# LynkFast vs AIChatDoo

The clearest difference is in-app purchases: LynkFast at none against AIChatDoo's 3. AIChatDoo's advantage is update cadence (every 5 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AIChatDoo sells 3 in-app purchases, starting at $3.99 per 7 days. LynkFast asks for nothing beyond the download.

LynkFast ships an update every 2 months, AIChatDoo every 5 days. The most recent releases landed on October 14, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | LynkFast | AIChatDoo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lynkfast/id6450007954/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 29 MB | 9 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Murat Yildirim](https://appshunter.io/developer/1691517767) | [NovaMind AI](https://appshunter.io/developer/1837941195) |

## What reviewers say

### LynkFast

[App page](https://appshunter.io/ios/app/lynkfast/id6450007954)

Manage IT network projects efficiently with this app. It centralizes project details, streamlines workflows, and enhances team collaboration through real-time updates and in-app messaging. Field technicians can track hours and upload deliverables directly from their mobile devices.

**Highlights:** Centralized project management, Resource allocation and estimation, Field technician clock-in/out, Deliverable uploads (photos), In-app messaging and notifications, Real-time project updates, Document management

**Features:** Vision Pro support

**In-app purchases:** none


### AIChatDoo

[App page](https://appshunter.io/ios/app/aichatdoo-write-think-create/id6777403201)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| week membership | $3.99 | per 7 days |
| year membership | $14.99 | per year |
| lifetime membership | $19.99 | one-time |


## Frequently asked questions

### Is LynkFast free?

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

### Is AIChatDoo free?

AIChatDoo is free to download, with in-app purchases available.

### Do LynkFast or AIChatDoo have ads?

Neither LynkFast nor AIChatDoo shows ads.

### Which is updated more often, LynkFast or AIChatDoo?

LynkFast ships an update every 2 months, and AIChatDoo every 5 days. Most recently, LynkFast was updated on October 14, 2026 and AIChatDoo on September 25, 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.*