# What's Up? vs Interesting Numbers

The clearest difference is rating: Interesting Numbers at 5.0 against What's Up?'s 4.2. Interesting Numbers also leads on review sentiment (100% vs 58%) and update cadence (monthly vs every 3 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Interesting Numbers holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 9 and 4 respectively. Written reviews point the same way: 58% of What's Up?'s written reviews are positive against 100% of Interesting Numbers's.

What's Up? ships an update every 3 months, Interesting Numbers monthly. The most recent releases landed on October 29, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | What's Up? | Interesting Numbers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (9 ratings)](https://appshunter.io/ios/app/whats-up/id393023070/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/interesting-numbers/id1544668338/reviews)** |
| Number of ratings | **9** | 4 |
| Positive reviews | 57.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 49 MB | 121 MB |
| Requires iOS | 12.5 | **11.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [John Kennedy](https://appshunter.io/developer/284943103) | [Yan Xu](https://appshunter.io/developer/1503643654) |

## 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


### Interesting Numbers

[App page](https://appshunter.io/ios/app/interesting-numbers/id1544668338)

This educational game helps young children learn numbers through interactive activities. It features colorful graphics, cheerful music, and simple controls, with options to switch between English, Chinese, and Japanese languages. The app includes sections for reading, finding, and counting numbers within various ranges.

**Highlights:** Learn numbers up to 100, Interactive counting activities, Number pronunciation, Multiple language support (English, Chinese, Japanese), Childlike graphics and music, Themed sections (Easter, Ocean)

**Features:** macOS Compatibility

**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 Interesting Numbers free?

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

### Which has better reviews, What's Up? or Interesting Numbers?

Interesting Numbers is rated higher. What's Up? averages 4.2 out of 5 from 9 ratings, while Interesting Numbers averages 5.0 from 4 ratings.

### Do What's Up? or Interesting Numbers have ads?

Neither What's Up? nor Interesting Numbers shows ads.

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

What's Up? ships an update every 3 months, and Interesting Numbers monthly. Most recently, What's Up? was updated on October 29, 2026 and Interesting Numbers on October 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.*