# Знание+ vs OZMAN

The clearest difference is in-app purchases: Знание+ at none against OZMAN's 1. Знание+ also leads on iOS requirement (13.0 vs 15.1). OZMAN's advantage is update cadence (daily vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. OZMAN sells 1 in-app purchase, starting at $7.99 per month. Знание+ asks for nothing beyond the download.

Знание+ ships an update every 4 months, OZMAN daily. The most recent releases landed on October 21, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Знание+ | OZMAN |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | — | Freemium |
| Size | 132 MB | 55 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BIG MAGE EOOD](https://appshunter.io/developer/962345901) | [Zinnuri Ergunen](https://appshunter.io/developer/1883455397) |

## What reviewers say

### Знание+

[App page](https://appshunter.io/ios/app/plus/id6469451734)

**Features:** macOS Compatibility

**In-app purchases:** none


### OZMAN

[App page](https://appshunter.io/ios/app/ozman-tradie-cost-tracking/id6760247487)

This app helps Australian tradespeople accurately price jobs, track all expenses in real-time, and generate professional invoices. It simplifies the entire job lifecycle, from quoting with built-in calculators to managing crew and understanding daily labor costs, ensuring profitability.

**Highlights:** Professional PDF quote generation, Real-time expense tracking, Simple invoice creation, Crew management and cost tracking, Built-in build estimator, Weekly timesheet view, GST and margin calculators

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OZMAN PRO | $7.99 | per month |


## Frequently asked questions

### Is Знание+ free?

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

### Is OZMAN free?

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

### Do Знание+ or OZMAN have ads?

Neither Знание+ nor OZMAN shows ads.

### Which is updated more often, Знание+ or OZMAN?

Знание+ ships an update every 4 months, and OZMAN daily. Most recently, Знание+ was updated on October 21, 2026 and OZMAN on October 8, 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.*