# Mobiusi vs TinyDrawer

The clearest difference is in-app purchases: Mobiusi at none against TinyDrawer's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TinyDrawer sells 2 in-app purchases, starting at $4.99 per month. Mobiusi asks for nothing beyond the download.

Mobiusi ships an update every 9 days, TinyDrawer every 2 weeks. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Mobiusi | TinyDrawer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | — | Freemium |
| Size | 65 MB | 28 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [杭州墨比数据科技有限公司](https://appshunter.io/developer/1776528607) | [Zebin Huang](https://appshunter.io/developer/1367894360) |

## What reviewers say

### Mobiusi

[App page](https://appshunter.io/ios/app/mobiusi-datasets-for-ai-agent/id6737462102)

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

**In-app purchases:** none


### TinyDrawer

[App page](https://appshunter.io/ios/app/tinydrawer-ai-study-helper/id6758496623)

Transform videos, podcasts, and articles into your private knowledge base. Quickly distill core ideas, capture inspiration with timestamped notes, and organize all your content in one place for efficient recall and learning.

**Highlights:** Smart transcription from audio/video, Timestamped thought capture, Unified content collection, Variable playback speed, iCloud sync across devices, Organized knowledge base

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Annual Subscription | $39.99 | per year |


## Frequently asked questions

### Is Mobiusi free?

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

### Is TinyDrawer free?

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

### Do Mobiusi or TinyDrawer have ads?

Neither Mobiusi nor TinyDrawer shows ads.

### Which is updated more often, Mobiusi or TinyDrawer?

Mobiusi ships an update every 9 days, and TinyDrawer every 2 weeks. Most recently, Mobiusi was updated on October 16, 2026 and TinyDrawer on October 24, 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.*