fit ships an update every 2 months, BabySync every 3 days. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | A2 Fit | BabySync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 48 MB | 46 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Arbox LTD](https://appshunter.io/developer/1021244486) | [Georges Damidot](https://appshunter.io/developer/1877429190) |

## What reviewers say

### A2 Fit

[App page](https://appshunter.io/ios/app/a2-fit/id6749952199)

**In-app purchases:** none


### BabySync

[App page](https://appshunter.io/ios/app/babysync/id6759209369)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BabySync Pro Monthly | $3.99 | per month |
| BabySync Pro Yearly | $34.99 | per year |


## Frequently asked questions

### Is A2 Fit free?

A2 Fit is free to download, with no in-app purchases.

### Is BabySync free?

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

### Do A2 Fit or BabySync have ads?

Neither A2 Fit nor BabySync shows ads.

### Which is updated more often, A2 Fit or BabySync?

A2 Fit ships an update every 2 months, and BabySync every 3 days. Most recently, A2 Fit was updated on October 16, 2026 and BabySync on October 18, 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.*