# Challenge Go vs Astro Invaders

The clearest difference is in-app purchases: Challenge Go at none against Astro Invaders's 6. Challenge Go also leads on ads (none vs shown) and iOS requirement (10 vs 13.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Astro Invaders sells 6 one-off in-app purchases. Challenge Go asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Challenge Go against 5.0 for Astro Invaders. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Challenge Go ships an update every 10 days, Astro Invaders weekly. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Challenge Go | Astro Invaders |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/challenge-go/id6739545195/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/astro-invaders/id6751432275/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 188 MB | 110 MB |
| Requires iOS | **10** | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Connor Hawke](https://appshunter.io/developer/1586189635) | [Sang Yoon Lee](https://appshunter.io/developer/1639696646) |

## What reviewers say

### Challenge Go

[App page](https://appshunter.io/ios/app/challenge-go/id6739545195)

Navigate diverse environments, from forests to space, by fighting through levels to reach the portal. Utilize items to overcome obstacles and progress through 100 challenging stages.

**Highlights:** Tile-based action/puzzle gameplay, Diverse environments (forests, space, ruins), Item usage for progression, 100 challenging levels, Portal-based level progression

**Features:** Vision Pro support

**In-app purchases:** none


### Astro Invaders

[App page](https://appshunter.io/ios/app/astro-invaders/id6751432275)

Experience an intense arcade space battle with simple controls. Upgrade your ship to rapidly grow stronger and defeat challenging bosses. Uncover a lasting story through 21 boss encounters.

**Highlights:** Simple movement and shooting controls, Intense space battles, Ship upgrades for rapid growth, 21 boss battles, Uncover a lasting story, Casual action and rail shooter mechanics

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Ad Skip | $0.99 | one-time |
| 10000 Bit Pack | $0.99 | one-time |
| Super Bit Pack | $1.99 | one-time |
| Mega Bit Pack | $2.99 | one-time |
| 50000 Bit Pack | $2.99 | one-time |
| 150000 Bit Pack | $4.99 | one-time |


## Frequently asked questions

### Is Challenge Go free?

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

### Is Astro Invaders free?

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

### Which has better reviews, Challenge Go or Astro Invaders?

Challenge Go and Astro Invaders are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Challenge Go or Astro Invaders have ads?

Astro Invaders shows ads; Challenge Go does not.

### Which is updated more often, Challenge Go or Astro Invaders?

Challenge Go ships an update every 10 days, and Astro Invaders weekly. Most recently, Challenge Go was updated on October 3, 2026 and Astro Invaders on October 2, 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.*