# Slithering Assassin vs Park Ultimate 3D

The clearest difference is ads: Slithering Assassin at none against Park Ultimate 3D's shown. Slithering Assassin also leads on iOS requirement (10.0 vs 15.0). Park Ultimate 3D's advantage is update cadence (every 3 months vs every 16 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Slithering Assassin sells 3 one-off in-app purchases and Park Ultimate 3D sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Slithering Assassin ships an update every 16 months, Park Ultimate 3D every 3 months. The most recent releases landed on October 4, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Slithering Assassin | Park Ultimate 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (6 ratings)](https://appshunter.io/ios/app/park-ultimate-3d/id1521934816/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 16 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 12 MB | 296 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Armchair Engineering](https://appshunter.io/developer/398901339) | [OVIVO Games](https://appshunter.io/developer/1482405708) |

## What reviewers say

### Slithering Assassin

[App page](https://appshunter.io/ios/app/slithering-assassin/id1013904672)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Upgrade - Reduced Price | $0.99 | one-time |
| Full Upgrade - Regular Price | $1.99 | one-time |
| Full Upgrade - Hero Price | $3.99 | one-time |


### Park Ultimate 3D

[App page](https://appshunter.io/ios/app/park-ultimate-3d/id1521934816)

Guide vehicles to their parking spots in this challenging puzzle game. Carefully plan the order of movement to clear each unique level and overcome increasingly complex scenarios. Experience simple yet addictive gameplay that will keep you hooked.

**Highlights:** Numerous unique levels, Challenging puzzles, Simple gameplay, Addictive mechanics, Strategic vehicle parking

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads Forever | $5.49 | one-time |
| Park Pack | $5.99 | one-time |
| Park a lot | $6.99 | one-time |


## Frequently asked questions

### Is Slithering Assassin free?

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

### Is Park Ultimate 3D free?

Park Ultimate 3D is free to download, with in-app purchases available.

### Do Slithering Assassin or Park Ultimate 3D have ads?

Park Ultimate 3D shows ads; Slithering Assassin does not.

### Which is updated more often, Slithering Assassin or Park Ultimate 3D?

Slithering Assassin ships an update every 16 months, and Park Ultimate 3D every 3 months. Most recently, Slithering Assassin was updated on October 4, 2026 and Park Ultimate 3D on October 11, 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.*