# IDC Matrix vs Пятнашка.Инструктор

The clearest difference is update cadence: IDC Matrix at every 3 days against Пятнашка.Инструктор's monthly. 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.

IDC Matrix ships an update every 3 days, Пятнашка.Инструктор monthly. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | IDC Matrix | Пятнашка.Инструктор |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Size | 179 MB | 36 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Interdnestrcom](https://appshunter.io/developer/871088320) | [Alexandr Tarasov](https://appshunter.io/developer/1440134688) |

## What reviewers say

### IDC Matrix

[App page](https://appshunter.io/ios/app/idc-matrix/id6748137255)

**In-app purchases:** none


### Пятнашка.Инструктор

[App page](https://appshunter.io/ios/app/id6756563914)

**In-app purchases:** none


## Frequently asked questions

### Is IDC Matrix free?

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

### Is Пятнашка.Инструктор free?

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

### Do IDC Matrix or Пятнашка.Инструктор have ads?

Neither IDC Matrix nor Пятнашка.Инструктор shows ads.

### Which is updated more often, IDC Matrix or Пятнашка.Инструктор?

IDC Matrix ships an update every 3 days, and Пятнашка.Инструктор monthly. Most recently, IDC Matrix was updated on October 24, 2026 and Пятнашка.Инструктор on October 20, 2026.

---

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