# SipSync app vs BulkUp

The clearest difference is in-app purchases: SipSync app at none against BulkUp's 3. SipSync app also leads on iOS requirement (15.1 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. BulkUp sells 3 in-app purchases, starting at $3.99 per month. SipSync app asks for nothing beyond the download.

## The numbers

| Metric | SipSync app | BulkUp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Daily |
| Size | 46 MB | 32 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [WEBDEV BV](https://appshunter.io/developer/1879571391) | [Vyshnav Thaniyil Changattu](https://appshunter.io/developer/1881003247) |

## What reviewers say

### SipSync app

[App page](https://appshunter.io/ios/app/sipsync-app/id6759573022)

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

**In-app purchases:** none


### BulkUp

[App page](https://appshunter.io/ios/app/bulkup-weight-gainer/id6774138197)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly Premium | $29.99 | per year |
| Lifetime premium | $59.99 | one-time |


## Frequently asked questions

### Is SipSync app free?

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

### Is BulkUp free?

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

### Do SipSync app or BulkUp have ads?

Neither SipSync app nor BulkUp 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.*