# sipcall vs KleverKey

sipcall and KleverKey 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.

sipcall ships an update every 6 weeks, KleverKey every 3 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | sipcall | KleverKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (9 ratings)](https://appshunter.io/ios/app/sipcall/id1501305137/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 116 MB | 18 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Backbone Solutions AG](https://appshunter.io/developer/1500915688) | [Swissprime Technologies AG](https://appshunter.io/developer/473620417) |

## What reviewers say

### sipcall

[App page](https://appshunter.io/ios/app/sipcall/id1501305137)

This SIP client allows mobile users to utilize their landline number on the go. It offers features like push notifications for battery efficiency, call recording, and HD voice codecs. The app is free for existing customers and integrates with Microsoft 365 contacts.

**Highlights:** Push notifications for battery life, Background app execution, HD voice codecs, Call recording, Microsoft 365 contact integration, Video telephony

**In-app purchases:** none


### KleverKey

[App page](https://appshunter.io/ios/app/kleverkey/id1527340567)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is sipcall free?

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

### Is KleverKey free?

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

### Do sipcall or KleverKey have ads?

Neither sipcall nor KleverKey shows ads.

### Which is updated more often, sipcall or KleverKey?

sipcall ships an update every 6 weeks, and KleverKey every 3 months. Most recently, sipcall was updated on October 27, 2026 and KleverKey on October 27, 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.*