# D vs InstallAssistant

The clearest difference is update cadence: InstallAssistant at monthly against D's every 4 months. D's advantage is iOS requirement (12.0 vs 15.6). 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.

D ships an update every 4 months, InstallAssistant monthly. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | D | InstallAssistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 26 MB | 9 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Tian Poh Chong](https://appshunter.io/developer/1681762435) | [YuanFang software](https://appshunter.io/developer/473875860) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-link-wi-fi-air/id6444953047)

**Features:** macOS Compatibility

**In-app purchases:** none


### InstallAssistant

[App page](https://appshunter.io/ios/app/installassistant/id6743378316)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is D free?

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

### Is InstallAssistant free?

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

### Do D or InstallAssistant have ads?

Neither D nor InstallAssistant shows ads.

### Which is updated more often, D or InstallAssistant?

D ships an update every 4 months, and InstallAssistant monthly. Most recently, D was updated on October 3, 2026 and InstallAssistant on October 4, 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.*