# Da vs WhyBrain

The clearest difference is update cadence: WhyBrain at every 5 weeks against Da's every 14 months. Da's advantage is iOS requirement (13.0 vs 17.6). On price, ads, 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.

Da ships an update every 14 months, WhyBrain every 5 weeks. The most recent releases landed on October 7, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Da | WhyBrain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 5 weeks** |
| Size | 53 MB | 22 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Swifty Srl](https://appshunter.io/developer/871214077) | [1Control srl](https://appshunter.io/developer/1044212789) |

## What reviewers say

### Da

[App page](https://appshunter.io/ios/app/da-bby/id1571676334)

**Features:** macOS Compatibility

**In-app purchases:** none


### WhyBrain

[App page](https://appshunter.io/ios/app/whybrain/id6747509303)

**In-app purchases:** none


## Frequently asked questions

### Is Da free?

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

### Is WhyBrain free?

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

### Do Da or WhyBrain have ads?

Neither Da nor WhyBrain shows ads.

### Which is updated more often, Da or WhyBrain?

Da ships an update every 14 months, and WhyBrain every 5 weeks. Most recently, Da was updated on October 7, 2026 and WhyBrain on October 21, 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.*