# Gectaro. Прораб vs Доктор Строй

The clearest difference is iOS requirement: Gectaro. Прораб at 12.0 against Доктор Строй's 16.4. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Gectaro. Прораб ships an update every 3 months, Доктор Строй every 4 months. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Gectaro. Прораб | Доктор Строй |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Size | 42 MB | 87 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GEKTARO, OOO](https://appshunter.io/developer/1629689594) | [Vladimir Lavrenov](https://appshunter.io/developer/1524818079) |

## What reviewers say

### Gectaro. Прораб

[App page](https://appshunter.io/ios/app/gectaro/id1629689592)

**In-app purchases:** none


### Доктор Строй

[App page](https://appshunter.io/ios/app/id6749073373)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gectaro. Прораб free?

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

### Is Доктор Строй free?

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

### Do Gectaro. Прораб or Доктор Строй have ads?

Neither Gectaro. Прораб nor Доктор Строй shows ads.

### Which is updated more often, Gectaro. Прораб or Доктор Строй?

Gectaro. Прораб ships an update every 3 months, and Доктор Строй every 4 months. Most recently, Gectaro. Прораб was updated on October 25, 2026 and Доктор Строй on October 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.*