# Kumpi App vs SipSync Calls

Kumpi App and SipSync Calls are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 6 days. Both last shipped on October 14, 2026.

## The numbers

| Metric | Kumpi App | SipSync Calls |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | Every 6 days |
| Size | 148 MB | 82 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [QRISCORP (U) Limited](https://appshunter.io/developer/1565144073) | [tanju yayak](https://appshunter.io/developer/898543604) |

## What reviewers say

### Kumpi App

[App page](https://appshunter.io/ios/app/kumpi-app/id6737347144)

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

**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 Kumpi App free?

Kumpi App 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 Kumpi App or SipSync Calls have ads?

Neither Kumpi App nor SipSync Calls shows ads.

### Which is updated more often, Kumpi App or SipSync Calls?

Kumpi App ships an update every 6 days, and SipSync Calls every 6 days. Most recently, Kumpi App was updated on October 14, 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.*