# pairup.social vs SipSync Calls

The clearest difference is iOS requirement: pairup.social at 13.4 against SipSync Calls's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

pairup.social ships an update every 4 days, SipSync Calls every 6 days. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | pairup.social | SipSync Calls |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 6 days |
| Size | 33 MB | 82 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Andrew Catton](https://appshunter.io/developer/1466700730) | [tanju yayak](https://appshunter.io/developer/898543604) |

## What reviewers say

### pairup.social

[App page](https://appshunter.io/ios/app/pairupsocial/id1660421433)

**Features:** macOS Compatibility

**In-app purchases:** none


### SipSync Calls

[App page](https://appshunter.io/ios/app/sipsync-calls/id6742335994)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is pairup.social free?

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

### Is SipSync Calls free?

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

### Do pairup.social or SipSync Calls have ads?

Neither pairup.social nor SipSync Calls shows ads.

### Which is updated more often, pairup.social or SipSync Calls?

pairup.social ships an update every 4 days, and SipSync Calls every 6 days. Most recently, pairup.social was updated on October 5, 2026 and SipSync Calls on October 14, 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.*