# What's Up? vs Henge

The clearest difference is in-app purchases: What's Up? at none against Henge's 1. What's Up? also leads on device support (4 vs 2) and iOS requirement (12.5 vs 17.0). Henge's advantage is update cadence (every 10 days vs every 3 months). On price and ads there is nothing between them.

Both are free to download. Henge sells 1 one-off in-app purchase. What's Up? asks for nothing beyond the download.

What's Up? ships an update every 3 months, Henge every 10 days. The most recent releases landed on October 23, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | What's Up? | Henge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (8 ratings)](https://appshunter.io/ios/app/whats-up/id393023070/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 57.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 49 MB | 11 MB |
| Requires iOS | **12.5** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Kennedy](https://appshunter.io/developer/284943103) | [river.io llc](https://appshunter.io/developer/452867373) |

## 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


### Henge

[App page](https://appshunter.io/ios/app/henge/id6798126839)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The full version | $19.99 | one-time |


## Frequently asked questions

### Is What's Up? free?

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

### Is Henge free?

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

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

Neither What's Up? nor Henge shows ads.

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

What's Up? ships an update every 3 months, and Henge every 10 days. Most recently, What's Up? was updated on October 23, 2026 and Henge on October 18, 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.*