# KinKeep vs Gravity

The clearest difference is update cadence: Gravity at every 3 weeks against KinKeep's every 5 months. Gravity also leads on iOS requirement (16.0 vs 26.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. KinKeep sells 2 in-app purchases, starting at $2.99 per month and Gravity sells 1 in-app purchase, starting at $24.99 per year. Whichever you choose, the download price is not the number that matters.

KinKeep ships an update every 5 months, Gravity every 3 weeks. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | KinKeep | Gravity |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 5 MB | 6 MB |
| Requires iOS | 26.1 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thach Nguyen Trong](https://appshunter.io/developer/1563150043) | [Gabriel Rubens](https://appshunter.io/developer/1896129946) |

## What reviewers say

### 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 |


### Gravity

[App page](https://appshunter.io/ios/app/gravity-stay-in-touch/id6765928463)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gravity Pro | $24.99 | per year |


## Frequently asked questions

### Is KinKeep free?

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

### Is Gravity free?

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

### Do KinKeep or Gravity have ads?

Neither KinKeep nor Gravity shows ads.

### Which is updated more often, KinKeep or Gravity?

KinKeep ships an update every 5 months, and Gravity every 3 weeks. Most recently, KinKeep was updated on October 13, 2026 and Gravity on October 14, 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.*