# NeuroCal vs Second Brain

The clearest difference is device support: Second Brain at 3 against NeuroCal's 1. Second Brain also leads on iOS requirement (15.0 vs 18.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. NeuroCal sells 3 one-off in-app purchases and Second Brain sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

NeuroCal ships an update every 6 weeks, Second Brain every 3 months. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | NeuroCal | Second Brain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/neurocal-weekly-planner/id6754966647/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 25 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Romero](https://appshunter.io/developer/828236814) | [Selahattin Bozat](https://appshunter.io/developer/1895293163) |

## What reviewers say

### NeuroCal

[App page](https://appshunter.io/ios/app/neurocal-weekly-planner/id6754966647)

This planner is designed for individuals who find traditional organizational tools overwhelming. It offers a calm space to capture thoughts, ideas, and tasks naturally, adapting to your thinking style without pressure or guilt. Features include voice and photo input, automatic organization, and flexible scheduling.

**Highlights:** Capture thoughts via text, voice, or photo, Automatic organization of tasks and ideas, Flexible scheduling and reminders, Grocery list creation and management, Remember Pile for unsorted items, Week Focus Mode for reduced overwhelm, Gentle handling of missed tasks

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Large Tip | $4.99 | one-time |


### Second Brain

[App page](https://appshunter.io/ios/app/second-brain-notes-and-knowledge/id6775839727)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Second Brain Premium | $9.99 | one-time |


## Frequently asked questions

### Is NeuroCal free?

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

### Is Second Brain free?

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

### Do NeuroCal or Second Brain have ads?

Neither NeuroCal nor Second Brain shows ads.

### Which is updated more often, NeuroCal or Second Brain?

NeuroCal ships an update every 6 weeks, and Second Brain every 3 months. Most recently, NeuroCal was updated on October 30, 2026 and Second Brain on October 28, 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.*