# What's Up? vs StarPromenade

The clearest difference is price: What's Up? at Free against StarPromenade's $0.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

What's Up? is free to download; StarPromenade costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

What's Up? ships an update every 3 months, StarPromenade every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | What's Up? | StarPromenade |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.2 (9 ratings)](https://appshunter.io/ios/app/whats-up/id393023070/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 57.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 49 MB | 2 MB |
| Requires iOS | **12.5** | 13.5 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [John Kennedy](https://appshunter.io/developer/284943103) | [Takao Akatsu](https://appshunter.io/developer/1530946331) |

## What reviewers say

### What's Up?

[App page](https://appshunter.io/ios/app/whats-up/id393023070)

Discover celestial bodies visible in the night sky with this intuitive app. Easily track planets, the Sun, and Moon, and forecast their appearance. Access detailed information and moon phases, with support for the Southern Hemisphere.

**Highlights:** Simple sky grid display, Effortless navigation, Time-bar functionality, Comprehensive celestial information, Observation insights, Moon phases, Wikipedia links

**Features:** macOS Compatibility

**In-app purchases:** none


### StarPromenade

[App page](https://appshunter.io/ios/app/starpromenade/id1548250534)

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

**In-app purchases:** none


## Frequently asked questions

### Is What's Up? free?

What's Up? is free to download, with no in-app purchases.

### Is StarPromenade free?

StarPromenade costs $0.99, with no in-app purchases.

### Do What's Up? or StarPromenade have ads?

Neither What's Up? nor StarPromenade shows ads.

### Which is updated more often, What's Up? or StarPromenade?

What's Up? ships an update every 3 months, and StarPromenade every 2 months. Most recently, What's Up? was updated on November 1, 2026 and StarPromenade on November 3, 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.*