# Antares BioSync Unit vs Rockabye

The clearest difference is device support: Rockabye at 3 against Antares BioSync Unit's 1. On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Antares BioSync Unit sells 3 one-off in-app purchases and Rockabye sells 5 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Antares BioSync Unit | Rockabye |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 2 MB | 52 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [天佑 伍](https://appshunter.io/developer/1846286944) | [Hamad AlQadi](https://appshunter.io/developer/1318797024) |

## What reviewers say

### Antares BioSync Unit

[App page](https://appshunter.io/ios/app/antares-biosync-unit/id6758427016)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $6.99 | one-time |
| Quarterly Membership | $17.99 | one-time |
| Annual Membership | $59.99 | one-time |


### Rockabye

[App page](https://appshunter.io/ios/app/rockabye-positive-affirmation/id6782387582)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rockabye+ Monthly | $4.99 | per month |
| Rockabye+ Quartaly | $11.99 | per 3 months |
| Rockabye+ SemiAnnual | $16.99 | per 6 months |
| Rockabye+ Yearly | $22.99 | per year |
| Rockabye+ Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Antares BioSync Unit free?

Antares BioSync Unit is free to download, with in-app purchases available.

### Is Rockabye free?

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

### Do Antares BioSync Unit or Rockabye have ads?

Neither Antares BioSync Unit nor Rockabye shows ads.

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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.*