# TJDZ vs iRoller

The clearest difference is device support: TJDZ at 3 against iRoller's —. On price, in-app purchases and iOS requirement there is nothing between them.

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

## The numbers

| Metric | TJDZ | iRoller |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 2 months | — |
| Size | 33 MB | 20 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Tianjian Automotive Products Co., Ltd](https://appshunter.io/developer/1716284778) | [琦柱 汤](https://appshunter.io/developer/1759835364) |

## What reviewers say

### TJDZ

[App page](https://appshunter.io/ios/app/tjdz/id6471932553)

**In-app purchases:** none


### iRoller

[App page](https://appshunter.io/ios/app/iroller-plus/id6596812655)

**In-app purchases:** none


## Frequently asked questions

### Is TJDZ free?

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

### Is iRoller free?

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

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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.*