# Private Notes Lock vs Chat IQ

The clearest difference is rating: Chat IQ at 5.0 against Private Notes Lock's 3.0. Chat IQ also leads on review sentiment (75% vs 33%) and ads (none vs shown). Private Notes Lock's advantage is iOS requirement (14.0 vs 16.0). On price, ratings volume, in-app purchases and device support there is nothing between them.

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

Chat IQ holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews point the same way: 33% of Private Notes Lock's written reviews are positive against 75% of Chat IQ's.

Private Notes Lock ships an update every 4 months, Chat IQ every 2 months. The most recent releases landed on June 7, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Private Notes Lock | Chat IQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/private-notes-lock-notepad/id1341597096/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/chat-iq-voice-ai-chat/id6497067239/reviews)** |
| Number of ratings | 4 | **7** |
| Positive reviews | 33.3% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Ad-supported | **Free** |
| Size | 7 MB | 3 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bhargav Narola](https://appshunter.io/developer/1045586550) | [Eric Yi Lin](https://appshunter.io/developer/1735135682) |

## What reviewers say

### Private Notes Lock

[App page](https://appshunter.io/ios/app/private-notes-lock-notepad/id1341597096)

Securely store your written and voice notes with a passcode or Touch ID. This app allows you to create, save, and play notes, with options to add multiple photos. Manual data backup is recommended.

**Highlights:** Passcode protection, Touch ID access, Create written notes, Save audio notes, Add multiple photos to notes, Play audio notes

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

**In-app purchases:** none


### Chat IQ

[App page](https://appshunter.io/ios/app/chat-iq-voice-ai-chat/id6497067239)

This application allows users to ask questions using their voice and receive instant answers. It features a distraction-free interface and prioritizes user privacy. Speak naturally without interruptions for a seamless experience.

**Highlights:** Voice input for questions, Natural conversation flow, Distraction-free user interface, Privacy protection, Instant AI-powered answers

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Private Notes Lock free?

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

### Is Chat IQ free?

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

### Which has better reviews, Private Notes Lock or Chat IQ?

Chat IQ is rated higher. Private Notes Lock averages 3.0 out of 5 from 4 ratings, while Chat IQ averages 5.0 from 7 ratings.

### Do Private Notes Lock or Chat IQ have ads?

Private Notes Lock shows ads; Chat IQ does not.

### Which is updated more often, Private Notes Lock or Chat IQ?

Private Notes Lock ships an update every 4 months, and Chat IQ every 2 months. Most recently, Private Notes Lock was updated on June 7, 2026 and Chat IQ on September 9, 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.*