# CatchUp vs Kachu

The clearest difference is in-app purchases: Kachu at none against CatchUp's 3. Kachu also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (15.5 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. CatchUp sells 3 one-off in-app purchases. Kachu asks for nothing beyond the download.

CatchUp ships an update every 2 months, Kachu every 2 weeks. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | CatchUp | Kachu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (46 ratings)](https://appshunter.io/ios/app/catchup-keep-in-touch/id1358023550/reviews)** | — |
| Number of ratings | **46** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 75 MB |
| Requires iOS | 26.0 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ryan Token](https://appshunter.io/developer/1358023549) | [Pretheesh Thomas](https://appshunter.io/developer/1460165218) |

## What reviewers say

### CatchUp

[App page](https://appshunter.io/ios/app/catchup-keep-in-touch/id1358023550)

This app helps you remember to stay in touch with your contacts. Set custom reminders for friends, family, or colleagues and receive notifications when it's time to reconnect. It offers automatic birthday reminders and syncs across your devices.

**Highlights:** Customizable contact reminders, Recurring and custom reminder intervals, Automatic birthday/anniversary alerts, Upcoming catchups grid, Unread indicators, Contact information sync, Cloud syncing across devices

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gracious Tip | $0.99 | one-time |
| Generous Tip | $1.99 | one-time |
| Gratuitous Tip | $4.99 | one-time |


### Kachu

[App page](https://appshunter.io/ios/app/kachu-plan-live-remember/id1507148368)

**In-app purchases:** none


## Frequently asked questions

### Is CatchUp free?

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

### Is Kachu free?

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

### Do CatchUp or Kachu have ads?

Neither CatchUp nor Kachu shows ads.

### Which is updated more often, CatchUp or Kachu?

CatchUp ships an update every 2 months, and Kachu every 2 weeks. Most recently, CatchUp was updated on October 7, 2026 and Kachu on October 9, 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.*