# ТТ vs Знаток

The clearest difference is device support: ТТ at 4 against Знаток's 2. 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.

ТТ ships an update every 9 months, Знаток every 5 months. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ТТ | Знаток |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 months** |
| Size | 43 MB | 30 MB |
| Requires iOS | **12.0** | 13.4 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Tatiana Kataeva](https://appshunter.io/developer/1531887176) | [Inna Simonenko](https://appshunter.io/developer/1466490523) |

## What reviewers say

### ТТ

[App page](https://appshunter.io/ios/app/id1616015630)

**Features:** macOS Compatibility

**In-app purchases:** none


### Знаток

[App page](https://appshunter.io/ios/app/id6476766916)

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

**In-app purchases:** none


## Frequently asked questions

### Is ТТ free?

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

### Is Знаток free?

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

### Do ТТ or Знаток have ads?

Neither ТТ nor Знаток shows ads.

### Which is updated more often, ТТ or Знаток?

ТТ ships an update every 9 months, and Знаток every 5 months. Most recently, ТТ was updated on October 25, 2026 and Знаток on October 14, 2026.

---

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