# Prozorro vs Iterum

The clearest difference is update cadence: Prozorro at every 2 days against Iterum's every 5 days. Prozorro also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Prozorro sells 1 one-off in-app purchase and Iterum sells 1 in-app purchase, starting at $34.99 per year. Whichever you choose, the download price is not the number that matters.

Prozorro ships an update every 2 days, Iterum every 5 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Prozorro | Iterum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Size | 40 MB | 77 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dmitry Ostromogilski](https://appshunter.io/developer/1844471404) | [Kseniia Snitko](https://appshunter.io/developer/6789907090) |

## What reviewers say

### Prozorro

[App page](https://appshunter.io/ios/app/prozorro/id6766500986)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Повна версія | $2.99 | one-time |


### Iterum

[App page](https://appshunter.io/ios/app/iterum-language-in-context/id6789907088)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual | $34.99 | per year |


## Frequently asked questions

### Is Prozorro free?

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

### Is Iterum free?

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

### Do Prozorro or Iterum have ads?

Neither Prozorro nor Iterum shows ads.

### Which is updated more often, Prozorro or Iterum?

Prozorro ships an update every 2 days, and Iterum every 5 days. Most recently, Prozorro was updated on October 25, 2026 and Iterum on October 24, 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.*