# Collabis vs 4udo

Collabis and 4udo are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Collabis ships an update every 10 days, 4udo every 6 days. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Collabis | 4udo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/collabis-ai/id6754638219/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 6 days** |
| Monetization | Free | — |
| Size | 61 MB | 7 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Megaplan](https://appshunter.io/developer/552317300) | [Sergey Sukhov](https://appshunter.io/developer/1839678896) |

## What reviewers say

### Collabis

[App page](https://appshunter.io/ios/app/collabis-ai/id6754638219)

This app is a free notebook, planner, and knowledge base with AI capabilities. It consolidates notes, tasks, documents, tables, and a calendar into a single workspace, serving as a Russian-language alternative to Notion and Obsidian. Organize your life, projects, and learning materials efficiently.

**Highlights:** AI-powered text generation, Integrated notes and notebook, Task and to-do lists, Calendar and planner, Knowledge base creation, Project sharing with privacy controls

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

**In-app purchases:** none


### 4udo

[App page](https://appshunter.io/ios/app/4udo/id6758681257)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Collabis free?

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

### Is 4udo free?

4udo is free to download, with no in-app purchases.

### Do Collabis or 4udo have ads?

Neither Collabis nor 4udo shows ads.

### Which is updated more often, Collabis or 4udo?

Collabis ships an update every 10 days, and 4udo every 6 days. Most recently, Collabis was updated on October 24, 2026 and 4udo on October 7, 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.*