# s vs Kindest

The clearest difference is in-app purchases: s at none against Kindest's 3. Kindest's advantage is update cadence (every 2 months vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Kindest sells 3 in-app purchases, starting at $0.99 per 7 days. s asks for nothing beyond the download.

s ships an update every 9 months, Kindest every 2 months. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | s | Kindest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/kindest-relationship-tracker/id6453754317/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | — | Freemium |
| Size | 71 MB | 20 MB |
| Requires iOS | 18.2 | **18.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sedal Digital Systems SL](https://appshunter.io/developer/1626041520) | [LukyLab s.r.o.](https://appshunter.io/developer/1698729177) |

## What reviewers say

### s

[App page](https://appshunter.io/ios/app/s-flow/id1411363335)

**Features:** Vision Pro support

**In-app purchases:** none


### Kindest

[App page](https://appshunter.io/ios/app/kindest-relationship-tracker/id6453754317)

This app helps you nurture your relationships by tracking interactions and reminding you of important actions. You can set custom reminders for events, add personal memories, and even use it for self-care. It gamifies connection building with visual progress tracking.

**Highlights:** Relationship management, Customizable action reminders, Memory logging with notes and images, Visual progress tracking, Self-care action planning, Action templates for inspiration

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Monthly | $2.99 | per month |
| Annual | $19.99 | per year |


## Frequently asked questions

### Is s free?

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

### Is Kindest free?

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

### Do s or Kindest have ads?

Neither s nor Kindest shows ads.

### Which is updated more often, s or Kindest?

s ships an update every 9 months, and Kindest every 2 months. Most recently, s was updated on September 10, 2026 and Kindest on June 1, 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.*