# blukii Radar vs CALEFY

The clearest difference is update cadence: CALEFY at every 2 weeks against blukii Radar's every 4 months. blukii Radar's advantage is iOS requirement (8.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

blukii Radar ships an update every 4 months, CALEFY every 2 weeks. The most recent releases landed on October 26, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | blukii Radar | CALEFY |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 54 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [hard & softWERK GmbH](https://appshunter.io/developer/1492288613) | [Calefy GmbH & Co. KG](https://appshunter.io/developer/1573214982) |

## What reviewers say

### blukii Radar

[App page](https://appshunter.io/ios/app/blukii-radar/id990248389)

**In-app purchases:** none


### CALEFY

[App page](https://appshunter.io/ios/app/calefy/id1573214980)

This app revolutionizes social planning by allowing users to share events with friends, family, or even public figures. Easily see what others are doing and join events, or push your own events to followers. Connect and coordinate plans without endless back-and-forth messaging.

**Highlights:** Connect with friends, family, and public figures, Share events and see others' availability, Create and join events easily, Generate followers and push events, Organize contacts into private groups, Intuitive calendar design

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is blukii Radar free?

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

### Is CALEFY free?

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

### Do blukii Radar or CALEFY have ads?

Neither blukii Radar nor CALEFY shows ads.

### Which is updated more often, blukii Radar or CALEFY?

blukii Radar ships an update every 4 months, and CALEFY every 2 weeks. Most recently, blukii Radar was updated on October 26, 2026 and CALEFY on October 16, 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.*