# Rdtech vs Ahjjz

The clearest difference is update cadence: Ahjjz at every 3 days against Rdtech's every 6 weeks. Rdtech's advantage is iOS requirement (13.0 vs 18.0). 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.

Rdtech ships an update every 6 weeks, Ahjjz every 3 days. The most recent releases landed on September 28, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Rdtech | Ahjjz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Size | 40 MB | 73 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Miou Pet Technology Co.,Ltd](https://appshunter.io/developer/1601781488) | [Nagi Mubarez](https://appshunter.io/developer/6790256404) |

## What reviewers say

### Rdtech

[App page](https://appshunter.io/ios/app/rdtech/id1627843516)

**In-app purchases:** none


### Ahjjz

[App page](https://appshunter.io/ios/app/ahjjz/id6799601202)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rdtech free?

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

### Is Ahjjz free?

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

### Do Rdtech or Ahjjz have ads?

Neither Rdtech nor Ahjjz shows ads.

### Which is updated more often, Rdtech or Ahjjz?

Rdtech ships an update every 6 weeks, and Ahjjz every 3 days. Most recently, Rdtech was updated on September 28, 2026 and Ahjjz on October 15, 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.*