# Klin vs CallSonny

The clearest difference is iOS requirement: CallSonny at 12.0 against Klin's 16.0. 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.

Klin ships an update every 6 months, CallSonny every 5 months. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Klin | CallSonny |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/callsonny/id1530450317/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 21 MB | 44 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Klin](https://appshunter.io/developer/1457588047) | [Smart Fuel, LLC](https://appshunter.io/developer/1584867298) |

## What reviewers say

### Klin

[App page](https://appshunter.io/ios/app/klin/id1457588048)

**Features:** macOS Compatibility

**In-app purchases:** none


### CallSonny

[App page](https://appshunter.io/ios/app/callsonny/id1530450317)

This service brings gasoline dispatch and other car services directly to your home or office. Save time and enhance safety by avoiding traditional gas stations. Enjoy convenient, high-quality service with trained professionals and specialized equipment.

**Highlights:** Gasoline dispatch at home or office, Weekly fuel delivery, Competitive fuel prices, Up to 4 vehicles per membership, Real-time service tracking, Digital transaction receipts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Klin free?

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

### Is CallSonny free?

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

### Do Klin or CallSonny have ads?

Neither Klin nor CallSonny shows ads.

### Which is updated more often, Klin or CallSonny?

Klin ships an update every 6 months, and CallSonny every 5 months. Most recently, Klin was updated on October 2, 2026 and CallSonny on October 11, 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.*