# Zero vs Umai CRM

The clearest difference is in-app purchases: Zero at none against Umai CRM's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Umai CRM sells 4 in-app purchases, starting at $34.99 per month. Zero asks for nothing beyond the download.

Zero ships an update weekly, Umai CRM every 5 days. The most recent releases landed on September 17, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Zero | Umai CRM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Size | 71 MB | 39 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | ["Zero Education" LLP](https://appshunter.io/developer/1752625049) | [SUPERMOMS LTD., CHK](https://appshunter.io/developer/1501656730) |

## What reviewers say

### Zero

[App page](https://appshunter.io/ios/app/zero/id6504515977)

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

**In-app purchases:** none


### Umai CRM

[App page](https://appshunter.io/ios/app/umai-crm-admin/id6759258467)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Базовый тариф – 1 месяц | $34.99 | per month |
| Расширенный тариф – 1 месяц | $49.99 | per month |
| Базовый тариф – 1 год | $349.99 | per year |
| Расширенный тариф – 1 год | $499.99 | per year |


## Frequently asked questions

### Is Zero free?

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

### Is Umai CRM free?

Umai CRM is free to download, with in-app purchases available.

### Do Zero or Umai CRM have ads?

Neither Zero nor Umai CRM shows ads.

### Which is updated more often, Zero or Umai CRM?

Zero ships an update weekly, and Umai CRM every 5 days. Most recently, Zero was updated on September 17, 2026 and Umai CRM on September 25, 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.*