# TDTU vs SHZ

The clearest difference is update cadence: TDTU at weekly against SHZ's every 5 months. 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.

TDTU ships an update weekly, SHZ every 5 months. The most recent releases landed on October 27, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | TDTU | SHZ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 months |
| Size | 37 MB | 8 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ton Duc Thang University](https://appshunter.io/developer/1851898145) | [Cong Nguyen](https://appshunter.io/developer/1865792439) |

## What reviewers say

### TDTU

[App page](https://appshunter.io/ios/app/tdtu/id6475383139)

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

**In-app purchases:** none


### SHZ

[App page](https://appshunter.io/ios/app/shz/id6757284016)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TDTU free?

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

### Is SHZ free?

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

### Do TDTU or SHZ have ads?

Neither TDTU nor SHZ shows ads.

### Which is updated more often, TDTU or SHZ?

TDTU ships an update weekly, and SHZ every 5 months. Most recently, TDTU was updated on October 27, 2026 and SHZ on October 13, 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.*