# United Numbers vs Planet Explorers

The clearest difference is price: Planet Explorers at Free against United Numbers's $0.99. Planet Explorers also leads on update cadence (every 5 days vs every 12 months). United Numbers's advantage is iOS requirement (15.2 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

Planet Explorers is free to download; United Numbers costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

United Numbers ships an update every 12 months, Planet Explorers every 5 days. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | United Numbers | Planet Explorers |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/planet-explorers/id6747460400/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 days** |
| Monetization | — | Free |
| Size | 5 MB | 225 MB |
| Requires iOS | **15.2** | 26.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Hoppermit Ltd](https://appshunter.io/developer/952035882) | [Quantribution LLC](https://appshunter.io/developer/1773550132) |

## What reviewers say

### United Numbers

[App page](https://appshunter.io/ios/app/united-numbers/id1534279732)

**In-app purchases:** none


### Planet Explorers

[App page](https://appshunter.io/ios/app/planet-explorers/id6747460400)

Embark on AI-generated space expeditions to unique planets. Manage your crew, document discoveries, and explore offline. Requires Apple Intelligence on supported devices.

**Highlights:** AI-crafted planets, Offline exploration, Crew management, Discovery journaling, Mission generation

**In-app purchases:** none


## Frequently asked questions

### Is United Numbers free?

United Numbers costs $0.99, with no in-app purchases.

### Is Planet Explorers free?

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

### Do United Numbers or Planet Explorers have ads?

Neither United Numbers nor Planet Explorers shows ads.

### Which is updated more often, United Numbers or Planet Explorers?

United Numbers ships an update every 12 months, and Planet Explorers every 5 days. Most recently, United Numbers was updated on October 3, 2026 and Planet Explorers on October 10, 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.*