# Zadarma vs AIST CRM

The clearest difference is update cadence: AIST CRM at every 4 days against Zadarma's every 2 months. Zadarma's advantage is iOS requirement (13.0 vs 15.1). 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.

Zadarma ships an update every 2 months, AIST CRM every 4 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Zadarma | AIST CRM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (72 ratings)](https://appshunter.io/ios/app/zadarma/id905897821/reviews)** | — |
| Number of ratings | **72** | — |
| Positive reviews | 40.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 73 MB | 38 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zadarma Project](https://appshunter.io/developer/984451132) | [Stepan Melnichuk](https://appshunter.io/developer/1862584577) |

## What reviewers say

### Zadarma

[App page](https://appshunter.io/ios/app/zadarma/id905897821)

This VoIP app allows you to make and receive calls and SMS using a virtual number and PBX. It offers features like call transfer, recording, and an AI voice agent to automate incoming calls. Seamlessly integrate with CRM and ERP systems for enhanced business communication.

**Highlights:** Virtual numbers and PBX, Call transfer, Call recordings, SMS messaging, AI Voice Agent, CRM integration

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

**In-app purchases:** none


### AIST CRM

[App page](https://appshunter.io/ios/app/aist-crm/id6770917474)

**In-app purchases:** none


## Frequently asked questions

### Is Zadarma free?

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

### Is AIST CRM free?

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

### Do Zadarma or AIST CRM have ads?

Neither Zadarma nor AIST CRM shows ads.

### Which is updated more often, Zadarma or AIST CRM?

Zadarma ships an update every 2 months, and AIST CRM every 4 days. Most recently, Zadarma was updated on November 6, 2026 and AIST CRM on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*