# ASTRU vs Shadow Slip

The clearest difference is in-app purchases: Shadow Slip at none against ASTRU's 1. Shadow Slip also leads on update cadence (daily vs every 5 days). ASTRU's advantage is iOS requirement (12.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. ASTRU sells 1 one-off in-app purchase. Shadow Slip asks for nothing beyond the download.

ASTRU ships an update every 5 days, Shadow Slip daily. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ASTRU | Shadow Slip |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/astru/id6467688328/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 102 MB | 4 MB |
| Requires iOS | **12.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mohamed Elmejrab](https://appshunter.io/developer/1551548399) | [Ashish Kumar Mohanty](https://appshunter.io/developer/1891638762) |

## What reviewers say

### ASTRU

[App page](https://appshunter.io/ios/app/astru/id6467688328)

A physics-based puzzle game where players must guide an object to a target using celestial forces. Navigate through levels with unique gravitational and orbital mechanics to achieve accuracy and creativity.

**Highlights:** Celestial force mechanics, Physics-based puzzles, Orbital objects, Target-based levels, Creative problem-solving

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Lives | $1.99 | one-time |


### Shadow Slip

[App page](https://appshunter.io/ios/app/shadow-slip/id6762110664)

**In-app purchases:** none


## Frequently asked questions

### Is ASTRU free?

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

### Is Shadow Slip free?

Shadow Slip is free to download, with no in-app purchases.

### Do ASTRU or Shadow Slip have ads?

Neither ASTRU nor Shadow Slip shows ads.

### Which is updated more often, ASTRU or Shadow Slip?

ASTRU ships an update every 5 days, and Shadow Slip daily. Most recently, ASTRU was updated on October 30, 2026 and Shadow Slip on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*