# O vs X Duel vs The SpinFall

The clearest difference is price: O vs X Duel at Free against The SpinFall's $1.99. O vs X Duel also leads on iOS requirement (13.0 vs 15.6). The SpinFall's advantage is ads (none vs shown) and update cadence (daily vs weekly). On in-app purchases and device support there is nothing between them.

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

O vs X Duel ships an update weekly, The SpinFall daily. The most recent releases landed on October 30, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | O vs X Duel | The SpinFall |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Daily** |
| Monetization | — | Paid |
| Size | 115 MB | 11 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cheng-Kai Wu](https://appshunter.io/developer/1824246427) | [Rodrigo Barbosa Pereira](https://appshunter.io/developer/1818169459) |

## What reviewers say

### O vs X Duel

[App page](https://appshunter.io/ios/app/o-vs-x-duel/id6748151029)

**Features:** macOS Compatibility

**In-app purchases:** none


### The SpinFall

[App page](https://appshunter.io/ios/app/the-spinfall/id6751965268)

A unique puzzle game where you rotate the world to create new paths and find the exit. It offers challenging logic puzzles with increasing difficulty and innovative gameplay that breaks expectations.

**Highlights:** World rotation mechanic, Logic and reasoning challenges, Increasing difficulty, Innovative gameplay, Unique core mechanic

**In-app purchases:** none


## Frequently asked questions

### Is O vs X Duel free?

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

### Is The SpinFall free?

The SpinFall costs $1.99, with no in-app purchases.

### Do O vs X Duel or The SpinFall have ads?

O vs X Duel shows ads; The SpinFall does not.

### Which is updated more often, O vs X Duel or The SpinFall?

O vs X Duel ships an update weekly, and The SpinFall daily. Most recently, O vs X Duel was updated on October 30, 2026 and The SpinFall on September 25, 2026.

---

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