# Innerstellar vs Block Master 3D

The clearest difference is in-app purchases: Block Master 3D at none against Innerstellar's 1. Innerstellar's advantage is update cadence (every 6 months vs every 67 months) and iOS requirement (7.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Innerstellar sells 1 one-off in-app purchase. Block Master 3D asks for nothing beyond the download.

Innerstellar ships an update every 6 months, Block Master 3D every 67 months. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Innerstellar | Block Master 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (10 ratings)](https://appshunter.io/ios/app/innerstellar/id984387480/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 61.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 67 months |
| Monetization | Free with in-app purchases | — |
| Size | 64 MB | 55 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GalacticThumb Inc.](https://appshunter.io/developer/955128546) | [App Swim LLC](https://appshunter.io/developer/1475582966) |

## What reviewers say

### Innerstellar

[App page](https://appshunter.io/ios/app/innerstellar/id984387480)

Navigate through a cosmic landscape, strategically avoiding colored portals while seeking out black portals to advance. Experience a unique musical journey with a soundtrack by AIRGLOW.

**Highlights:** Portal avoidance gameplay, Black portal collection, Cosmic travel theme, Original soundtrack by AIRGLOW

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Block Master 3D

[App page](https://appshunter.io/ios/app/block-master-3d/id1527561565)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Innerstellar free?

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

### Is Block Master 3D free?

Block Master 3D is free to download, with no in-app purchases.

### Do Innerstellar or Block Master 3D have ads?

Neither Innerstellar nor Block Master 3D shows ads.

### Which is updated more often, Innerstellar or Block Master 3D?

Innerstellar ships an update every 6 months, and Block Master 3D every 67 months. Most recently, Innerstellar was updated on October 20, 2026 and Block Master 3D on October 19, 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.*