# Sandworms vs X

The clearest difference is price: X at Free against Sandworms's $1.99. X also leads on update cadence (every 2 weeks vs every 34 months) and iOS requirement (13.0 vs 16.1). Sandworms's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

X is free to download; Sandworms costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sandworms ships an update every 34 months, X every 2 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sandworms | X |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.6 (14 ratings)](https://appshunter.io/ios/app/x-out-alien-outbreak/id6503699630/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 34 months | **Every 2 weeks** |
| Monetization | Paid | **Ad-supported** |
| Size | 37 MB | 149 MB |
| Requires iOS | 16.1 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 9+ | 9+ |
| Developer | [JS Digital Productions, Inc.](https://appshunter.io/developer/1012108950) | [PSYCRAFT GmbH](https://appshunter.io/developer/1441576670) |

## What reviewers say

### Sandworms

[App page](https://appshunter.io/ios/app/sandworms/id533096710)

Test your survival skills in this engaging game where you must evade dangerous creatures. Challenge yourself and see how long you can last against the relentless threat. It's a fun experience suitable for all ages.

**Highlights:** Survival gameplay, Family-friendly fun, Challenging to master, Engaging gameplay loop

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### X

[App page](https://appshunter.io/ios/app/x-out-alien-outbreak/id6503699630)

Escape a secret laboratory as a powerful alien in this fast-paced jump'n'run game. Unleash supernatural upgrades and race against time to reach the top. Can you break free before the humans recapture you?

**Highlights:** Continuous 1-100 level challenge, Supernatural alien upgrades, Escape the laboratory, Tilt controls for movement, Tap to jump or grab

**In-app purchases:** none


## Frequently asked questions

### Is Sandworms free?

Sandworms costs $1.99, with no in-app purchases.

### Is X free?

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

### Do Sandworms or X have ads?

X shows ads; Sandworms does not.

### Which is updated more often, Sandworms or X?

Sandworms ships an update every 34 months, and X every 2 weeks. Most recently, Sandworms was updated on October 23, 2026 and X on October 24, 2026.

---

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