# BabySync vs Tairoku

The clearest difference is in-app purchases: Tairoku at none against BabySync's 2. BabySync's advantage is ads (none vs shown) and update cadence (every 3 days vs every 4 weeks). On price and device support there is nothing between them.

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

BabySync ships an update every 3 days, Tairoku every 4 weeks. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | BabySync | Tairoku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 4 weeks |
| Size | 46 MB | 9 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Georges Damidot](https://appshunter.io/developer/1877429190) | [Daisuke Minami](https://appshunter.io/developer/1762826742) |

## What reviewers say

### 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 |


### Tairoku

[App page](https://appshunter.io/ios/app/tairoku-weight-tracker/id6793710172)

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

**In-app purchases:** none


## Frequently asked questions

### Is BabySync free?

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

### Is Tairoku free?

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

### Do BabySync or Tairoku have ads?

Tairoku shows ads; BabySync does not.

### Which is updated more often, BabySync or Tairoku?

BabySync ships an update every 3 days, and Tairoku every 4 weeks. Most recently, BabySync was updated on October 2, 2026 and Tairoku on October 7, 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.*