# Daycell vs Second Brain

The clearest difference is in-app purchases: Second Brain at none against Daycell's 1. Second Brain also leads on update cadence (every 5 days vs monthly). Daycell's advantage is iOS requirement (14.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Daycell sells 1 one-off in-app purchase. Second Brain asks for nothing beyond the download.

Daycell ships an update monthly, Second Brain every 5 days. The most recent releases landed on October 11, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Daycell | Second Brain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Size | 36 MB | 17 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ramazan Capaci](https://appshunter.io/developer/6781907873) | [Aleksandr Pustotin](https://appshunter.io/developer/1854093247) |

## What reviewers say

### Daycell

[App page](https://appshunter.io/ios/app/daycell/id6781907871)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Daycell Premium | $1.99 | one-time |


### Second Brain

[App page](https://appshunter.io/ios/app/second-brain-voice-to-action/id6787875111)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Daycell free?

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

### Is Second Brain free?

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

### Do Daycell or Second Brain have ads?

Neither Daycell nor Second Brain shows ads.

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

Daycell ships an update monthly, and Second Brain every 5 days. Most recently, Daycell was updated on October 11, 2026 and Second Brain on October 17, 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.*