# CSOMO vs KLASTA

The clearest difference is update cadence: KLASTA at every 2 weeks against CSOMO's every 4 months. CSOMO's advantage is iOS requirement (13.4 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CSOMO ships an update every 4 months, KLASTA every 2 weeks. The most recent releases landed on September 8, 2026 and August 30, 2026 respectively.

## The numbers

| Metric | CSOMO | KLASTA |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 16 MB | 127 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [NORBIT, OOO](https://appshunter.io/developer/1748069052) | [Mobile TeleSystems Public Joint Stock Company](https://appshunter.io/developer/406999351) |

## What reviewers say

### CSOMO

[App page](https://appshunter.io/ios/app/csomo/id6754237995)

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

**In-app purchases:** none


### KLASTA

[App page](https://appshunter.io/ios/app/klasta/id6758207829)

This app acts as a digital shield for privacy and security. It offers control over incoming calls, intelligent SMS filtering using AI, website ad and tracker blocking, and monitors for data leaks. It also provides a secure connection for accessing content.

**Highlights:** Incoming call control, AI-powered SMS filtering, Website ad and tracker blocking, Data leak monitoring, Secure connection, Contact group management

**In-app purchases:** none


## Frequently asked questions

### Is CSOMO free?

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

### Is KLASTA free?

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

### Do CSOMO or KLASTA have ads?

Neither CSOMO nor KLASTA shows ads.

### Which is updated more often, CSOMO or KLASTA?

CSOMO ships an update every 4 months, and KLASTA every 2 weeks. Most recently, CSOMO was updated on September 8, 2026 and KLASTA on August 30, 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.*