# Control Space vs Private AI Note Taker

The clearest difference is in-app purchases: Control Space at none against Private AI Note Taker's 6. Control Space also leads on iOS requirement (15.1 vs 17.0). Private AI Note Taker's advantage is update cadence (every 6 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Private AI Note Taker sells 6 in-app purchases, starting at $5.99 per 7 days. Control Space asks for nothing beyond the download.

Control Space ships an update every 2 months, Private AI Note Taker every 6 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Control Space | Private AI Note Taker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (5 ratings)](https://appshunter.io/ios/app/private-ai-note-taker/id6754449774/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 43 MB | 54 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [R6 Group Pty Ltd](https://appshunter.io/developer/494462067) | [RLabs d.o.o.](https://appshunter.io/developer/1848316107) |

## What reviewers say

### Control Space

[App page](https://appshunter.io/ios/app/control-space/id6503229133)

**In-app purchases:** none


### Private AI Note Taker

[App page](https://appshunter.io/ios/app/private-ai-note-taker/id6754449774)

This AI-powered app transforms long podcast episodes into concise summaries with natural-sounding narration and transcripts. It helps users save time and quickly grasp key insights from any podcast, making learning and discovery efficient.

**Highlights:** AI-powered podcast summaries, Natural-sounding AI narration, Detailed transcript generation, Podcast search and discovery, Organized queue manager, Full archive of summaries

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $5.99 | per 7 days |
| Monthly Plan + Free Trial | $9.99 | per month |
| Monthly Plan | $10.00 | per month |
| Yearly | $29.99 | per year |
| Yearly Plan + Free Trial | $99.99 | per year |
| Private Notes Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Control Space free?

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

### Is Private AI Note Taker free?

Private AI Note Taker is free to download, with in-app purchases available.

### Do Control Space or Private AI Note Taker have ads?

Neither Control Space nor Private AI Note Taker shows ads.

### Which is updated more often, Control Space or Private AI Note Taker?

Control Space ships an update every 2 months, and Private AI Note Taker every 6 days. Most recently, Control Space was updated on October 24, 2026 and Private AI Note Taker on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*