# Only One vs MegaSmol

The clearest difference is price: MegaSmol at Free against Only One's $0.99. MegaSmol also leads on update cadence (every 9 days vs every 39 months). Only One's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

MegaSmol is free to download; Only One costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Only One ships an update every 39 months, MegaSmol every 9 days. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Only One | MegaSmol |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/only-one-a-logic-puzzle/id1619099640/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 39 months | **Every 9 days** |
| Monetization | Paid | — |
| Size | 65 MB | 31 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Kofi Austin](https://appshunter.io/developer/1495016623) | [Hardeep Dhillon](https://appshunter.io/developer/1895004208) |

## What reviewers say

### Only One

[App page](https://appshunter.io/ios/app/only-one-a-logic-puzzle/id1619099640)

This is a minimalist logic puzzle game where each level requires you to find a unique solution related to the number one. Explore diverse puzzles and receive hints if you get stuck for over 45 seconds.

**Highlights:** Minimalist logic puzzles, Unique solutions per level, Theme based on the number one, Variety of fun puzzles, In-game hints after 45 seconds

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

**In-app purchases:** none


### MegaSmol

[App page](https://appshunter.io/ios/app/megasmol/id6789178089)

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

**In-app purchases:** none


## Frequently asked questions

### Is Only One free?

Only One costs $0.99, with no in-app purchases.

### Is MegaSmol free?

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

### Do Only One or MegaSmol have ads?

MegaSmol shows ads; Only One does not.

### Which is updated more often, Only One or MegaSmol?

Only One ships an update every 39 months, and MegaSmol every 9 days. Most recently, Only One was updated on October 1, 2026 and MegaSmol on October 8, 2026.

---

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