# AI Note Taker vs Lock

The clearest difference is in-app purchases: Lock at none against AI Note Taker's 8. Lock also leads on ads (none vs shown). AI Note Taker's advantage is iOS requirement (15.6 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. AI Note Taker sells 8 in-app purchases, starting at $6.99 per 7 days. Lock asks for nothing beyond the download.

AI Note Taker ships an update every 3 weeks, Lock every 5 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AI Note Taker | Lock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (595 ratings)](https://appshunter.io/ios/app/ai-note-taker-notebookai/id6670445252/reviews)** | — |
| Number of ratings | **595** | — |
| Positive reviews | 33.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Subscription | — |
| Size | 117 MB | 11 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [APPNATION YAZILIM HIZMETLERI TICARET ANONIM SIRKETI](https://appshunter.io/developer/1560806519) | [Jiseok Lee](https://appshunter.io/developer/1818033291) |

## What reviewers say

### AI Note Taker

[App page](https://appshunter.io/ios/app/ai-note-taker-notebookai/id6670445252)

This AI-powered tool captures, organizes, and transforms audio and media into structured notes, flashcards, and quizzes. It automates summarization of meetings and lectures, offering interactive learning tools and multilingual support.

**Highlights:** AI-powered audio summarization, Organize notes by topic/date, Generate quizzes and flashcards, Media file integration, Multilingual note-taking, Customizable notes with reminders

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $6.99 | per 7 days |
| Pro Access | $6.99 | per 7 days |
| Notebook AI - Weekly Subscription | $8.99 | per 7 days |
| Notebook AI - Yearly Subscription | $39.99 | per year |
| Pro Access | $39.99 | per year |
| Yearly Pro Access | $69.99 | per year |
| Yearly Pro Access | $89.99 | per year |
| Pro Access | $89.99 | per year |

**What reviewers like**

- 🚀 Useful
- 👍 Amazing application
- 👍 Great concept
- 👍 Exceeded expectations

**What reviewers complain about**

- 🐛 Not working
- 🐛 Limits recording time/size
- 🐛 Formatting issues with exports
- 🐛 Unreliable for longer recordings
- 🐛 Requires payment for full functionality

**Reported bugs**

- Recordings get deleted when exceeding size limit
- App stops working when screen is locked
- Inconsistent behavior with paid 'Pro' version

**Requested features**

- Ability to organize notes into folders
- Increase recording time/size limit
- Improve compatibility with longer recordings
- Offer a true unlimited recording option


### Lock

[App page](https://appshunter.io/ios/app/lock-focus/id6794229244)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI Note Taker free?

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

### Is Lock free?

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

### Do AI Note Taker or Lock have ads?

AI Note Taker shows ads; Lock does not.

### Which is updated more often, AI Note Taker or Lock?

AI Note Taker ships an update every 3 weeks, and Lock every 5 weeks. Most recently, AI Note Taker was updated on November 4, 2026 and Lock on October 31, 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.*