# Brain AI Daily vs KinKeep

The clearest difference is update cadence: Brain AI Daily at every 2 months against KinKeep's every 5 months. Brain AI Daily also leads on iOS requirement (15.1 vs 26.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Brain AI Daily sells 2 in-app purchases, starting at $3.99 per month and KinKeep sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Brain AI Daily ships an update every 2 months, KinKeep every 5 months. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Brain AI Daily | KinKeep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Size | 38 MB | 5 MB |
| Requires iOS | **15.1** | 26.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Opencollar Technologies LLC](https://appshunter.io/developer/1817220168) | [Thach Nguyen Trong](https://appshunter.io/developer/1563150043) |

## What reviewers say

### Brain AI Daily

[App page](https://appshunter.io/ios/app/brain-ai-daily/id6748817557)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BrainMonthly | $3.99 | per month |
| Brain AI Credits | $1.99 | one-time |


### KinKeep

[App page](https://appshunter.io/ios/app/kinkeep-relationship-tracker/id6756592986)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Brain AI Daily free?

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

### Is KinKeep free?

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

### Do Brain AI Daily or KinKeep have ads?

Neither Brain AI Daily nor KinKeep shows ads.

### Which is updated more often, Brain AI Daily or KinKeep?

Brain AI Daily ships an update every 2 months, and KinKeep every 5 months. Most recently, Brain AI Daily was updated on October 14, 2026 and KinKeep on October 13, 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.*