# Async.dev vs iStructly

The clearest difference is update cadence: iStructly at daily against Async.dev's every 4 days. Async.dev's advantage is iOS requirement (15.6 vs 17.0). 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.

Async.dev ships an update every 4 days, iStructly daily. The most recent releases landed on August 1, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Async.dev | iStructly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/asyncdev/id6744751511/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Monetization | Free | — |
| Size | 91 MB | 1 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Mikkel Kim](https://appshunter.io/developer/1720510195) | [Basel AbuTaleb](https://appshunter.io/developer/1604005525) |

## What reviewers say

### Async.dev

[App page](https://appshunter.io/ios/app/asyncdev/id6744751511)

This app allows developers to interact with their projects using natural language. You can issue tasks, create project plans, and review code through voice commands, streamlining the development workflow.

**Highlights:** Voice-controlled task management, AI-assisted bug fixing, UI tweaking via natural language, Code review functionality, Project planning tools

**In-app purchases:** none


### iStructly

[App page](https://appshunter.io/ios/app/istructly/id6754259424)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Async.dev free?

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

### Is iStructly free?

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

### Do Async.dev or iStructly have ads?

Neither Async.dev nor iStructly shows ads.

### Which is updated more often, Async.dev or iStructly?

Async.dev ships an update every 4 days, and iStructly daily. Most recently, Async.dev was updated on August 1, 2026 and iStructly on September 19, 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.*