# Chrono vs Pocket Brain

The clearest difference is in-app purchases: Pocket Brain at none against Chrono's 4. Pocket Brain also leads on update cadence (every 8 days vs every 5 weeks). Chrono's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Chrono sells 4 in-app purchases, starting at $4.99 per month. Pocket Brain asks for nothing beyond the download.

Chrono ships an update every 5 weeks, Pocket Brain every 8 days. Both last shipped on October 27, 2026.

## The numbers

| Metric | Chrono | Pocket Brain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pocket-brain-ai-second-brain/id6738719152/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 8 days** |
| Monetization | — | Ad-supported |
| Size | 52 MB | 44 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anvar Turdiyev](https://appshunter.io/developer/1675644659) | [MIGUEL ALVAREZ LESMES](https://appshunter.io/developer/1782050151) |

## What reviewers say

### Chrono

[App page](https://appshunter.io/ios/app/chrono-notes-routine-and-goals/id6474975583)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chrono Premium Monthly | $4.99 | per month |
| Chrono Premium 3 Months | $12.99 | per 3 months |
| Chrono Premium Annual | $29.99 | per year |
| Chrono Premium Lifetime | $59.99 | one-time |


### Pocket Brain

[App page](https://appshunter.io/ios/app/pocket-brain-ai-second-brain/id6738719152)

Capture and organize your thoughts effortlessly with an AI-powered second brain. Speak or type ideas, reminders, and to-do lists, and let smart AI automatically sort them. Easily retrieve information by asking natural language questions.

**Highlights:** Capture ideas by voice or text, AI-organized knowledge base, Chat with your notes, Natural language search, Centralized storage for all thoughts, Private and secure data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chrono free?

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

### Is Pocket Brain free?

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

### Do Chrono or Pocket Brain have ads?

Pocket Brain shows ads; Chrono does not.

### Which is updated more often, Chrono or Pocket Brain?

Chrono ships an update every 5 weeks, and Pocket Brain every 8 days. Most recently, Chrono was updated on October 27, 2026 and Pocket Brain on October 27, 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.*