# s vs Check Up

The clearest difference is in-app purchases: s at none against Check Up's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Check Up sells 2 in-app purchases, starting at $1.99 per month. s asks for nothing beyond the download.

s ships an update every 7 months, Check Up every 6 months. The most recent releases landed on September 29, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | s | Check Up |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (12 ratings)](https://appshunter.io/ios/app/check-up-keep-friends-close/id6503481803/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 months** |
| Monetization | — | Freemium |
| Size | 71 MB | 6 MB |
| Requires iOS | 18.2 | **17.2** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Sedal Digital Systems SL](https://appshunter.io/developer/1626041520) | [Ginkgo Labs LLC](https://appshunter.io/developer/1723258375) |

## What reviewers say

### s

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

**Features:** Vision Pro support

**In-app purchases:** none


### Check Up

[App page](https://appshunter.io/ios/app/check-up-keep-friends-close/id6503481803)

Easily manage your social connections by logging interactions, taking notes, and setting reminders to check in regularly. Strengthen relationships by ensuring you stay in touch with friends and family.

**Highlights:** Add and manage contacts, Log interactions and notes, Set regular check-in reminders, Track time spent with contacts, Unlimited contacts with Premium, Privacy-focused, data stays local

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Check Up Premium - Monthly | $1.99 | per month |
| Check Up Premium - Yearly | $9.99 | per year |


## Frequently asked questions

### Is s free?

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

### Is Check Up free?

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

### Do s or Check Up have ads?

Neither s nor Check Up shows ads.

### Which is updated more often, s or Check Up?

s ships an update every 7 months, and Check Up every 6 months. Most recently, s was updated on September 29, 2026 and Check Up on October 11, 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.*