# One Square at a time vs Brain Drop

The clearest difference is iOS requirement: Brain Drop at 15.0 against One Square at a time's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. One Square at a time sells 1 one-off in-app purchase and Brain Drop sells 5 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

One Square at a time ships an update every 9 days, Brain Drop every 5 days. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | One Square at a time | Brain Drop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/one-square-at-a-time/id6781999662/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 52 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Last Man Works](https://appshunter.io/developer/1761158162) | [Florian Ersek](https://appshunter.io/developer/6790515663) |

## What reviewers say

### One Square at a time

[App page](https://appshunter.io/ios/app/one-square-at-a-time/id6781999662)

Navigate a grid, outsmarting enemies with unique movement patterns. Survive as long as possible in this minimalist arcade puzzle. Unlock Endless Mode, tackle challenging achievements, and compete on global leaderboards.

**Highlights:** Outsmart enemies with distinct movement patterns, Unlock Endless Mode at Level 100, Risk Hardcore Mode, Compete on global leaderboards, Master challenging achievements, Play online or offline, Accessibility symbols for colorblind players

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Continue (x3) | $0.99 | one-time |


### Brain Drop

[App page](https://appshunter.io/ios/app/brain-drop/id6790515661)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Monthly | $7.99 | per month |
| Premium - Yearly | $79.00 | per year |
| 50 Duels | $0.99 | one-time |
| 200 Duels | $2.99 | one-time |
| 500 Duels | $5.99 | one-time |


## Frequently asked questions

### Is One Square at a time free?

One Square at a time is free to download, with in-app purchases available.

### Is Brain Drop free?

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

### Do One Square at a time or Brain Drop have ads?

Both One Square at a time and Brain Drop show ads.

### Which is updated more often, One Square at a time or Brain Drop?

One Square at a time ships an update every 9 days, and Brain Drop every 5 days. Most recently, One Square at a time was updated on October 16, 2026 and Brain Drop on October 25, 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.*